Advances in the Research of Chirp Delay Line for Analog Signal Processing

Analog signal processing is a real-time, efficient signal processing technique. Chirped delay line is a critical device for analog signal processing. The research status and progress of the chirped delay lines have been reported in this paper. By introducing a variety of approaches for the design of a chirped delay line, this paper summarizes the advantages and disadvantages of each method, and provides suggestions for further research.