正弦

基于DSP的同步正弦信号设计与实现

Design and Realization of a Sine Signal Synchronous based on DSP

DSP数字信号处理器的浮点数正弦的实现

Research of Float Sine Based on DSP Digital Signal Processor

基于FPGA的高精度数字式三相基准正弦信号发生器的设计与实现

High-Accuracy Digital Three-Phase Reference Sine Wave Signal Generator Based on FPGA

一种基于FPGA的正弦信号发生器的实验方法

An Experimental Method of Sine-Wave Signal Generator Based on FPGA

在此基础上用正弦函数的高次幂作为光栅的槽形函数编写了介质膜光栅衍射效率计算程序，数值计算结果表明了C方法在计算介质膜光栅衍射效率的可行性。

The feasibility of calculating the diffraction efficiency of dielectric reflection grating with C method are proved with computation results .

非正弦周期电路CAI课件的研制

Development of Non - sine Period Circuit CAI Courseware

非正弦周期电流电路的CAI

CAI of non - sinusoidal periodic current circuit

DSP控制的IPM正弦逆变电源系统硬件电路设计

Design of the DSP Controlled Sine-Inverter Hardware Circuit Using IPM

一种新的基于纠正正弦图探测值的PET图像Bayesian重建算法

A new Bayesian reconstruction algorithm for PET images based on correction of the detected sinogram data

正弦脉动流场对CaCO3在PP熔体中的分散作用

Dispersion of caco_3 in melted PP under sine pulsating flow field

本文首先讨论并分析了各种插值DFT（离散傅里叶变换）算法，然后提出了一种实正弦信号的快速插值频率估计方法。

Some interpolated Discrete Fourier Transform ( DFT ) methods are analyzed .

最后推导得出任意二端口以及多端口网络的四个参数：Y参数、Z参数、H参数和G参数，所得结果适用于正弦稳态下任意线性非线性二端口以及多端口网络。

This result is applicable to any two - and multiple-port networks with linear or nonlinear components in sinusoidal steady state .

利用S，P，Q和N构成功率四边形，由S，P和Q计算非正弦交流电路的基波功率因数cos（？）

If S , P and Q are known , using the power quadrangle can compute the fundamental harmonic power factor cos (?)

基于PFC的非正弦电力系统参数检测

Parameter measuring in nonsinusoidal electric power system based on PFC

Chirp哈特利、Chirp余弦、Chirp正弦变换

Chirp Hartley , Chirp cosine and Chirp sine transforms

最后采用PID控制策略，给出了微流控系统的阶跃、矩形和正弦响应曲线。

Finally , by using PID control strategy , the step , rectangular and sinusoidal response curves of the systems are given .

正弦函数作用下的Martin过程

Martin Process on Sine Function

本DDS程控正弦信号发生器系统基于计算机串行接口。

This DDS program-controlled sine signal generator system is based upon computer 's serial interface .

基于单片机MSP430的正弦输出波形设计

The Design of Sinusoidal Wave 's Output Based on SCM MSP430

APF的作用是测试电源电流，迫使电源电流为正弦电流。

The APF works measuring the source currents , forcing them to be sinusoidal .

最后利用比较容易实现的正弦脉宽调制（SPWM）的方法，调试了系统的硬件电路。

Finally , we debug the hardware by means of SPWM method easily realized .

本文研究了一种基于连续正弦波形（CSW&ContinuousSinusoidalWaveform）的甚低速率语音编码算法。

A very low bit rate speech coding algorithm based on CSW ( Continuous Sinusoidal Waveform ) is proposed .

RL一阶电路在正弦输入下的暂态过程

The Transient Process of RL First Order Circuit Under Sinusoidal Excitation

针对编码器莫尔条纹原始信号的正弦性、正交性、等幅性及含直流电平这几种典型特征，利用Matlab仿真对产生误差的原因进行单项分析评估。

The sine 、 orthogon ality 、 equal-amplitude and direct current voltage characteristics of encoder 's analog signals are each evaluated by simulating evaluation method using Matlab .

笔者用MATLAB语言编写的一种符号电路分析程序，该程序具有极其简单的文本输入格式，能有效地进行电阻电路分析、正弦稳态分析和复频域电路分析。

A symbolic analysis program is developed using MATLAB . This program has free format input . It can analyze resistive circuits , sinusoidal stead-state and s-domain circuits .

因此，拓展了该类瞬时混沌神经网络的输入输出函数的范围：从单调的logistic型、周期的正弦型输入输出函数延伸至本文讨论的更一般形式输入输出函数。

Therefore it expands the bound of input-output functions , especially from monotone logistic function and period sinusoidal function , to more general function in this thesis .

三相PWM整流器可以做到输入电流正弦、单位功率因数、直流电压输出稳定，具有良好的动态性能并可实现能量的双向流动。

Three-phase PWM rectifiers have many virtues such as sinusoidal input currents , unity power factor , steady output voltage , good dynamics and bin-directional energy Flow .

在闪光无法与旋转物体角移严格同步时，为进行CT图像重建，需对这些随机投影的投影角进行识别和确定其在正弦图上的位置。

In case of no way to make synchronizing between the flash and the rotating , one has to identify the angle of all the random projections on the Sinogram before doing CT image reconstruction .

其中寻找环形伪影在正弦图中的位置是最为关键的步骤，当然插值方法的选择直接决定最终CT图像环形伪影去除的效果。

Seeking the location of ring artifacts in Sine graph is the key step , but the final image quality after removal of artifacts mostly depends on the choosing of the way of the interpolation .

本文针对PAM型逆变器的输出波形正弦化问题提出了加权目标函数的概念和指标最优化的设计方法。

This paper proposes the concept of the weighting target function and the design method of the indicatrix optimization for PAM inverters .