discrete frequency noise
Adaptive Frequency Hopping
adaptive frequency hopping radar
frequency hopping
跳频
跳
频率跳变
跳变频率
跳频技术
跳频源
跳频信号
跳频FH
跳频通信
变频
原子分解
frequency hopping sequence
frequency hopping spread spectrum
frequency hopping waveform
UHF differential frequency hopping
alternating frequency technique
Radio Frequency Technique
radio frequency technique RFT
the oscillating frequency technique
Variable Frequency Technique
audio frequency and video frequency processing
correlation in frequency domain and frequency domain
High frequency and low frequency