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  • ASCA
  • The in-flight calibration of the ASCA instruments is an on-going effort. (nasa.gov)
  • Since the ASCA database is huge, Guest Observers who, during the course of their analysis come across additional problems or anything that may contribute to our current knowledge of the calibration are encouraged to notify the ASCA GOF by using our Feedback form . (nasa.gov)
  • Files and information regarding the ASCA calibrations are kept in the HEASARC Calibration Database . (nasa.gov)
  • On this page we highlight some calibration files and articles that are most commonly required for ASCA analysis. (nasa.gov)
  • The latest Response Matrices are available from the ASCA calibration database . (nasa.gov)
  • sensor
  • Spectral data acquired by satellite sensors are influenced by a number of factors, such as atmospheric absorption and scattering, sensor-target-illumination geometry, sensor calibration, and image data processing procedures, which tend to change through times (Teillet, 1986). (wikipedia.org)
  • In more general use, a calibration curve is a curve or table for a measuring instrument which measures some parameter indirectly, giving values for the desired quantity as a function of values of sensor output. (wikipedia.org)
  • procedure
  • M i = 1 Z a c Z i j Z i k Z j k {\displaystyle M_{i}={\sqrt {{\frac {1}{Z_{ac}}}{\frac {Z_{ij}Z_{ik}}{Z_{jk}}}}}} The electrical transfer impedance is determined during the calibration procedure by measuring the current and voltage and the acoustic transfer impedance depends on the acoustical coupler. (wikipedia.org)
  • Although oil and gas equipment calibration can be a time-consuming and costly business, test and process equipment requires this procedure for several reasons. (intertek.com)
  • Markers
  • The Corona Satellite Calibration Targets are 272 concrete markers in and around Casa Grande, Arizona that helped to calibrate camera photos on the Corona spy satellite program. (wikipedia.org)
  • Remaining Corona Satellite Calibration Targets - Google map of 145 remaining markers which formed a grid, used from 1959 to 1972 to calibrate the Corona spy satellite cameras, by Andrei Conovaloff, 2018. (wikipedia.org)
  • data
  • The calibration problem in regression is the use of known data on the observed relationship between a dependent variable and an independent variable to make estimates of other values of the independent variable from new observations of the dependent variable. (wikipedia.org)
  • Calibration objects contain an image's spatial and density calibration data. (nasa.gov)
  • Video calibration software: software that receives the signals from the color analyzer and displays the data in numerical format which is interpreted in a human interface in the form of real-time charts and graphs. (wikipedia.org)
  • When the calibration is completed, the trimmed DAC-element is switched back into the DAC-array and continues to take part in the data processing. (springer.com)
  • All calibrations are traceable to NIST standards (National Institute of Standards and Testing - the U.S. Government approved source for calibration data) if performed in San Diego, or to the UK National Standards if performed at our Certified Repair Depot in Scotland. (skf.com)
  • Note that the easiest way to access calibration data for NuSTAR or other HEASARC-supported missions is via remote access . (nasa.gov)
  • The OTFC system currently provides data calibration for the Wide Field and Planetary Camera 2 (WFPC2) and Space Telescope Imaging Spectrograph (STIS). (wikipedia.org)
  • The system can also offer more calibration steps than were available when the data was first released and can implement improved pipeline software. (wikipedia.org)
  • Frequently, users must recalibrate the data at their home sites to take advantage of better calibration files or software. (wikipedia.org)
  • distortion
  • Motions General Motion Purely Rotating Cameras Planar Motion Degenerate Motions Scene Geometry General Scenes with Depth Relief Planar Scenes Weak Perspective and Orthographic Imagers Calibration Priors for Real Sensors Nonlinear optical distortion Using the Kruppa equations. (wikipedia.org)
  • Our calibration method can only correct non-fold-back distortion. (uic.edu)
  • 9001
  • Our comprehensive certification and calibration services ensure that your products meet all relevant regulations, and compliance is recognised with the ISO 9001 certificate, valid for 12 months. (intertek.com)
  • The National Calibration Reference Centre (NCRC) was registered to ISO 9001:2000 by the Canadian General Services Board (CGSB) in December 2003. (wikipedia.org)
  • process
  • This definition states that the calibration process is purely a comparison, but introduces the concept of measurement uncertainty in relating the accuracies of the device under test and the standard. (wikipedia.org)
  • Besides the calibration of the robot, the calibration of its tools and the workpieces it works with (the so-called cell calibration) can minimize occurring inaccuracies and improve process security. (wikipedia.org)
  • Thus "calibration" can mean A reverse process to regression, where instead of a future dependent variable being predicted from known explanatory variables, a known observation of the dependent variables is used to predict a corresponding explanatory variable. (wikipedia.org)
  • In the special effects industry, camera auto-calibration is often part of the "Match Moving" process where a synthetic camera trajectory and intrinsic projection model are solved to reproject synthetic content into video. (wikipedia.org)
  • If you have any questions about the calibration process, selecting a course or being a reviewer, or you would like to discuss your possible involvement in the IRU Academic Calibration Process, please feel free to get in touch. (edu.au)
  • Which course would you like to apply the IRU Academic Calibration Process to? (edu.au)
  • varies
  • The standard instrument for each test device varies accordingly, e.g., a dead weight tester for pressure gauge calibration and a dry block temperature tester for temperature gauge calibration. (wikipedia.org)
  • increasingly
  • It was developed by a partnership between an American video engineer and a programmer with a goal to make video calibration increasingly accessible and more powerful. (wikipedia.org)
  • program
  • In 2007 it was redesigned as a standalone Windows program based around a new Calibration Optimization and Reporting Environment (CORE) engine. (wikipedia.org)
  • NOTE: Do not push the middle button, which will exit the calibration program. (uic.edu)
