harmonic ratio
英 [hɑːˈmɒnɪk ˈreɪʃiəʊ]
美 [hɑːrˈmɑːnɪk ˈreɪʃioʊ]
网络 谐波含有率; 谐波比
双语例句
- Analysis and simulation results show that different harmonic currents flowing into the capacitor circuit is different due to different reactance ratio of series reactor.
分析与计算结果表明，因串联电抗器的电抗率不同，其流进电容器回路的谐波电流也截然不同。 - Harmonic to Noise Ratio;
谐波噪声比； - Distributed feedback laser diode ( DFB LD) is used as a light source and light source modulation harmonic measurement is presented in this paper. The ratio of the fundamental and second harmonic signal can be used for eliminating the interference owing to light power changing.
采用分布反馈式半导体激光器（DFBLD）作为光源，通过光源调制实现气体浓度的谐波检测，利用二次谐波与一次谐波的比值来消除由光源的不稳定等因素所引起的检测误差。 - The ultimate nonlinear harmonic settlement decreases as the wavenumber or the radius-to-thickness ratio increases.
非线性谐波极限沉降随谐波数、径厚比的增大而减小。 - By analyzing the relation between the self oscillation frequency and the system frequency response, the relation between the precision of the harmonic linearization and the frequency ratio of the input signal and self oscillation signal, a method to design the self oscillation frequency is brought forward.
通过分析自振荡频率ωc与系统频率特性的关系、振荡线性化精度与输入信号和自振荡信号频率比ω0/ωc的关系，提出了自振荡频率的设计方法； - The secondary current waves of unsaturated and extremely saturated current trans-formers are compared to show the insufficiency of saturation discrimination by harmonic ratio. A waveform discrimination criterion is brought forward to assist harmonic braking.
通过比较电流互感器未饱和及深度饱和时二次电流波形特点，分析了通过谐波比确定电流互感器饱和的不足之处，提出一种新的波形鉴别判据，作为谐波制动的辅助判据。 - The lubrication calculation method for harmonic gear drive was introduced into harmonic gear teeth lubrication, the curve of minimum oil film and film thickness ratio was presented with different motion viscosity, the measure of improving lubrication and reducing teeth wear was advanced.
将谐波齿轮传动的润滑计算方法应用到谐波齿轮齿面润滑状态中，给出不同运动粘度下的最小油膜厚度及膜厚比曲线，提出改善润滑减少齿面磨损的措施。 - 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。 - Testing technology research of harmonic trig ratio of differential relay
差动继电器谐波制动系数测试技术研究 - Firstly, second harmonic component ratio and dead angles of two phase inrush's dispersion in three-phase transformes are acted as input variable.
首先，文中将三相变压器两相涌流差流的二次谐波含量比和间断角作为网络的输入变量； - After the analysis for speech signal with of three-order cumulant spectrum, this algorithm through using subharmonic-harmonic rate method can compute harmonic parameters and high-low frequency energy ratio.
该方法在分析了语音的三阶累积量谱后，用子谐波-谐波方法取得基音，并计算出谐波参数和高低频能量比值。 - The windings in the valve side adopt prolonged delta connection providing the circuit for three-multiple harmonic currents, and implementing 12-pulse converter through fit ratio;
该换流变压器阀侧绕组采用延边三角形接线，为3倍次谐波电流提供通路；通过匝比配合，实现12脉波换流； - The result shows that compared with SPWM, SVPWM has the advantages of less harmonic distortion, lower switching losses and higher voltage availability ratio, which has provided a solution to the PWM generation of AC ship power propulsion systems.
实验结果表明，与SPWM相比，SVPWM具有谐波畸变率低、开关损耗小以及电压利用率高等优点，为舰船交流变频推进系统的PWM方式提供了一种解决方案。 - A Preliminary Exploration on Measuring the Harmonic Brake Ratio and the Problems of the Quick-Break and the Setting of the Difference Current~ I
浅谈谐波制动比的测量及差电流速动整定的问题 - The purpose of this dissertation is specified as follows: the active part of APF is confined to harmonic procession and accordingly, the ratio between the VA ratings of load and inverter of hybrid APF will be greatly improved.
