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- This paper shows a new wave of non sinusoidal oscillation of mold new trapezoid and the establishment of its equations of velocity. 提出了一种新的结晶器非正弦振动波形新梯形波，并建立了该振动波形的速度表达式。
- 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 method how to select the waveform parameters is discussed.The synchro control model of this non sinusoidal oscillation is derived. 另外，还对其波形参数的选择方法进行了探讨，导出了该非正弦振动的同步控制模型。
- A waveform of non sinusoidal oscillation for continuous casting is given.The relations between the waveform parameters and oscillation process parameters are discussed. 给出了一种用于连铸生产的非正弦振动波形，并对其波形参数和振动工艺参数进行了讨论。
- 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。
- 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
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Its voltage has not been exceeded. 它的电压没有超过。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- 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
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- non sinusoidaladj. 非正弦的
- non sinusoidal current 非正弦电流
