Envelope signal的意思|示意

According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.

考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。

Quadrature coherent detection can reserve all information of the complex envelope of signals, and it is therefore widely used in signal processing.

正交相干检波可以将复包络的所有信息进行保留，所以在数字信号处理中得到广泛应用。

An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.

提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。

Traditional way of AM signal demodulation is envelope detector or synchronism detector.

传统的AM调幅信号解调方法是同步检波和包络检波法。

Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.

正交采样技术可以保留信号复包络的幅度、相位等信息，因此在信号处理领域中有着广泛的应用。

All circuits of demodulating strong signal envelope are adopted in previous TV's video demodulation, synchronizing demodulations are widely used in video demodulation in the later integrated TV set.

早期电视机的视频检波均采用大信号包络检波电路，后来在集成化的电视机中，视频检波又都采用同步检波方式。