查询词典 ripple voltage

If the DC load is very demanding of a smooth supply voltage, a 稳压器 may be used either instead of, or in addition to, the capacitor-input filter; this serves both to remove the last of the ripple and to deal with variations in supply and load characteristics.

是否要求非常严格的顺利供应电压直流负载而不是或除了到电容输入筛选器，就可使用一个稳压器；这是同时删除纹波的最后一个，应付供应变化和负载特性。

In the new design, two additional capacitors with their corresponding switches are implanted, so as to eliminate the output voltage ripple caused by the equivalent series resistance of the output capacitor in traditional method.

在设计中采用两个附加的对称电容器以及相应的开关，以减少由于输出电容的等效串联阻抗造成的输出电压纹波电平。

In this system,the VVVF(variable voltage variable frequency) control method based on magnetic flux trajectory is applied.In the system,it is the target for the magnetic flux linkage polygon to be greatly approximate to the ideal magnetic flux circle.Considering such limitations as the low speed torque ripple,high speed real time and the working frequency of switching element,through the subsection synchronization control method by applying different numbers of magnetic flux linkage polygon for different frequency range,the perfect precision specifications for speed can be obtained.

系统采用基于磁通轨迹法的他控式变频调速方案，以磁链多边形尽量逼近理想磁通圆为目标，并考虑低速转矩脉动、高速实时性和开关元件的工作频率限制等约束条件，通过采用分段同步控制方式，在不同的频段采用不同的磁链多边形边数，使系统获得了优异的转速精度指标。

Chapter 5 deals with some variables's basic relations of synchronous /full-wave rectifier/LCR circuit, the effects of parameters on output voltage ripple and dynamic characteristics are presented.

第五章着重分析了凸极同步发电机一桥式整流—LCR电路的一些基本运行规律。研究了影响输出直流电压脉动和动态特性的主要因素，以及滤波参数、电机饱和、阻尼绕组对特性的影响。

Therefore, these converters provide a low-ripple power over broad ranges of input voltage and load current.

因此，这些转换器可提供比输入电压和负载范围广泛的低纹波电流。

7 To 3.3 V operating supply voltage 44.1 kHz sampling frequency 16.9344 MHz (384fs) system clock Built-in crystal oscillator circuit 16-bit, MSB rst, rear-packed serial data input format ( 64 fs bit clock) 8-times oversampling digital lter · 32 dB stopband attenuation ·+0.05 to -0.05 dB passband ripple Deemphasis lter operation · 36 dB stopband attenuation ·-0.09 to +0.23 dB deviation from ideal deem- phasis lter characteristics Attenuator · 7-bit attenuator (128 steps) set by microcontrol- ler Soft mute function set by parallel setting ·(approximately 1024/fs total muting time) Mono setting · Left or right channel mono selectable by micro- controller Built-in innity-zero detection circuit , two-channel D/A converter · 3rd-order noise shaper · 32fs oversampling Built-in 3rd-order post-converter low-pass lters 24-pin VSOP package Molybdenum-gate CMOS process

2.7至3.3 V工作电源电压为44.1千赫的采样频率16.9344兆赫（384fs）系统时钟内置晶体振荡器电路的16位，MSB在前，后包装的串行数据输入格式（64飞秒位时钟）8倍超采样数字滤波器·32分贝的阻带衰减·+0.05至-0.05分贝通带纹波去加重滤波器的运作·36 dB抑制频宽衰减·-0.09到0.23 dB的偏差认为不理想，症状困扰评估滤波特性衰减器·7位衰减器（128级）集由单片机在-莱尔软静音功能的平行设置·（共约1024/fs静音时间）单声道设置·左或右声道单声道微控制器可选的内置的无限零检测电路Δ，两通道的D / A转换器·第三阶噪声整形·32fs过采样内置三阶后转换器的低通滤波器24引脚VSOP封装钼栅CMOS工艺

If frequency and pule width ratio of PWM are changed, the ripple of current, torque and so on are only influenced, when average value of armature circuit voltage is constant.

若保持电枢电路电压平均值不变，改变PWM的频率和占空比，只影响电枢电流和转矩等的脉动。

Due to hexagon flux control or six-section circle-flux used in traditional direct torque control,it is easy to form large torque ripple twelve section control method of voltage select table and the implementation was presented.

由于传统的直接转矩控制采用六边形磁链控制或六区间的圆形磁链控制，容易造成转矩脉动大。

But the accurate calculation of AC line voltage distortion and DC voltage ripple is rather difficult.

为了提供高品质的电力，电源的交流电压波形畸变率和直流电压纹波倍受关注，但其精确计算比较困难。

The relationship between output voltage and capacitance in switched-capacitor DC-DC converter was investigated,and the reasons for output voltage ripple in the converter were analyzed.

研究了开关电容DC-DC变换器输出电压与电容的关系，分析了变换器输出电压波纹产生的原因。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。