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برق و الکترونیک::
پرتوسنج تصویربرداری فروسرخ
In addition to CALIOP, the CALIPSO satellite payload includes an Imaging Infrared Radiometer (IIR), provided by CNES, with three channels in the infrared region optimized for retrievals of cirrus particle size, and a single channel Wide Field Camera (WFC).
The WFC is a moderate spatial resolution camera operating in the visible regime to provide meteorological context for CALIOP and IIR measurements, and as a means of accurately co-registering CALIPSO observations to those from other instruments in the A-Train such as MODIS (MODerate Resolution Imaging Spectroradiometer).
WFC data is also combined with data from the IIR and CALIOP to retrieve cloud properties.
Some of the cloud parameters produced are subsequently used by the IIR Level 2 subsystem to produce cloud emissivity and cloud particle size.
Cloud data from CALIOP are incorporated into the IIR retrieval algorithm to reduce uncertainties in the retrieval of cloud emissivity and particle size.
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