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What is the application of FFT in image processing?
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Explain the concept of image rejection in superheterodyne receivers.
Answer : In a **superheterodyne receiver**, the goal is to convert the received radio frequency (RF) signal into a lower intermediate frequency (IF) for easier processing. This is achieved ... crucial for clear, accurate reception of the desired radio signal without interference from unwanted frequencies....

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How does a charge-injection device (CID) image sensor work?
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What are the properties of Fourier transform in signal processing?
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