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- Haar wavelet transform is implemented at one level as the sinusoidal voltage signal is sampled at fixed intervals. 新相子由实小波域的复信号组成,所需的小波变换只须在第1个尺度上进行。
- The classic way for the synthesis of a sinusoidal voltage is the PWM with PID controller in relation to a reference sinusoid,which have poor robustness. 传统的开关型正弦电压源采用的是PWM技术与PID控制相结合的方法,它是对参考正弦信号的跟踪控制,鲁棒性较差。
- SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves. SPWM(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列,用来近似正弦电压波。
- Each single-phase static inverter adopts two-stage approach, a DC/DC stage followed by a DC/AC stage. The DC/DC stage converts 270VDC to 180VDC with isolation, and the DC/AC stage converts 180VDC to 115V/400Hz sinusoidal voltage. 单相静止变流器采用两级式结构,前级为DC/DC级,将270V直流变换为180V直流,并实现电气隔离,后级为DC/AC级,将180V直流逆变为115V/400Hz交流。
- A new algorithm is proposed to detect the phase of sinusoidal voltage output from the inverted power supply so as to make the high-precision control of power supply inversion easy to implement. 针对逆变电源输出正弦电压相位检测问题提出了一种新颖的算法,使高精度逆变控制易于实现。
- The sinusoidal voltage and current distribution on the line of each frequency component is obtained by the phasor equation for the transmission line and the source and load impedances. 将传输线上不同位置电压及电流之频谱以快速富氏反转换即得传输线上不同位置之近似电压及电流脉波。
- simple sinusoidal alternating current 正弦交流电流
- Study of RL Circuitry Transient Response Under the Driver of Simple Sinusoidal Alternating Voltage Source 正弦交流电压激励下RL电路瞬态响应的研究
- Variable Structure Control Based Sinusoidal Voltage Source 基于一种新的变结构控制思想的开关型正弦电压源
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- analysis of a periodic function into a sum of simple sinusoidal components. 周期函数解成简单正弦曲线之和的分析。
- analysis of a periodic function into a sum of simple sinusoidal components 函数解成简单正弦曲线之和的分析
- Small savoury biscuits provide a simple appetizer. 可口的小饼乾就是简单的开胃品。
- A slide-rule is a simple analogue computer. 计算尺是简单的模拟计算机。
- I like my clothes to be simple but elegant. 我喜欢朴素但漂亮雅致的衣服。
- I think this problem is very simple and clear cut. 我认为这个问题非常简单明白。
- My father was a simple farm-worker. 我父亲是个普通的农民。
- Two from five is a simple subtraction. 五减二是简单的减法。
- Study of Fundamental Wave Equivalent Circuit and Dynamic Characteristics of DBD-Type Ozone Generator Powered by Medium-Low Frequency Sinusoidal Voltage 中低频正弦电压供电DBD型臭氧发生器基波等效电路与动态特性研究
- They are just simple country folk. 他们只不过是普通的村民。
