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- Modulation envelop spectrum 调制包络谱
- Evidently, there is another motion to be concerned with and that is the propagation of the modulation envelope. 显然，还应当考虑另外一种运动，那就是调制包络的传播。
- The reconstruction signals were demodulated with Hilbert transform, and envelope spectrum at each band was obtained. 利用希尔伯特变换解调分析各频带信号，得到对应频带信号的包络谱；
- Time delay of the modulation envelope of a signal in passing through a channel or network. 信号通过某个通道或网络的过程中，经调制的包络线发生的时间上的延迟。
- A new envelope demodulation method based on empirical mode decomposition (EMD) is proposed to make up the limitation that meaningless frequencies often arise in the envelope spectrum of conventional envelope demodulation method. 摘要提出了一种新的调制信号解调分析技术，来抑制传统的包络解调方法中经常出现的无意义的频率成分。
- Dynamic modulated envelops were analyzed by dimensional spectrum and modulated line spectrums achieved. 然后，利用小波变换求其功率谱从而得到辐射噪声的调制包络；
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- wavelet multi scale envelope spectrum 小波多尺度包络谱
- The papers are falling out of the envelop, push them back. 论文从封袋里掉出来了，把它们放回原处。
- He steamed the valuable stamp off the envelop. 他用蒸汽熏揭下信封上的邮票。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- Keep and control the work order collection envelop. 保留并保管工作单收集信封。
- This stamp won't stick to the envelop. 这张邮票在信封上贴不住。
- There's a wide spectrum of opinions on this problem. 对这个问题的说法众说纷纭，莫衷一是。
- In the spectrum, distinct colours shade into each other. 在光谱中，截然不同的颜色相互融合起来。
- To cover with or as if with folds; envelop. 折叠好象用折页覆盖；封装
- There is a wide spectrum of opinions on this question. 在这个问题上有著各种不同的意见。
- I affixed a stamp to the envelop. 我把邮票贴在信封上。
- Attach a stamp to the envelop and mail it. 把邮票贴在信封上寄出去。
- General inflection or modulation of the voice. 抑扬声音的一般性的起伏与变化
