相同频率调制比和幅度调制比的情况下,对调制波信号的不同采样点分布可以得到不同的SVM波形。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
原有声纳系统接收处理后的声音信号经过综合频谱转换后,形成数字化的动态频率-幅度分布曲线。
The sound signal received and processed by the original sonar system is converted by comprehensive frequency spectrum and forms a digitized dynamic frequency-amplitude distribution curve.
随后以大擦地角的回波信号为例,简要分析了杂波模型的幅度分布、功率谱和参数的特性。
The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.
高频电离层信道反射信号的幅度衰落服从瑞利分布。
Envelope fading of reflecting signals on HF ionospheric channels is Rayleigh fading.
仿真结果表明,CMA阵列的抗多径干扰性能受随机相移、信号幅度、信号空间分布等因素的影响。当所需信号与多径干扰信号空间隔离度越大,CMA阵列的抗多径干扰性能越好。
The results of simulations show that the random phase shift, the amplitude and DOA(Direction of Arrival) of signals can influence performance of CMA array in reducing multipath interference.
当导引头雷达发射多个不同频率的脉冲信号时,在一定的检测处理时长内目标回波信号幅度服从瑞利分布,而诱饵干扰信号则是幅度固定的。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
当导引头雷达发射多个不同频率的脉冲信号时,在一定的检测处理时长内目标回波信号幅度服从瑞利分布,而诱饵干扰信号则是幅度固定的。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
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