从双口网络的Z参数、Y参数出发，推导了星形、三角形网络转换在正弦稳态电路中的转换公式，引出其应用条件。
In this paper, starting from the conversion of Z parameters and Y parameters of two-port parameters, we deduce the formulas of wye-delta network transformation in sinusoidal steady-state.
探讨了常见非圆弧曲线的加工方法，并以椭圆及正弦曲线为例，叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
提出一种基于正弦加噪声模型的说话人转换方法，着重讨论通过修改音素段内的声学参数实现说话人的转换。
A voice conversion approach with a sinusoidal plus noise model is introduced and a parametric conversion algorithm based on phoneme segments is discussed in this paper.
二是正弦波网络：主要包括正弦量化的电流源整列和开关网络，电流电压转换器，二阶低通滤波器；
The second part is to design the sine wave networks circuits which is composed of sinusoidal current source array and switches, current to voltage converter (I-V converter), two staged LPF, etc.
该电源输入单一交流电压和频率，内部经过交流对直流；直流对交流的变流整流转换后，自行产生-非常稳定纯净的正弦波。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
正弦脉宽调制（SPWM）控制策略，采用建议的逆变器转换器来实现良好的动态调节。
The sinusoidal pulse-width modulation (SPWM) control strategy is employed in the inverter of proposed converter to achieve well dynamic regulation.
对信号进行分析时通常采用传统的傅立叶变换方法，傅立叶变换是时域和频域相互转换的数学工具，从物理意义上讲其实质是将信号分解成许多不同频率的正弦波的叠加。
It is normal to use the FFT method to analyze signals. This method is one kind of mathematical method that changes the time domain signals to frequency domain signal.
对信号进行分析时通常采用传统的傅立叶变换方法，傅立叶变换是时域和频域相互转换的数学工具，从物理意义上讲其实质是将信号分解成许多不同频率的正弦波的叠加。
It is normal to use the FFT method to analyze signals. This method is one kind of mathematical method that changes the time domain signals to frequency domain signal.
应用推荐