houghyuan

针对防空作战中空中目标航迹预测的问题,提出一种基于灰色理论的空中目标航迹预测方法.该方法通过建立等维新息残差修正GM预测模型,实现了航迹的实时在线预测,从而提高了预测精度.(method for predicting aerial target tracks in air defense warfare was put forward based on grey theory．establishing the predicting GM model of corrected residual error，on—line prediction of the target track could be realized in real time，and thus could improve the prediction precision.)

基于动态矩阵控制算法的模型预测控制， 预测控制(Dynamic Matrix Control Algorithm Based on the model predictive control, predictive control)

可以用来模拟光孤子通信系统，进而实现其中的滤波(Optical soliton communication)

matlab subroutine makes the global stiffnes matrix assebling of quadrilateral elements

buck of some think great that works hard and nice life is pretty and me also know do you accepet or not

手写数字识别 有GUI界面 能识别单个数字 识别率还是很高的(Handwritten numeral recognition with GUI interface to identify a single digit recognition rate is still very high)

speech recognition, butterworth filter

MATLAB 图像处理 纹理提取 小波变换(MATLAB)

3、 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。 (3, the Rayleigh channel modulation and demodulation, channel estimation: (1) Please derive the single-path Rayleigh channel coherent demodulation of BPSK BER performance theory, and draw the signal to noise ratio and bit error rate curves. (2) single-path Rayleigh channel, please design a division of the guide-assisted channel estimation method, using Simulink simulation, measurement of the BER performance of BPSK, draw-bit signal to noise ratio and bit error rate curve, and with (1) of the curves were compared. )

一种简易的电机模型 很好用啊 希望对大家有帮助啊(A simple motor model with very good ah we hope to help)