Frequency hopping frequency testing method and device in built-in testing of frequency hopping communication equipment

Abstract

The invention discloses a frequency hopping frequency testing method and device in built-in testing of frequency hopping communication equipment, and relates to the technical field of communication equipment testing methods and testing equipment. The method comprises the following steps o: detecting the power of a frequency hopping signal to obtain a frequency hopping rate waveform, wherein the frequency hopping rate waveform is subjected to NOT gate reversing and then is combined with a reference clock waveform to form a frequency hopping rate counting waveform; obtaining a frequency hoppingfrequency value according to the frequency hopping frequency counting waveform, taking a rising edge of the power detection output waveform as a test starting signal of each frequency hopping frequency, starting a test delay t1, then performing a frequency test of each frequency within t2 time, counting the frequency of each frequency, and obtaining a frequency hopping frequency set after countingfor a period of time. According to the method, a frequency hopping power detection output waveform is adopted as triggering of frequency hopping frequency counting, testing of the frequency hopping frequency is achieved, and testing of a frequency hopping frequency set is achieved through statistics of the frequency hopping frequency for a period of time.

Description

technical field [0001] The present invention relates to the technical field of communication equipment testing methods, in particular to a frequency hopping frequency set testing method and testing device in the built-in testing of frequency hopping communication equipment. Background technique [0002] In communication equipment, in order to improve the anti-interference ability of the system, frequency hopping communication technology is widely used, and the test of frequency hopping communication related indicators is a subject that has been studied by the academic circles. Generally speaking, the test indicators of frequency hopping communication include: Frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set, frequency switching time, frequency hopping power and frequency hopping sensitivity. Traditionally, there are two methods for testing frequency switching time. One is to use a modulation domain analyzer to observe the relationship betw...

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Problems solved by technology

[0006] Standard instruments such as modulation domain analyzers or real-time spectrum analyzers perform frequency hopping frequency tests by directly connecting the external radio frequency input interface to the antenna port of the communication device; the circuit modules with modulation domain analysis or real-time spectrum analysis functions are large in size and low in power consumption. High and heavy, it cannot be integrated into communication equipment to complete the internal test function of the frequency hopping frequency set

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