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What is Understanding Group Delay in Filters about?
Group delay is a concept encountered in higher performance digital communication systems using frequency selective components. 1) Group delay is mathematically defined as the negative rate of change of phase with frequency. 2) Group delay and signal delay are related but not always obvious, as filters can change the shape of signals, making delay measurements somewhat arbitrary and not directly related to group delay. 3) For RF systems, the concept of envelope delay, which represents the delay experience
- Author
- aozgurluk_scribd
- Language
- EN