Large-dynamic-range high-speed frequency hopping signal time-frequency analysis system design method

Abstract

The invention discloses a large-dynamic-range high-speed frequency hopping signal time-frequency analysis system design method. In the method, the time-frequency analysis system comprises a time-frequency signal analysis module, an amplitude calculation module, a power calculation module, a frequency spectrum data processing module and a display processing module. The time-frequency signal analysis module is used for carrying out time-frequency data processing on received data by adopting a time-frequency analysis method, and outputting the data to the display processing module for display; and the power calculation module is used for converting the mW power information into dBm power information to obtain power measurement and sensitivity measurement values, and outputting the power measurement and sensitivity measurement values to the frequency spectrum data processing module and the display processing module. According to the technical scheme disclosed by the invention, time-frequency analysis of high-speed frequency hopping signals in a large dynamic range is realized.

Description

technical field [0001] The invention relates to a design method of a time-frequency analysis system, in particular to a design method of a time-frequency analysis system of a high-speed frequency-hopping signal with a large dynamic range. Background technique [0002] In the existing technology, traditional spectrum analyzers measure the power within a certain bandwidth by scanning frequency, and the instantaneous bandwidth is small, resulting in the loss of a large amount of information outside the bandwidth; traditional spectrum analyzers can only display the spectrum information of one frame, and cannot display the spectrum at different times Changes. Traditional oscilloscopes cannot directly collect and display weak RF signals, nor can they directly obtain envelope information. Usually, additional RF signal amplification, detection, and video signal amplification are required to display the envelope through the oscilloscope. The existing communication receiving and moni...

AI Technical Summary

Problems solved by technology

[0002] In the existing technology, traditional spectrum analyzers measure the power within a certain bandwidth by scanning frequency, and the instantaneous bandwidth is small, resulting in the loss of a large amount of information outside the bandwidth; traditional spectrum analyzers can only display the spectrum information of one frame, and cannot display the spectrum at different times Changes

Traditional oscilloscopes cannot directly collect and display weak RF signals, nor can they directly obtain envelope information. Usually, it is necessary to add additional RF signal amplification, detection, and video signal amplification, and then display the envelope through the oscilloscope.

The existing communication receiving and monitoring equipment mainly completes the identification and sorting of radio signals, and does not analyze the underlying parameters of the signals such as time spectrum and envelope characteristics.