For a pushbroom scanner like Worldview 1 calculate the data

For a pushbroom scanner like Worldview 1, calculate the data rate implicit in the panchromatic sensor system with a 35,000-pixel linear array, assuming 11 bits/pixel. Assume a square image. Data compression by a factor of 4 reduces the required number of bits to 3 bits/channel. Onboard storage is 2.2 Tbits.

Calculate the number of bits in one image (compressed).

How many such images can be stored? How long will it take to transmit one such image to the ground? (800 Mbit/s X-band).

Solution

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