Basing on development trend of short wave frequency hopping radio, this paper analyses some key techniques about the new type short wave digital frequency hopping radio.
本文根据短波跳频电台的发展趋势，重点分析了研制新型短波数字跳频电台所涉及的若干关键技术问题。
Digital Radio Frequency Memory (DRFM) can store radar signal coherently for a long time, it provides powerful means to counter new radar systems.
数字射频存储器(DRFM)可以对雷达信号进行长时间的相干存储，为干扰现代相干体制雷达提供了有力的技术手段。
Digital Radio Frequency Memory (DRFM) can store radar signal coherently for a long time, it provides powerful means to counter new radar systems.
数字射频存储器(DRFM)可以对雷达信号进行长时间的相干存储，为干扰现代相干体制雷达提供了有力的技术手段。
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