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基于无速度传感器的异步电机调速系统，运用电流来合成磁链，控制方法是转子磁链定向。采用电流滞环控制，电网电压380V，转矩最大达30N.m。波形效果不错。(Based on speed sensorless induction motor speed control system, using current flux synthesis method for controlling the rotor flux orientation. Use current hysteresis control, grid voltage 380V, maximum torque of 30N.m. Waveform good results.)

在数学建模培训中，降落伞问题很是突出，联系此题对同学有很大的提高，从而程序也很重要。所以发此文件。(Parachute Su snow modeling program title race body)

vs2010之中 active x控件的 teechart使用 (This is a document about how to use active X control of the TeeChart in VS2010)

说明：  This file includes the codes for G/G/1 queueing method and its simulation results..

this program can simulate DBR OLED. structure of OLED is three DBR layer-anode-two grganic layer-cathode. with this program, ueser can optimize the thickness of DBR layer

可用于MATLAB伪随机序列的产生 可以直接使用(PRBS can help you in PRBS)

Realization of Horn-Antenna for plotting radiation pattern in matlab using finite difference time domain method

近似熵与样本熵的计算程序，还有快速计算样本熵与近似熵的程序(Approximate entropy and sample entropy calculation procedures, as well as the rapid calculation of sample entropy and approximate entropy program)

世界坐标系转换 二维和三维的坐标系compound(The world coordinate system transformation)

对数字信号进行二进制幅度调制，加载高斯噪声，然后在信号进行解调，比较解调后的信号与原始信号(Binary amplitude modulation, the digital signal to load the Gaussian noise, and then demodulates the signal, the comparison demodulation signal with the original signal)