Signal-analysis

frequency domain filters

this is a ebook on matlab

matlab的数学源程序，可做调用：二分法，用于近似求方程的根(matlab erfenfa：mainly used in rooting)

将自适应信号处理中的RLS和LMS算法应用到信道均衡中去，用对比图和眼图研究性能。(Adaptive signal processing RLS and LMS algorithm is applied to channel equalization go, with comparison chart and eye research performance.)

一维光子晶体缺陷层位置对带隙的影响，层厚度为1/4个波长，选择不同的缺陷层位置(Effect of one-dimensional photonic crystal defect layer position on the band gap )

matlab下，用dspbuilder编写的 2psk调制和解调的例程。适合新手学习。(Under matlab, prepared dspbuilder 2psk modulation and demodulation routines. For beginners to learn.)

BPSK与QPSK调制解调系统的Matlab仿真程序； 发送滤波器与接收滤波器均为根升余弦滚降滤波器； 信道噪声为加性高斯白噪声； 绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线进行对比。 (BPSK and QPSK modulation and demodulation systems Matlab simulation program transmit and receive filters are root raised cosine filter roll-off filter channel noise is additive white Gaussian noise draw BER BPSK and QPSK modulation with a letter under noise ratio graph and compare with the theoretical curve.)

QRcode标准，非常不错的学习和编码资源，有需要的朋友请下载。(QRcode standard)

高频地波雷达距离多普勒和方位联合估计算法(An Algorithm for Target Range, Azimuth Angle and Doppler Frequency)

基于小波变换的水印嵌入，经过验证，可以顺利执行通过。(Based on Wavelet Transform watermark embedding, a proven, successful implementation can be adopted.)