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- Frequency modulation offers an effective parameter for spectral evolution: the modulation index (i). 能够控制声音的时变频谱要素对声音合成来说是至关重要的。
- frequency modulation index (FM index) 调频指数
- frequency modulation index 调频指数
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- The figure below illustrates a simple frequency modulation architecture. 下面的图表列举了一个简单的调频结构体系。
- As has been already demonstrated, the modulation index defines the number of partials in the spectrum. 由大多数声学设备产生的分音振幅在声音持续其间变化。
- At the same time, the RPWM spectrums under different modulation index were compared to expose the weakness of RPWM. 对不同幅度调制比下的RPWM波频谱进行比较，RPWM对幅度调制比要求较高。
- A method of representing data in magnetizable surface storage; for example,"modified frequency modulation". 在磁表面存储技术中一种表示数据的方法，例如改进型调频制。
- The modulation index can be increased by using distorted wave forms that contain only triplen (multiples of three) harmonics. 通过使用只含有三次谐波的波形作为载波可以提高这个调节指数。
- A large proton synchrotron,uses frequency modulation of an electric field to accelerate protons. 一种大的质子同步加速器,用电域的调频加速质子。
- A method of representing data in magnetizable surface storage;for example, " modified frequency modulation" . 在磁表面存储技术中一种表示数据的方法，例如改进型调频制。
- Note, however, that by linearly increasing the modulation index the instrument does not necessarily increase the power of high-order sidebands linearly. 频谱的这种短暂变化不总是能被清晰地听到。
- American engineer and inventor whose improvements to radio communication included the development of frequency modulation(1933). 阿姆斯壮，奈尔·奥尔登生于1930美国宇航员，他森身为阿波罗11号指挥官，成为第一个登上月球的人（1969年7月20日）
- It is also required that the power station shall be capable of moderating with load peak, frequency modulation. 要求该电厂有调峰、调频的能力。
- A method of representing data in magnetizable surface storage;for example"modified frequency modulation. 在磁表面存储技术中一种表示数据的方法，例如改进型调频制。
- A method of representing data in magnetizable surface storage; for example, "modified frequency modulation". 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- A Pseudorandom Code Phase Modulation and Sinewave Frequency Modulation Combined Fuse. 伪随机码调相与正弦调频复合引信
- The range of frequency modulation has now been shifted, and energies from the outside are working to alter the planet. 频率调整范围现在已经改变，并且从外界而来的能量正运转来改变行星。
- The fundamental principle of sub-carrier frequency modulation used for FBG array interrogation is analyzed. 分析了副载波调频技术用于光纤光栅阵列查询的基本原理。
