Second antennae. Medical search. Frequent questions

But communicating with satellites means carrying a big Yagi antenna around. (makezine.com)
So, I decided to use my fashion sewing skills to make a collapsible fabric Yagi antenna that's much easier to transport. (makezine.com)
A similar concept would be to simulate or measure the physical forces between the parallel dipole elements of a Yagi antenna. (physicsforums.com)
Machine learning-based technique for resonance and directivity prediction of UMTS LTE band quasi Yagi antenna. (bvsalud.org)
In this study, we have presented our findings on the deployment of a machine learning (ML) technique to enhance the performance of LTE applications employing quasi-Yagi-Uda antennas at 2100 MHz UMTS band. (bvsalud.org)
The RLC circuit, sometimes referred to as the lumped element model, exhibits characteristics that are sufficiently similar to those of the proposed Yagi antenna. (bvsalud.org)

These chip antennas feature a wide operating frequency range, high gain, wide bandwidth, and low return loss in a small form factor. (mouser.com)

Our inventory consists of aircraft horn antennas as well as commercial antennas such as the recently added communications antenna and fixed wireless broadband transverter , both manufactured by Watkins Johnson. (surplussales.com)
When broadcast TV switched to digital, we tried a few different commercial antennas, but none of them pulled in all of the local stations. (makezine.com)

An intercomparison of power gain for W-band (75 GHz to 110 GHz) standard horn antennas has been performed among KRISS, NPL and NIST. (nist.gov)

The factor by which a radio antenna of a given shape focusses the emitted power into a smaller beamwidth compared with an omnidirectional antenna. (foldoc.org)
Therefore, instead of omnidirectional antenna, multielement antenna is better to optimize the coverage area. (hindawi.com)

SCALE.ZIP - a software utility to change the frequency of YW antenna models while compensating for element diameters and taper. (arrl.org)
This reference design uses IP and Interface blocks to build a 2-channel, 1-antenna, single-frequency modulation DDC for use in an IF modem design compatible with the WiMAX standard. (intel.com)
Our in-house antenna testing facilities, covering a broad frequency range from 750 MHz to 110 GHz, are available to users from industry and research organisations. (www.csiro.au)
All 12 antennas in this new line feature popular IPEX-style connectors terminated to 1.13 coax cable, 2.4 GHz, 5 GHz, 2.4/5 GHz, 700/2700 MHz and 824-960/1710-1990 MHz frequency options with gain ranging from 0 to 3 dBi. (prnewswire.com)
New antenna applications foster more and more the integration as well as the expansion of the frequency range. (ptb.de)
The working group 2.21 develops measurement and calibration capabilities for antennas in a wide frequency range between 30 MHz and 325 GHz. (ptb.de)
The park Safety Office requested an evaluation of potential radio frequency (RF) exposures from a cell-phone antenna base station. (cdc.gov)

The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pair of interacting galaxies in the constellation Corvus. (wikipedia.org)
The Antennae Galaxies are undergoing a galactic collision. (wikipedia.org)
Located in the NGC 4038 group with five other galaxies, these two galaxies are known as the Antennae Galaxies because the two long tails of stars, gas and dust ejected from the galaxies as a result of the collision resemble an insect's antennae. (wikipedia.org)
This collision and merger sequence (the Toomre sequence) for galaxy evolution was developed in part by successfully modeling the Antennae Galaxies' "antennae" in particular. (wikipedia.org)
The Antennae galaxies also contain a relatively young collection of massive globular clusters that were possibly formed as a result of the collision between the two galaxies. (wikipedia.org)
About 1.2 billion years ago, the Antennae were two separate galaxies. (wikipedia.org)
600 million years ago, the Antennae passed through each other, looking like the Mice Galaxies. (wikipedia.org)
Today the two streamers of ejected stars extend far beyond the original galaxies, resulting in the antennae shape. (wikipedia.org)
Observations and simulations of colliding galaxies (e.g., by Alar Toomre) suggest that the Antennae Galaxies will eventually form an elliptical galaxy. (wikipedia.org)
page needed] Areas containing large amounts of neon (Ne), magnesium (Mg), and silicon (Si) were found when the Chandra X-ray Observatory analyzed the Antennae Galaxies. (wikipedia.org)
Wikimedia Commons has media related to Antennae Galaxies. (wikipedia.org)
The Antennae galaxies (NGC 4038/39) are the nearest and best-studied major merger of two gas-rich spirals in the local Universe. (uni-muenchen.de)
To this end, we perform an extended parameter search in order to obtain a suitable match to the Antennae galaxies. (uni-muenchen.de)
Using these new initial conditions, we are able to present the first high-resolution numerical simulations that successfully match the detailed large- and small-scale morphology and kinematics of the Antennae galaxies. (uni-muenchen.de)
This provides strong evidence for efficient, prolonged cluster disruption in the Antennae, similar to more quiescent galaxies. (uni-muenchen.de)
Within this Thesis, we present an improved numerical model for the interacting Antennae galaxies that may serve as a test-bed for further investigations of this archetypal merger. (uni-muenchen.de)
Karl, Simon (2012): The Antennae Galaxies: a key to galactic evolution. (uni-muenchen.de)

