differential frequency hopping meaning in English

差分跳频

Using dds to realize fast differential frequency hopping
实现高速短波差分跳频
Research and design of differential frequency hopping digital receiver
短波差分跳频电台接收机关键技术的研究
Performance analysis of differential frequency hopping communication system over rayleigh fading channel
接收机在瑞利信道下的性能研究
High resolution frequency estimation of differential frequency hopping signal in gaussian noise
高斯噪声下差分跳频信号的高分辨率频率检测
Performance analysis of shortwave differential frequency hopping systems with partial - band jamming
短波差分跳频系统抗部分频带干扰性能分析