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Titlebook: Rudiments of Signal Processing and Systems; Tom J. Moir Textbook 2022 The Editor(s) (if applicable) and The Author(s), under exclusive lic

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楼主: vein220
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Sampling of Signals and Discrete Mathematical Methods,nctions in the discrete-time domain as an equivalent of the Laplace transform in continuous-time. Just as analogue (continuous time) systems have electronic circuits to implement filters, in discrete time we use instead finite difference equations, which follow naturally from the Z-transform.
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Properties of Discrete-Time Systems and Signals,e edge of the unit circle we can then evaluate the frequency response of a discrete time system. This gives us the properties of discrete-time systems. To find the properties of sampled signals we develop the theory of the discrete-time Fourier transform (DTFT) which is merely a continuous time representation of a sampled frequency.
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A More Complete Picture,zle is put in place by covering the discrete Fourier Transform (DFT). This in turn leads us to the fast Fourier transform (FFT) which has become one of the most widely used algorithms of its kind in the signal processing industry.
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FIR Filter Design,on method and optimal design. It is shown that FIR filters can achieve performance with highly steep frequency domain transition edges and minimal passband ripple whilst still maintaining phase linearity.
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Toeplitz Convolution Matrix Method,ix which has a special form which is lower triangular Toeplitz (LTT). A LTT matrix when used in this manner has similar properties to polynomials. For some problems the LTT matrix must be inverted, but this can be achieved in a computationally fast way by using the FFT.
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FIR Wiener Filters and Random Signals,filter has a finite impulse response (FIR) instead of infinite impulse response (IIR). We consider this type of problem in this chapter by introducing the theory and applying it to both academic and real-world problems. The FIR solution is often favoured because of both its simplicity and stability properties.
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Further Introductory Topics in Signals and Systems,a linear time-invariant (LTI) property of a system that is less commonly used in continuous-time (analogue) systems but has many uses in sampled systems. However, the fundamentals are best studied in continuous time as a foundation. An added complication in engineering problems is that signals canno
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Frequency-Domain Properties of Signals,he Laplace domain which is used for transfer function and time-domain response analysis. However, there is only so much information that can be gleaned from time-domain waveforms and their use is limited to specific areas such as step response characterises. This chapter introduces the work of Jean-
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