We will soon be installing an extensive ground radial system for the new antenna," Carcia said. (arrl.org)
I am working more DX now than my so called 1/2 wave no ground radial antennas ever did. (eham.net)

Finally, we address the question of whether the Antennae will evolve into a typical elliptical galaxy. (uni-muenchen.de)

At 3M, we offer solutions that help you optimize 5G antennas and assemblies. (3m.com)
Switching between the antennas makes it easy to optimize the coverage by controlling a simple circuit. (hindawi.com)

a sharply directional antenna array, consisting of one or two dipoles connected to the transmitting or receiving circuit, and several insulated dipoles all parallel and about equally spaced in a line. (dictionary.com)
Current carrying wires or antennas or dipoles? (physicsforums.com)

Spotted in the MAKE Flickr Pool , this homemade fractal antenna for digital television signals by Roy Jacobsen of Fargo, ND. (makezine.com)

What range of EM field strengths versus the mass of the wires/antennas or the mass & dipole moments? (physicsforums.com)

Together Knoll and Antenna conceived Antenna Workspaces, an innovative open plan system, which reflects Udagawa and Moeslinger's interest in functional simplicity as well as their expertise in using design as a tool of social interaction that bridges people and technology. (knoll.com)

Materials from 3M can help you blend your 5G antennas and base station assemblies into different environments by design. (3m.com)

A new side-arm atop the 120 foot tower will allow for vertical wire antennas to be hoisted to the top when the antennas are in use, accommodating the hoisting of W1AW's new 160 meter vertical antenna. (arrl.org)
I then stumbled across a MAKE video that described a DTV antenna made from coat hangers and wire screwed to a piece of scrap plywood. (makezine.com)
Only few antenna types are possible for femtocell operation, for example, planner inverted F antenna, microstrip antenna, and wire antenna [ 7 - 11 ]. (hindawi.com)
They can be simple wire antenna. (physicsforums.com)

It also focuses on the execution of microstrip antenna for multielement configuration. (hindawi.com)
In this paper, a microstrip antenna is designed for multielement antenna configuration for femtocell coverage optimization (Figure 1 ). (hindawi.com)
Multielement antenna configuration in femtocell (microstrip antenna). (hindawi.com)

The test laboratory has the instrumentation required to support research activities in microwave components, antennas, and feed systems. (www.csiro.au)
Now we will focus on how to connect a monolithic microwave integrated circuit (MMIC) radar transceiver to the antennas in a way that guarantees an efficient transfer of the signals. (renesas.com)
Your doctor will insert the microwave antenna through your urethra. (medlineplus.gov)

Integrated sub-harmonically pumped up-converter antenna for spatial power com. (slideshare.net)

This picture shows the final antenna for the Atacama Large Millimeter/submillimeter Array (ALMA) project, shortly before it was handed over to the ALMA Observatory. (eso.org)

L-com's new embedded PCB antennas with IPEX connectors are in stock and available for immediate shipment. (prnewswire.com)
Boost performance indoors or in fringe network areas by plugging this antenna into your 3G/4G/5G modem or mobile hotspot with TS-9 or SMA connectors. (netgear.com)
Four coaxial cables with RP-TNC connectors that attach to the AP's antenna connectors. (cisco.com)

A good antenna with great range helps, knowing a bit about calibration helps, but to some degree, you live where you live and line of sight to a broadcast tower isn't something you can really change. (lifehacker.com)

The antenna is designed for use in indoor or outdoor environments. (cisco.com)
Should you choose an indoor or outdoor antenna? (yahoo.com)

I can't judge the dimensions of your antenna without seeing the base. (makezine.com)

