...脉冲时，脉冲达到极限值时会发生过度的电磁干扰（Electromaic Interference，EMI）；利用脉冲频谱伸展调整（Spread Modulation）功能，可使极限值由尖峰变得平展，从而削减电磁干扰；假如没有电磁干扰的问题，就可设置为Disabled，以便获得更好的机能；
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spread spectrum modulation 扩频调制 ; 调变 ; 扩展频谱调制
spread spectrum modulation technique 扩展频谱调制技术
direct sequence spread spectrum modulation 直接序列扩频调制
frquency hopping spread spectrum modulation 直序列扩频调制方式
frequency hopping spread spectrum modulation 跳频扩频调制
adaptive modulation spread spectrum 自适应调制扩频
spread spectrum frequency modulation 扩频调制
spread transform dither modulation 扩展变换抖动调制
spread and modulation 扩频与调制
The spread of analog audio modulation and bandwidth by the decision, there are many shortcomings with the inconvenience.
模拟音频的传播受到调制方式和带宽的决定，有非常多的缺点与不方便。
As a result, the computer simulations show that the LPI capability of the new DSSS modulation become more effective within the same bandwidth and Spread Spectrum gain.
计算机仿真结果表明，在调制带宽或扩频增益不变的前提下，提高了DSSS调制信号的低概率截获性能。
Aiming at the spectrum spread problem of traditional digital modulation signals, a time-phase modulation (TPM) method with abrupt phase change characteristic is proposed.
针对传统数字调制信号频谱扩展问题，提出具有相位突变特性的时相调制(TPM)方式。
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