modulation ratio
英 [ˌmɒdjʊˈleɪʃən ˈreɪʃiəʊ]
美 [ˌmɑdʒəˈleɪʃən ˈreɪʃioʊ]
网络 调变比; 调制比
双语例句
- Optical Three-dimensional Profilometry Based on Modulation Ratio Measuring Method for Disc Cam Contour Based on Coordinate Measuring Machine
基于调制度比的光学三维测量轮廓术基于三坐标测量机的盘形凸轮廓线测量 - Study of Phase Measuring Profilometry and Its Application Optical Three-dimensional Profilometry Based on Modulation Ratio
三维光学扫描测量系统的研究和应用基于调制度比的光学三维测量轮廓术 - DFT Method of Detecting AM Signal with Low Modulation Ratio
低调制度AM信号的DFT检测方法 - Via theoretical analyzing, we can find that the step reference waveform modulation strategy is an ideal one when frequency modulation ratio is not very high.
通过理论分析，可以看出阶梯波调制PWM的确是在频率调制比不高时较好的调制方式。 - The characteristics of seismicity during higher earth tides and the determination of anomalies of small earthquake modulation ratio r_m
固体潮高时段地震活动特征与小震调制比Rm异常的判定 - An Improved Estimation Algorithm of Minimum Entropy Doppler Frequency Modulation Ratio in SAR Image
SAR成像中一种改进的最小熵多普勒调频率估计算法 - Research shows that the regenerating characteristics in PWM drive mode are determined by PWM modulation ratio, and different control methods have distinct braking and regenerating characteristics.
研究表明：在PWM驱动方式下，永磁电动机系统再生制动特性由PWM调制比决定；不同的再生回馈控制策略有不同的制动、回馈特性。 - There is third-order harmonic component added in common-mode voltage. When maximal modulation ratio is selected, the amplitude of the third-order harmonic voltage in common-mode voltage also reaches the maximum, which may further affect the reliable operation of generators.
经对比发现，共模电压新增加了3次谐波电压成分，当调制比取最大值时，共模电压中3次谐波电压幅值达到最大，加剧了共模电压对电机可靠运行的影响。 - The hardness of Si 3N 4/ TiN nano multilayers is affected not only by modulation period, but also by modulation ratio.
si3n4/tin多层膜的显微硬度既受调制周期∧的影响，同时又与调制比有关。 - The pressure test on granite has researched into the tectonic activities between the continuous occurrence of strong earthquakes and its spatial-temporal characteristics of modulation ratio.
并用花岗岩块体受压实验结果初步探讨了中强地震连发及其调制比时空展布特征的构造活动。 - The influence rules on harmonic wave of motor stator current and ripple of electromagnetism torque are obtained under different rotational speed and voltage modulation ratio.
通过仿真研究了在不同的转速和电压调制比的情况下同步电动机定子电流谐波及电磁转矩脉动，得出了有关规律性结论。 - The Theoretical Basis of the Application of the Syzygial Tide to the Prediction Methods of Modulation Model and Modulation Ratio
调制模式、调制比预报方法应用朔望潮的理论依据 - This paper briefly describes the sampling rules of SPWM Control method in the frequency conversion speed change system, An effective and simple computing method for parameters of pulse duration and amplitude modulation ratio is presented.
在微机控制的变频调速系统中，一般采用SPWM控制方法，即用计算机产生SPWM的有关控制信号，并对正弦调制波进行规则采样处理。 - The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time variant modulation ratio method is proposed.
在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。 - This paper presents a detailed analysis to the physical meaning and calculation formula for the main parameters of nonlinear distortions in amplifier: cross modulation ratio, 2nd order cross modulation ration and 3rd order cross modulation ratio.
本文详细地分析了放大器非线性失真的主要参数&交扰调制比，二阶、三阶载波互调比的物理意义和计算公式，并由此推导出电缆电视系统的设计方法。 - Ased on the method of earthquake modulation ratio, a dynamic check method is presented to locate the adjustment area near seismic center before moderate earthquake.
在小震调制比方法的基础上提出了探测中强震发生前震源附近调整区位置的一种动态检测法（又称抽时段检测法）。 - This paper proposed an intermediate and short term prediction method for strong earthquake using spatially anomalous distribution map with high frequently occurrence of small earthquake modulation ratio ( rm) based on the constitution model.
本文根据组合模式原理提出了一种用小震调制比（rm）异常区出现高频次的空间异常图，进行强地震中短期预报的方法，简称rs法。 - Calculation of Cross Modulation Ratio of CATV System
CATV大系统交调比的计算 - The operation of the proposed system is thoroughly analyzed and how to control modulation ratio meets each pulse magnetic reset is deduced.
对如何通过控制调制比使高频变压器能满足逐个脉冲磁复位进行了数学推导。 - The anomalous amplitude of the modulation ratio for the earthquake with M6.7-6.8 between the earthquakes of M7 is small.
7级地震间发生的67～68级地震调制比异常幅度小。 - Synchronizing signal of chaos is automatically extracted form modulated signal by forced synchronization and freely evolving synchronization, Synchronization is maintained between transmitter and receiver under normal modulation ratio.
该方案利用混沌系统具有约束同步和自由演化同步的特性，自动地从已调制信号中提取混沌同步信号。 - High modulation ratio of voltage and sine wave of current were finally obtained by the simulation via Matlab/ Simulink.
通过Matlab/Simulink进行计算机仿真，得到较高的电压调制比和良好的电流波形。 - With voltage modulation ratio debasing, output harmonic component is added;
随着电压调制比的降低，输出谐波成分增加； - The experimental device was built with the controller DSP, the power switch IGBT and corresponding control software is programmed. Three-phase symmetrical inductive load was driven on the condition that the modulation ratio and PWM cycle were changed.
并以DSP为控制器I，GBT为功率开关，建立了实验装置，编制了相应的控制软件，在改变调制比和PWM周期的条件下，拖动了三相对称星形联结的感性负载。 - This device can be applied as a modulator or chopper in optical fiber signal transmission system and has a good prospect for its high modulation ratio and low price.
具有价格低廉、调制度高的特点，可应用于光纤传输信号的调制及信号斩波等。 - Through transient finite element analysis to the simulation model, the effect of inverter parameters, such as amplitude modulation ratio and switching frequency, on eddy current losses in induction are studied.
通过对仿真模型进行瞬态有限元分析，研究了调制比、开关频率等逆变器参数对电机铁心涡流损耗的影响。 - The paper proposes a kind of method by adjusting both modulation ratio and phase shift angle. Simulation results show it has good performance.
在电网侧能量交换法中提出了同时控制调制比和移相角的平衡策略，仿真验证了该方法具有良好的平衡效果。 - In the many control strategies in a variety of multi-level inverter, the space vector pulse width modulation ( SVPWM) algorithm has a big modulation ratio, to optimize the output voltage waveform and other advantages, through improved control of this algorithm can improve control performance.
在多电平逆变器的多种控制策略中，空间矢量脉宽调制（SVPWM）算法具有调制比大、能够优化输出电压波形等优点，通过对SVPWM算法改进可以改善控制性能。 - Pointed out the relation of cascade units 'number and carrier phase-shifted angle, and the modulation ratio ( M)' s impact on the output voltage.
并指出了级联单元个数与载波移相角的关系和调制比对输出电压的影响；完成了级联变频器数学模型的建立和死区效应的分析。