That means more antennas need to be designed to accelerate deployment, especially indoors. (3m.com)
There are a few variables here, the big one being location: Where you live will determine what kind of antenna you need and where it should be placed, indoors or outdoors. (yahoo.com)

Solutions like a transparent conductive film that allows for powerful in-building antennas to be hidden in plain sight and glass bubbles formulated with 5G-ready properties for radomes - all so you can enable stronger, more reliable signals in more locations. (3m.com)
While old analogue antennas could relied about to work in some capacity (even if that meant a fuzzy, static-filled image), digital signals are very much all (crystal clear HD image) or nothing (a choppy, pixilated still frame or just a black screen). (lifehacker.com)
Reviewers note that the shape of this antenna (circular) mean it receives better UHF signals. (lifehacker.com)

You can now design antennas that help accelerate network deployments and improve in-building coverage, all while maintaining a low visual profile. (3m.com)
Vishay's chip antennas include parts with UHF band coverage for mobile devices, as well as surface-mount, ceramic chip parts for 868 MHz, 915 MHz, 1.575 GHz, 2.4 GHz, and 5.0 GHz applications. (vishay.com)
In particular, the control of the antenna tilt angle in mobile networks provides an effective method for improving network coverage and capacity. (kth.se)
In these methods, the objective is to learn an optimal control policy, adjusting the vertical tilt of base station antennas to jointly maximize network coverage and capacity. (kth.se)
A mircostrip antenna is designed for multielement antenna coverage optimization in femtocell network. (hindawi.com)
Another coverage optimization tactic using multielement antenna with tunable attenuator is shown in [ 6 ]. (hindawi.com)
Multielement antenna in femtocell application divides the coverage area into multisections and each of the antennas occupies same portion of scanning-area. (hindawi.com)
As such, four directional antennas have the angular coverage of 90° for each of them. (hindawi.com)
This antenna is designed to improve reception and extend coverage when in buildings, vehicles, or remote sites where network coverage is sparse. (netgear.com)
The antenna provides both location-based services and Wi-Fi coverage over wide, open areas. (cisco.com)
The location array in the antenna services a wide coverage area (±55º left and right of the boresight). (cisco.com)

A tapered slot antenna, also known as a Vivaldi antenna, is useful for wide band applications. (comsol.com)

Your outdoor antenna decides to malfunction just as the action is about to reach its climax. (mippin.com)
If you own a home but it's far from broadcast towers, you may have no choice but to choose an outdoor antenna. (yahoo.com)
Bottom line: An outdoor antenna is all but guaranteed to give you the best results, but it will also require installation - including a way to run a cable from the antenna to your TV. (yahoo.com)

If you grew up with real television antenna (I did), digital promises a different experience. (lifehacker.com)

The simulation can be extended to include the antennas and, in the end, the whole PCB, and analyze the effects of material and manufacturing tolerances. (renesas.com)
The CST simulation gives the suggested antenna a reflection coefficient of -38.40 dB at 2.1 GHz and a bandwidth of 357 MHz (1.95 GHz-2.31 GHz) at a -10 dB level. (bvsalud.org)

L-com's new embedded PCB antennas are designed to directly integrate with numerous types of devices that require wireless capabilities. (prnewswire.com)

How do you magically couple 100W of TX power into your 1cm TX antenna? (physicsforums.com)

The antenna is designed for LTE Band 7 by using standard FR4 dielectric substrate. (hindawi.com)
The antenna design and substrate choice result in a flexible beam forming in femtocell application. (hindawi.com)
The antenna is made of a low- cost substrate, FR4. (bvsalud.org)

Antennas are extensively used in communication systems, remote sensing and navigation but also in wireless energy transmission and electromagnetic compatibility testing and measurement. (ptb.de)

We design and produce state-of-the-art prototypes for R&D antenna projects and then test these prototypes using our in-house facilities. (www.csiro.au)
This antenna design is based on one by Kent Britain WA5VJB [PDF link]. (makezine.com)
Antenna Design was founded in 1997 by Masamichi Udagawa, a Cranbrook Academy graduate, and Sigi Moeslinger, who holds degrees from NYU and Art Center College of Design. (knoll.com)
Antenna has been recognized with several prestigious design awards, including the National Design Award in Product Design from the Cooper-Hewitt National Design Museum. (knoll.com)
Antenna 2, the first fractal design, had eight inch elements (four inches per leg). (makezine.com)
I built one antenna using William Ruckman's design and it works. (makezine.com)
The rest of the paper is arranged as follows: antenna design in Section 2 , results in Section 3 , array configuration in femtocell in Section 4 , discussion in Section 5 , and conclusion in Section 6 . (hindawi.com)
Therefore, one of the key challenges in the design of a radar module will be maintaining high signal integrity and low losses throughout the entire RF signal path between the MMIC and the selected antennas. (renesas.com)

