three-nodes-bar-element

说明：  使用二次样条小波的多尺度小波分解及重构算法，为非抽样小波(wavelet transform using quadratic spline wavelet filters)

基于matlab编程的，用于仿真光纤折射率传感特性(Simulating the Refractive Index Sensing Characteristics of Optical Fibers)

设计Chebyshev I型滤波器 [b,a]=zp2tf(z,p,k) 转换为传递函数形式 [H,w]=freqs(b,a,n) 求得传递函数的频率特性 magH2=(abs(H)).^2 求得传递函数的幅频响应(matlab code)

永磁同步电机的直接转矩控制（仅仅适用于学习的初步阶段)(Direct Torque Control of Permanent Magnet Synchrous Control using zero vector(Created by Gao yaoyao coming from North China Electric Power University))

单载波频域均衡的完全编码，包括了调制解调，独特字，传输模拟，信道估计，频域均衡器设计等等完全的理论。(Single-carrier frequency domain equalization, including modulation/demodulation, unique words, transmission simulation, channel estimation, frequency-domain-equalizer design, etc.)

第一，二种边界条件的三次样条插值法matlab代码(First, the two kinds of boundary conditions of the cubic spline interpolation matlab code)

Crisfield nonlinear Analysis

pls算法集合，包含表格数据读取，过程变量降维、潜变量的投影方式(pls、pca algorithm)

多个脉冲积累后可以有效地提高信噪比，中频积累时要求信号间有严格的相位关系，即信号时相参的，所以称为相参积累。(Multiple pulse accumulation can effectively improve SNR, if integration requires strict phase relationship between signals, whereby the signal coherent, so called coherent accumulation.)

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