本文主要的研究目标是：将APF的有源部分仅仅限于谐波处理并以此大幅度提高混合型APF的负载/逆变器容量比。 - An improving sub-harmonic to harmonic ratio ( ISHR) algorithm based on sub-harmonic to harmonic ratio ( SHR) and using the voiced speech harmonic and sub-harmonic in the speech sinusoidal model algorithm was proposed.
利用正弦语音模型中浊音存在的谐波与子谐波，在SHR（subharninctoharmonicratio）算法的基础上，提出了一种改进型高精度基音检测算法ISHR（improvingsubharninctoharmonicratio）。 - The relationships of the amplitudes and energy efficiency of the harmonic wave for the output voltage with the driving duty ratio and resonant cycle number are analyzed in details. Based on this, the design criteria of the circuit are established.
分析了输出信号中各次谐波幅值和能量比与驱动信号占空比和谐振周期之间的关系，据此提出了驱动电路的设计准则。 - Discussion of the testing process on the second harmonic restraint ratio of differential protection
关于差动保护二次谐波制动比测试过程的探讨 - But, the harmonic and reactive components produced by electrical locomotive not only caues added losses and reduce the utilization ratio of the traction transformer, but also influence the stability and security of electrical power system.
但电力机车产生的谐波和无功，不仅使牵引变压器等主要电气设备产生附加损耗、降低容量利用率，而且影响了电网电能质量，对电力系统的稳定、安全及经济运行构成了一定威胁。 - Practical experiments proved that the filter eliminates harmonic interference and improves the signal-to-noise ratio effectively in power line communication.
通过实际数据验证了这种滤波器能够有效地抑制电力线通信信号中的谐波干扰，大大提高了信噪比。 - Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3K is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。 - Because of some characteristics of harmonic drive, such as high performance, low yawp, big velocity ratio, small volume and so on.
由于谐波齿轮传动具有高性能、低噪声、大速比及体积小等特点，这种超磁致伸缩谐波电机较传统超磁致伸缩电机的工作性能和可控制性能更加优越。 - According to the characteristic of output power in induction hearting power supply, the fundamental voltage content in output waveform of inverter should be increased as high as possible, which decreases total harmonic distortion ratio of output voltage, for improving the utilization ratio of inverter power supply.
通过对感应加热电源输出功率特性的分析，为提高逆变电源容量的利用率，应尽可能提高感应加热电源逆变器输出电压中的基波含量，减小输出电压的谐波畸变率。 - By model analysis, natural frequencies of horns are established; by harmonic response analysis, amplitude magnification ratio is obtained which is used as the optimal target to optimize horns.
通过模态分析确定了变幅杆的固有频率，通过谐振分析，得到振幅放大比，并将其作为优化目标函数对变幅杆进行优化。 - According to the resonance theory, the harmonic amplitude of pulse wave related to the ratio of blood distribution, these results indicate that in the case of fasting, the human body has a tendency to reallocate blood to adjust the energy distribution of various tissues and organs.
根据血液循环的共振理论，谐波的幅值跟血液分配的比例有关，这些结果显示，在禁食情况下，人体有一个重新分配血液的趋势，来调整人体各个组织和器官的能量分配。 - Now harmonic imaging becomes the standard method in commercial B-mode imaging. The intensity of harmonic components is much weaker than the fundamental. The low signal-to-noise ratio will degrade the image.
如今谐波成像成为了商业B型成像模式的标准成像方法，但谐波强度较基波弱很多，其较低的信噪比会产生不利影响。 - Besides, elastic elements like harmonic gears and torque sensors are always included inside light-weight robot joints to get higher load weight ratio and detect joint torque.
此外，为达到高减速比以及轻型化的目标，同时实现对关节力矩的检测，机械臂的关节内通常都含有谐波减速器以及力矩传感器等柔性元件。 - Precision of voltage, current and power meet the requirements, and it can measure harmonic ratio. This electric energy meter achieves the requirement of industrial and agricultural production.
电压、电流以及功率测量精度都满足要求，并且实现了各次谐波含有率的测量，达到了工农业应用的要求。 - The special-cage rotor is most likely used in large-capacity machine, but it has some disadvantages such as abundant harmonic contents and low conductor ratio, which decrease the efficiency and lead to the enlargement of the volume.
特殊笼型转子被认为最有可能应用于大容量电机，但是存在谐波含量大，导体利用率低等缺点，导致电机体积大、效率低。