8 Ways to Boost Outdoor TV Antenna Signal Homemade? (mippin.com)

Zebra's extensive range of RAIN RFID readers, antennas, and printers give you consistent and accurate tracking. (zebra.com)
It has a shorter range than other antennas, but good ratings, and is much less expensive. (lifehacker.com)
These new embedded PCB antennas were developed to address a wide range of applications including WiFi, cellular, IMS and IoT where just about any device that requires wireless connectivity can benefit. (prnewswire.com)
Due to their proximity the Antennae are extremely well sampled by modern high-resolution observations over an enormous wavelength range, from radio to X-ray. (uni-muenchen.de)
Both, the increasing importance of interoperability aspects and the need to decrease energy consumption in complex systems, require the accurate knowledge of antenna factors for a wide range of antenna types. (ptb.de)

Here are the results of using a 43' ZeroFive antenna on St. Helena island for my 11 month DXpedition as ZD7X. (eham.net)
The performance of the proposed antenna in the femtocell application is discussed along with results. (hindawi.com)
As next steps, we plan to investigate the extended hot gas component found in X-ray observations of the Antennae, and test our present results in a code comparison project. (uni-muenchen.de)
The proposed antenna is a strong candidate for the intended UMTS LTE applications, as shown by the modeling results from CST and ADS, as well as the measured and forecasted outcomes from machine learning techniques . (bvsalud.org)

According to Allison, the SteppIR antenna made it through the winter in good shape and all mounting bolts where checked and tightened. (arrl.org)
Designed to evaluate the ceramic-type chip antennas made using LTCC technology. (mouser.com)
Every antenna is individually made by him with strict attention to detail and not in some factory by a foreigner making a couple bucks an hour who doesn't know a vertical antenna from a fishing pole. (eham.net)

The performance of the antenna is simulated in a 4-element femtocell like assembly. (hindawi.com)
At millimeter-wave (mmWave) frequencies, any transitions between two different transmission lines, on the chip, board, or antenna, can have a significant impact on the performance of the overall system. (renesas.com)
A contract to develop new antenna configurations to improve performance and utility of through-the-earth (TTE) communications systems once deployed in underground coal mines. (cdc.gov)

Abracon Chip Antennas are ceramic-type antennas using Low-Temperature Co-fired Ceramic (LTCC) technology. (mouser.com)
The chip antennas operate at -40°C to +85°C and come in a low-profile compact package. (mouser.com)
The Abracon Chip Antennas readily apply to IoT, Wi-FI, and ISM applications. (mouser.com)
High-quality, low-loss materials should be used for manufacturing the board, to reduce the losses on the transmission lines between the chip and the antenna. (renesas.com)

Inside the femtocell, the available space is limited for antenna patterns. (hindawi.com)

and 3) obtain Antenna Zoning for the Radio Amateur. (arrl.org)
The book, Antenna Zoning for the Radio Amateur, is filled with excellent ideas on how to prepare for, and make your presentation and application to a local zoning board. (arrl.org)
Radio waves are received on antennas, for which when the signal in question comes over a long distance a big reflector is needed. (hackaday.com)
On the scale of home-built amateur radio, this will be a monstrous antenna. (hackaday.com)

The form of the antenna is the crucial thing, and the shape is three perpendicular panels as seen in the image and video. (hackaday.com)

I also wanted to get away from the bolted-together assembly of antenna 2 and give the whole thing a stable base it could stand on. (makezine.com)
This arrow is present on the top (as shown), base, and the sides of the antenna. (cisco.com)
This conclusion is based on the fact that: (1) all the measurements were well below any RF exposure limits for the general population, (2) the antenna height (70 feet above grade) prevents accidental exposures within a few feet of the antenna, and (3) the geographic layout provides sufficient distance between the base-station antennas and housing units. (cdc.gov)

The antenna is a four-port polarization-diverse patch array that operates over the 2.4-GHz and 5-GHz Wi-Fi bands. (cisco.com)

