| 1. | 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。 |
| 2. | 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。 |
| 3. | An envelope can thus be employed to time - vary the modulation index in order to produce interesting spectral envelopes that are unique to fm
分音的振幅以复杂的形式表现出来，特别是在抨击的声音中。 |
| 4. | A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced . the principle , design considerations , modulation index and efficiency of the proposed inverter are discussed in detail
提出了一种新型直流母线零电压过渡电压源三相pwm逆变器，并对该电路的工作过程、参数设计、调制系数以及工作效率等进行了详细的分析和试验研究。 |
| 5. | Some modulation parameters , such as the carrier frequency and the symbol rate , can be estimated prior to the recognition of modulation types . such other parameters as the modulation index , the modulation frequency deviation , and the signal broadband can be further estimated after recognition
部分调制参数如载波频率、符号速率在识别之前获得，在识别完成之后可以进一步估计调制指数、调制频偏、信号带宽等其余参数。 |
| 6. | On the base of analysis of the svpwm controller for two - phase asynchronous motors in home and abroad , the svpwm technique by using four space voltage vectors and divided eight sectors is advanced . the controller parameter and formulation are deduced . an optimized modulation index is proposed for the motor having rotary circle magnetic field
论文在分析国内外两相逆变器异步电动机的svpwm控制基础上，提出四个电压矢量八个工作空间的svpwm控制技术，推导了控制参数和计算公式，提出了使电机具有圆形旋转磁场的调制比优化方案，给出了实施本方案的逆变器功率管的导通顺序和逆变器的输出电压波形。 |
| 7. | A comprehensive theory is presented for fm spectroscopy of doppler - broadened molecular iodine absorption lines . the relationship betwcen fm spectroscopy and modulation frequency and modulation index has been studied . the whole circuit for thc frcquency stabilized laser system has been developed
建立了多普勒加宽碘分子线性吸收fm光谱的一般理论，对fm光谱与调制频率和调制度的关系进行了研究；并研制了532nmnd : yvo _ 4 / ktp碘吸收稳频激光器的电路系统；提出了虚拟激光稳频技术的概念。 |
