modulation index
英 [ˌmɒdjʊˈleɪʃən ˈɪndeks]
美 [ˌmɑdʒəˈleɪʃən ˈɪndeks]
网络 调制指数; 调制度; 调制深度; 调变指数; 调制系数
双语例句
- The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。 - Finally, in order to remove the subjectivity error produced by human eye observation and to ensure measurement accuracy, the imaging modulation index is computed.
最后，为了消除人眼观测的主观性，通过计算探测器对该单元条纹的成像调制度来确保检测结果的准确性。 - Analysis on Effect of Phase Difference on the Modulation Index of Single Channel Signal
和差信号相位差对单通道信号的影响分析 - Carrier acquisition algorithm with large modulation index for unified microwave TT& C systems
大调制度微波统一测控系统载波捕获算法 - Joint Algorithm for Simultaneous Blind Equalization and Modulation Index Estimation of CPM Signals
一种适合于CPM信号的盲均衡与调制指数盲估计的联合算法 - Since only the phase modulation index or the microwave power is needed to be adjusted, the system is easy to be implemented with tunable comb spacing and adjustable comb number.
与此同时，梳状间隔和谱线数目的调谐只需要改变施加在相位调制器上的微波功率即可，因而大为简化了调谐过程。 - This total modulation index must not exceed unity, or distortion will result.
这总的调制度不得超过一，否则就会产生失真。 - Amplitude modulation index estimation of AM-FM signal scattered from micro-motion target
微动目标AM-FM信号调幅指数估计方法 - In the formula of ( 2), represents the in-phase signal, represents the orthogonal signal, is the modulation index and is the subcarrier frequency.
式中，表示同相信号，表示正交信号，为调制指数，为副载波频率。 - Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
相同频率调制比和幅度调制比的情况下，对调制波信号的不同采样点分布可以得到不同的SVM波形。 - Quasi-velocity-matching can be used to realize electron-optics phase modulator with high modulation index, which has essential applications in spectroscopy, laser frequency conversion and improving laser beam uniformity.
利用准速度匹配技术可以实现大调制度的电光相位调制器，从而可以用来展宽激光频谱，它在光谱学、激光变频以及改善激光均匀性等方面有重要应用。 - To overcome the low voltage modulation index and low fundamental component, a novel suboptimal PWM technique ( MSUBPWM) applicable to multilevel voltage inverter is presented.
针对多电平载波PWM技术中电压调制深度低和基波幅值小的问题，提出了多电平准最优PWM法，分析了输出最大电压调制深度、基波幅值和谐波畸变率等，并进行了计算机仿真。 - This method has advantages of the Switching Frequency Optimal PWM method ( SFOPWM) and the Carrier-Overlapping PWM method: under low modulation index, this method can show better characteristics of the output voltage;
该方法同时具有载波交叠式PWM方法和开关频率优化方法的优点：在低调制度下具有良好的谐波特性； - In this paper, the effectes of modulation index, modulation frequency, modulation method and LPF parameters on current-fed active compensator arc studied by using digital simulation and the performances of voltage-fed active compensator are compared with those of the current-fed active compensator.
本文通过数字仿真研究了调制度、调制频率、调制方法和滤波器参数对电流型有源补偿系统补偿性能的影响，并对电流型与电压型补偿系统的补偿性能作了对比。 - Its performance is greatly improved than that of the conventional phase-shifted carrier PWM method ( PSPWM), especially under low modulation index region.
和传统的相移载波PWM方法相比，该方法的谐波性能得到了很大的提高，尤其是在低调制度下。 - Blind Detection of Continuous Phase Modulation Signals with Integer and Half Integer Modulation Index
调制指数为整数和半整数的连续相位调制信号的盲检测 - Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.
一定的传输距离和发射光功率情况下，不同的子载波数存在一个最佳的光调制指数，使得系统载噪比最大； - Analysis and Design of Large Modulation Index PhaseModulation Signal Phase-locked Demodulator
大调制指数调相信号锁相解调器的分析与设计 - The new method modified the traditional modulation method in the reference cell, and has advantages including easy implementation, high modulation index, and low cost, etc.
这一方法改进了传统方案中参考腔的调制方式，具有易实现、调制指数高等优点。 - A Method of Digitized FM with Controllable Modulation Index Based on FPGA
一种基于FPGA的调制指数可调的数字化调频方案 - Design of the Optical Modulation Index for External Modulator
外调制器光调制指数的设计 - This method shows better harmonic characteristics of output voltage than Subharmonic PWM method under low modulation index region.
该方法在低调制度范围内具有良好的谐波特性，在高调制度范围内谐波特性和传统的消谐波PWM方法基本相同。 - The active power at mains is dependent on input current modulation index, input filter parameters, input current displacement and load resistance, so are reactive power and input power factor;
输入端有功功率、无功功率和输入功率因数都与输入电流调制度、输入滤波器参数、输入电流位移和负载电阻大小有关； - Measurement of the modulation index of a M-Z electro-optical modulator using an optical spectrum analyzer
用光谱仪测量M-Z电光调制器大调制指数 - Voltage source inverter may work in three different regions according to the value of modulation index ( MI), linear modulation, overmodulation mode(ⅰ) and mode(ⅱ). Different region requires different algorithm to produce linear output voltage.
电压源型逆变器，根据最大调制系数（MI）的大小逆变器工作在三种不同区域：线性调制、过调制Ⅰ和过调制Ⅱ区，不同的区域对应着不同的算法以实现线性控制逆变器输出电压。 - The analytic results on system CNR ( Carrier-Noise-Rate) and the computer simulation show that the system CNR can be improved greatly by utilizing the wavelength controlling and increasing the optical modulation index.
仿真结果表明，通过实施波长控制技术和增加光调制指数等措施，可以有效提高系统载噪比。 - The best modulation index values of M-ary CPM are put forward to in this thesis.
提出并证明了多进制CPM调制中解调性能最优的调制指数值。 - The effect of three parameters such as modulation index, dispersion distance and optical carrier suppression ratio is also discussed.
讨论了调制系数、色散光纤距离和载波抑制功率等因素对毫米波信号及各次谐波传输性能的影响。 - In the condition of small modulation index, the FM signal can be seen as amplitude modulation signal.
为此可以运用调频信号的近似表达法，在小调制指数的工况下，把调频信号转化为调幅信号。 - Modulation index of backscatter link under different parameters is measured in open indoor environment.
在开阔的室内环境下，完成了不同参数条件下的反向散射调制系数测试。