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文中提出了一种新型混合跳频通信技术,该技术结合传统跳频技术和差分跳频技术,在较窄的频带上采用差分跳频调制,并将该调制信号与另一更宽频带内的慢跳频信号进行混频,最终得到一个跳速高、频带宽的调制信号。接收端解调时,先按照传统跳频解调的方式进行慢跳频的解调,再按照差分跳频解调的方式对信号进行差分跳频解调。这种混合跳频通信技术在提高数据传输速率的同时,也可以很好地改善系统的误码率性能和抗单音干扰性能。
This paper presents a new hybrid frequency hopping communication technology, which combines traditional frequency hopping technology and differential frequency hopping technology to adopt differential frequency hopping modulation in the narrower frequency band, and the modulation signal with another wider frequency band Slow frequency hopping signal mixing, and ultimately get a high jump speed, bandwidth modulation signal. When demodulating at the receiving end, the demodulator performs slow frequency hopping demodulation according to the traditional method of frequency hopping demodulation, and then performs differential frequency hopping demodulation on the signal according to the way of differential frequency hopping demodulation. This hybrid frequency hopping communication technology can improve the system’s bit error rate performance and anti-monophonic interference performance while improving the data transmission rate.