Four-Shooter: A Large Format Charge-Coupled-Device Camera For The Hale Telescope
نویسندگان
چکیده
منابع مشابه
Ultralow-angle dynamic light scattering with a charge coupled device camera based multispeckle, multitau correlator
We use a charge coupled device ~CCD! camera and a multi-tau software correlator to measure dynamic light scattering ~DLS! at many angles simultaneously, from 0.07° to 5.1°. Real-time autocorrelation functions are calculated by averaging both over time and over CCD pixels, each corresponding to a different coherence area. In order to cover the wide spectrum of decay times associated with the lar...
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Recently, the discrete wavelet transforms- (DWT-) based compressor, such as JPEG2000 and CCSDS-IDC, is widely seen as the state of the art compression scheme for charge coupled devices (CCD) camera. However, CCD images project on the DWT basis to produce a large number of large amplitude high-frequency coefficients because these images have a large number of complex texture and contour informat...
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Charge Transfer Inefficiency (CTI) due to radiation damage above the Earth’s atmosphere creates spurious trailing in Hubble Space Telescope (HST) images. Radiation damage also creates unrelated warm pixels – but these happen to be perfect for measuring CTI. We model CTI in the Advanced Camera for Surveys (ACS)/Wide Field Channel and construct a physically motivated correction scheme. This opera...
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ژورنال
عنوان ژورنال: Optical Engineering
سال: 1987
ISSN: 0091-3286
DOI: 10.1117/12.7974149