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Linear Circuits and Filters
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2nfct amplifier amplitude approximation assume band band-pass band-pass filter bandwidth baseband binary carrier frequency channel Chapter circuit coct coefficients color complex components compute consider constant convolution correlation function cosine defined delay delta function demodulation denote detection diagram discrete discrete Fourier transform discussed envelope detector equation error estimate example fact Figure finite FM wave Fourier series Fourier transform Gaussian given Hankel transform Hence Hilbert transform impulse response integral inverse linear system low-pass filter matched filter multiplier narrowband noise obtain operation optimum orthogonal oscillator output parameter phase poles Prob probability problem radar random process random variables receiver rect resistor result sampling Show shown in Fig sideband signal-to-noise ratio sine spectral spectrum theorem theory time-invariant tion transfer function transmission transmitted two-dimensional vector voltage waveform zero