3M™ Transparent Conductor Film uses proprietary technology to help you enable transparent antenna designs with 50W continuous power. (3m.com)
Since a power amplifier for each antenna will be costly for commercial use, a common power amplifier with digital actuator for each branch is conventional. (hindawi.com)

Pin the 24″ wide strap from step 2 to mark where the antenna elements will go. (makezine.com)

AIR-ANT25-LOC-02= directional hyperlocation antenna with directional WiFi, with five attached cables. (cisco.com)

They are an excellent choice for antenna splits, frames and other parts requiring thin, stiff characteristics. (3m.com)
Surplus Sales offers a large selection of new and hard-to-find antennas, parts and accessories. (surplussales.com)
See the Parts of the Antenna . (cisco.com)

From every review, Winegard seems to own the antenna space, and two of their models top the recommendations. (lifehacker.com)
By embedding these PCB antennas directly into a device, the need for an external antenna is eliminated, saving money, time and valuable space. (prnewswire.com)

When Comcast almost doubled my rate a few years ago I decided it was time to ditch the box and try something else, which led me to digital antennas. (lifehacker.com)
The premise of a digital antenna sounds great. (lifehacker.com)
Do digital TV antennas really work? (lifehacker.com)
Most people who use digital antennas experience varying levels of success. (lifehacker.com)
Let's take a look at our top picks for some of the best digital antennas that bring free TV channels and local programming into your home. (yahoo.com)
What kind of digital TV antenna do you need? (yahoo.com)
Chances are excellent it has a built-in digital tuner, meaning all you need to do is supply an antenna. (yahoo.com)

The antenna ships with an articulating mount for use on flat surfaces and masts and is adjustable in both the horizontal and vertical planes. (cisco.com)

I just added the new 66 foot Vertical from Zerofive antennas to my station. (eham.net)

IRVINE, Calif. , April 14, 2020 /PRNewswire/ -- L-com, an Infinite Electronics brand and a preferred manufacturer of wired and wireless connectivity products, announced today that they have released a series of embedded PCB antennas designed to integrate into self-contained wireless equipment developed by many OEMs and ODMs. (prnewswire.com)
These antennas offer both integration and seamless wireless connectivity," said Mark Miller , Product Line Manager. (prnewswire.com)

Photosynthetic antenna systems enable organisms harvesting light and transfer the energy to the photosynthetic reaction centre, where the conversion to chemical energy takes place. (lu.se)
One of the most complex antenna systems, the chlorosome, found in the photosynthetic green sulfur bacterium Chlorobaculum (Cba. (lu.se)

Sometimes Matt Strelow, KC1XX, and Andrew Toth of XX Towers will also do some antenna work during the inspections. (arrl.org)
What's clear is that there are a few factors required if you want your antenna to actually work reliably. (lifehacker.com)
While picking up my antenna at Tom's place I got a chance to talk with him and watch him work. (eham.net)
Will Antennas Work on Old TVs? (mippin.com)
When it comes to analog TVs - you'll be surprised to learn that antennas can work on old TV sets. (mippin.com)
How does TV Antenna Work? (mippin.com)
Willing to know about how does Tv antenna work? (mippin.com)

Anatomy24

Organisms64

Chemicals and Drugs56

Analytical, Diagnostic and Therapeutic Techniques and Equipment30

Psychiatry and Psychology11

Phenomena and Processes62

Disciplines and Occupations6

Technology, Industry, Agriculture5

Information Science12

Health Care5

Yagi6

Operating frequency range1

Commercial antennas2

Horn antennas1

Omnidirectional antenna2

Frequency7

Galaxies17

Ground radial2

Elliptical galaxy1

Optimize2

Dipoles2

Fractal antenna1

Dipole1

Workspaces1

Assemblies1

Wire4

Microstrip3

Microwave3

Spatial1

ALMA1

Connectors3

Calibration1

Indoor or outdoor2

Dimensions1

Indoors2

Signals3

Coverage11

Slot antenna1

Outdoor antenna3

Television antenna1

Simulation2

Capabilities1

100W1

Substrate3

Measurement1

Design8

Homemade1

Range5

Results4

Made3

Performance3

Chip4

Patterns1

Radio4

Shape1

Base3

Bands1

Power2

Wide1

Cables1

Parts3

Space2

Digital7

Horizontal1

Vertical1

Connectivity2

Systems2

Work7