调频斜率极性捷变
jittering chirp rate polarity
时间-调频斜率分布
time-frequency rate distribution
随机调频斜率
random frequency modulate ratio
功率—频率调节器
power-frequency electronic regulator
FSK数字频率调制
FSK digital frequency modulate
便携式盒式调频调幅收录机
portable cassette type FM-AM recorder-receiver
波内频率调制
intrawave frequency modulation
Intra-wave frequency modulation
齿轮啮合频率调制
Gear meshing frequency modulation