1) switching frequency modulation
开关频率调制
3) random frequency PWM inverter
随机开关频率脉宽调制逆变器
4) switch frequency
开关频率
1.
Selection of switch frequency in direct current electromotor PWM modulation.;
极压仪中直流电动机PWM调速下开关频率的选取
2.
The DC-DC convertor features high switch frequency up to 1MHz using ultra-small inductors and ceramic capacitors.
应用PWM设计高可靠DC-DC变换器,其开关频率更高,可达1 MHz,这样减小了储能元件的尺寸,可采用陶瓷电容器,提高系统的可靠性,降低了成本。
3.
The reason of output current distortion is analyzed;and a new way to resolve the problem is put forward;it is controlling switch frequency changing in different sections according to system run state.
分析了引起输出电流畸变的原因,并提出可根据系统工况分段控制开关频率的方法来解决由这些原因引起的输出电流畸变。
5) switching frequency
开关频率
1.
Selection of phase-shift SPWM switching frequency
载波移相SPWM开关频率的选取
2.
Hysteresis control has disadvantage of unstable switching frequency.
滞环控制方法存在开关频率变化不定的缺点。
3.
To reduce the switching frequency and current error of a static synchronous compensator (STATCOM) for reactive power compensation, a novel direct current control strategy is proposed.
提出一种适用于STATCOM的直接电流控制新方法以减小开关频率和电流跟踪误差。
6) frequency modulation
频率调制
1.
Numerical analysis for the stochastic resonance of frequency modulation;
频率调制随机共振的数值分析
2.
A reflective dielectric resonator of performing frequency modulation for incident vibrated signal;
一种对振动信号实现频率调制的反射型介质谐振器
3.
Characteristic Analysis of Wavelength Tuning and Frequency Modulation of Coupled Cavity Laser Diodes;
耦合腔激光器的波长调谐与频率调制特性分析
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条