-离散时间信号与系统

Signals, Systems, Transforms, and Digital Signal Processing with MATLAB Pub Date : 2018-09-03 DOI:10.1201/9781315218533-10

See Oppenheim, Schafer

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摘要

(这可以用MATLAB函数来绘制。)对于n的非整数值，valuexŒn´是未定义的。序列可以通过几种方式进行操作。两个序列的和积分别定义为样本对样本的和和和。xŒn * *乘以a定义为每个样本值乘以a。sequenceyŒn * *是延迟或移位的版本ofxŒn * *

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- Discrete-Time Signals and Systems

(This can be plotted using the MATLAB function stem.) The valuexŒn is undefined for noninteger values of n. Sequences can be manipulated in several ways. The sumandproduct of two sequences xŒn andyŒn are defined as the sample-by-sample sum and product respectively. Multiplication of xŒn by a is defined as the multiplication of each sample value by a. A sequenceyŒn is adelayedor shifted version ofxŒn if

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Signals, Systems, Transforms, and Digital Signal Processing with MATLAB

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