نتایج جستجو برای: calibration methods

تعداد نتایج: 1918640  

2010
O. Yamamura H. Yasuma

The second micronekton inter-calibration experiment (MIE-2) was carried out in the coastal area off southeastern Hokkaido Island, Japan, during September 23–October 3, 2005. Comparative tows were made at four stations situated over the upper continental slope with bottom depths of approximately 500 m (Fig. 3.1). This area is strongly influenced by the coastal branch of the Oyashio Current (Kono...

Journal: :IJMTIE 2012
Luciano Mescia O. Losito V. Castrovilla Pietro Bia F. Prudenzano

In the fields of electromagnetic interference and electromagnetic compatibility, it is important to measure the strength of the electric field originating from electric devices. For this purpose, knowledge of the antenna factor of a receiving antenna is necessary. According to international standards, the accurate measurement of the antenna factor involves the use of calibration test sites char...

2003
Robert Ryan Mary Pagnutti Vicki Zanoni Gary Harrington Dane Howell Randy Stewart

The utility of a thermal remote sensing system increases with its ability to retrieve surface temperature or radiance accurately. Several applications require absolute or relative accuracies far better than 1 C. To achieve these levels of accuracy routinely, scientists must perform laboratory and onboard calibration as well as in-flight vicarious characterization, incorporating a wellcalibrated...

2006
Yusaku Fujii

Three Methods for evaluating the dynamic response of force transducers against varying force are described in this paper. In all methods, the inertial force of a mass is used as the known dynamic force, and this reference force is applied to a force transducer under test. The inertial force is measured highly accurately as the product of the mass and the acceleration. An aerostatic linear beari...

2006
M. Ritter B. Lich

Precise sample stage positioning plays an important role for various FIB (Focused Ion Beam) and SEM (scanning electron microscope) applications in microand nanotechnology. During the last few years, FIB instruments have become an indispensable tool for sample preparation, prototyping and micro-machining. Modern FIB devices are equipped with an additional electron column. Such combined SEM/FIB d...

2000
Tal Cohen Joseph Gil

Self-calibration is a new technique for the study of internal product metrics, sometime called “observations ” and calibrating these against their frequency, or probability of occurring in common programming practice (CPP). Data gathering and analysis of the distribution of observations is an important prerequisite for predicting external qualities, and in particular sofrware complexity. The ma...

2007
José Isern González Jorge Cabrera-Gámez J. D. Hernández Sosa Antonio Carlos Domínguez-Brito

Extended Abstract Many methods have been developed in the last few years to self-calibrate cameras , but few works have addressed a comparison of such methods to provide the user with hints on the suitability of certain algorithms under particular circumstances. The few of these works that analyze self-calibration methods have concentrated on the study of the influence of some factors [1] [2] o...

2010
Dale N. Anderson Deborah K Fagan Steven R Taylor Theresa M Mercier

For event discrimination, operational implementation of a regional seismic station requires three sequential calibration analyses. 1) Magnitude, distance, and amplitude corrections (MDAC) made to observed regional amplitudes are necessary so that what remains in the corrected amplitude is mostly information about the seismic source-type. Corrected amplitudes can be used in ratios to discriminat...

2002
Brian D. Marx Paul H. C. Eilers

In the multivariate calibration framework we revisit and investigate the prediction performance of three high-dimensional modeling strategies: partial least squares, principal component regression and P-spline signal regression. Specifically we are interested in comparing the stability and robustness of prediction under differing conditions, e.g. training the model under one temperature and usi...

1994
H. Joel Trussell Gaurav Sharma

With the increasing use of desktop color scanners for digitizing color images it has become desirable to obtain device independent color information from these scanners. In order to achieve this goal the scanner spectral sensitivity needs to be estimated. This paper describes the application of signal processing techniques to the problem of estimating the scanner sensitivity. Results obtained b...

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