How to Shift a Signal in Time Domain
Discover the techniques that can shift a signal in time.
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When learning DSP, it’s important to know how to shift a signal in time. This is an important part of all DSP operations.
- Some applications require signals to be shifted by a processor. For example, a signal needs to be aligned with the output of another signal processing chain.
- In some other applications, we encounter a signal shifted in time by nature. For example, a localization receiver attempts to estimate the time shift of the received signal to compute its range from the transmitter.
- In almost all DSP operations, like filtering, a signal needs to be shifted in time to compute the output response of the system.
The logic
For a discrete-time signal , its delayed version by units is denoted by . Taking the time ...