Q 6:- a) A certain sinusoidal at a frequency fmHz is used as a modulating signal in both AM and an FM system. When modulated, the peak frequency deviation system is set three times the bandwidth of AM system. The magnitude of those sidebands space at Ffm Hz from carrier in both system are equal. Determine the modulation index and bandwidth of FM and AM system. Find ratio power between power of two side in AM to power in the third side in FM

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Filter

A filter is a device or process which removes some of the unwanted features or components like frequencies from a signal in signal processing. The feature of filters is the complete or partial suppression of some part of the signal, and filtering is a class of signal processing. This most often means removing some frequency bands or some frequencies. In the frequency domain, the filters do not exclusively act, especially in the image processing field many other targets for filtering exist. Without having to act in the frequency domain, the correlations can be removed for certain frequency components and not for others. The filters are widely used in electronics and telecommunication, in television, radio, radar, audio recording, music synthesis, control systems, computer graphics, and image processing.