  • In addition to having an in-house quality assurance program, Canadian Internal Dosimetry Services are required by the nuclear regulator, the Canadian Nuclear Safety Commission (CNSC), through its Regulatory Standard S-106: "Technical and Quality Assurance Standard for Dosimetry Services in Canada", to undergo independent testing by participating in the intercomparison programs provided by the National Calibration Reference Center for Bioassay and In Vivo Monitoring (NCRC). (wikipedia.org)
  • This program offers intercomparison samples for measurement of the following materials in urine: Uranium Tritium Carbon-14 Tritium and Carbon-14 Fission and Activation Products The In Vivo Monitoring intercomparison program is concerned with the calibration of measurement for radioactive isotopes directly in the human body. (wikipedia.org)
  • The Dayton Air Force Depot was given the authority to establish a centralized calibration program. (wikipedia.org)
  • The Dayton Air Force Depot personnel associated with the Air Force calibration program began their moves to the Heath Maintenance Annex in April 1962, and by June, most had been relocated to Heath, Ohio. (wikipedia.org)
  • manually
  • To use the calibration code, do not call CALTag manually. (ubc.ca)
  • Once this screen is open and you have connected the instrument, just select the ColorMunki icon and you now have the ability to manually force the calibration. (xrite.com)
  • standards
  • and Information on improving calibrations by supplying practical reference standards and the necessary techniques. (wikipedia.org)
  • It retains engineering authority for all calibrations performed in the PMEL labs throughout the Air Force, and oversees the contractor managed and operated Air Force Primary Standards Lab (AFPSL). (wikipedia.org)
  • NABL is an autonomous society providing Accreditation (Recognition) of Technical competence of a testing, calibration, medical laboratory & Proficiency testing provider (PTP) & Reference Material Producer (RMP) for a specific scope following IEC/ISO17025:2005, ISO 15189:2012, IEC/ISO 17043:2010 & IEC/ISO 17034:2016 Standards. (wikipedia.org)
  • method
  • Laboratory standard microphones calibrated using this method are used in-turn to calibrate other microphones using comparison calibration techniques ('secondary calibration'), referencing the output of the 'test' microphone against that of the reference laboratory standard microphone. (wikipedia.org)
  • internationally
  • These could include the National Physical Laboratory in the UK, PTB in Germany, NIST in the USA and the National Measurement Institute, Australia, where the reciprocity calibration (see below) is the internationally recognised means of realising the primary standard. (wikipedia.org)
  • displays
  • If the color measuring source does not match the displays capabilities, the calibration will be ineffective and give false readings. (wikipedia.org)
  • Though the ISF popularized the value of professional video calibration, in recent years the equipment necessary to carry out the necessary tasks has become inexpensive enough that enthusiasts and prosumers have been empowered to calibrate their own displays. (wikipedia.org)
  • You can do it by eye with a calibration dvd like Video Essentials or AVIA http://www.hometheaterhifi.com/volume_6_2/aviadvd.html , which are geared towards home theater displays. (experts-exchange.com)
  • form
  • The most common form of calibration aims at adjusting cameras, scanners, monitors and printers for photographic reproduction. (wikipedia.org)
  • The following univariate calibration methods exist for transforming classifier scores into class membership probabilities in the two-class case: Assignment value approach, see Garczarek (2002) Bayes approach, see Bennett (2002) Isotonic regression, see Zadrozny and Elkan (2002) Platt scaling (a form of logistic regression), see Lewis and Gale (1994) and Platt (1999) Bayesian Binning into Quantiles (BBQ) calibration, see Naeini, Cooper, Hauskrecht. (wikipedia.org)
  • results
  • This is because the current released calibration, including the boresights are designed to give certain results for the Crab (see above). (nasa.gov)
  • Such international arrangements facilitate acceptance of test / calibration results between countries to which MRA partners represent. (wikipedia.org)
  • services
  • Shared oil and gas pipelines instigate the need for independent calibration services. (intertek.com)
  • Engaging reliable calibration services assists oil and gas organisations in preventing drifting and inaccuracies and ensures that equipment continues to meet its manufacturer's specifications. (intertek.com)
  • Our calibration services will benefit your organisation through a full range of solutions and consultancy options, excellent communication channels, quality certification, offsite and onsite support and a global footprint in the oil and gas industry. (intertek.com)
  • Informing you of necessary equipment repair or replacement forms part of our calibration services. (intertek.com)
  • Saving you time, money and resources, working with us as your Total Quality Assurance calibration services partner will allow you to focus on core activities. (intertek.com)
  • quality
  • Video calibration software is software used to improve the quality of commercial video reproduction. (wikipedia.org)
  • Quality modern imaging sensors and optics may also provide further prior constraints on the calibration such as zero skew (orthogonal pixel grid) and unity aspect ratio (square pixels). (wikipedia.org)
  • Burrows, M.L. "The Quality of the Lincoln Calibration Sphere" (PDF). (wikipedia.org)
  • files
  • The latest calibration files that are used by sisrmg (including sisph2pi_110397.fits, which is also used by sispi ) are distributed with FTOOLS in the refdata area, but they can also be found here . (nasa.gov)
  • The main goals behind the implementation of the OTFC system are to take advantage of better calibration files and the much smaller storage area required if only raw files are kept in the archives. (wikipedia.org)
  • main
  • There are two main uses of the term calibration in statistics that denote special types of statistical inference problems. (wikipedia.org)
  • national
  • The National Calibration Reference Centre for Bioassay and In Vivo Monitoring (NCRC) is administered by the Radiation Protection Bureau of the Canadian Federal Department of Health. (wikipedia.org)
  • The NCRC provides a national calibration reference service to universities, hospitals, public utilities and private firms in Canada. (wikipedia.org)