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利用最小二乘解法进行离散数值拟合，得到逼近曲线(Discrete least-squares method for the use of numerical simulation, the approximation curve)

说明：  matlab基础教学系列，一步步熟练掌握matlab(the door to matlab)

AC motor, dq transformation,

利用人頭轉移函數鍵麗的濾波器,重建環繞音效.可調整音場角度.(The use of the head of the filter transfer function key Korea, reconstruction surround sound. Adjustable sound field angle.)

matlab基础实例源文件 matlab基础实例源文件(matlab examples of source files based on the basis of examples of the source file matlab)

高质量的基于感兴趣编码的仿真程序，可以直接运行，观看仿真结果(Interest coding based on high-quality simulation procedures can be directly run to watch the simulation results)

reflectance spectrum of 1d PhC

包含快速傅里叶变换，有源滤波器仿真图形，对故障电流信号进行派克矢量变化等等。(Contains fast Fourier transform, active filter simulation graph, the fault current signal parker vector change and so on.)

Offset quadrature phase-shift keying (OQPSK) is a variant of phase-shift keying modulation using 4 different values of the phase to transmit. It is sometimes called Staggered quadrature phase-shift keying (SQPSK).

直接序列扩频（Direct Sequence Spread Spectrum）工作方式，简称直扩方式（DS方式）。就是用高速率的扩频序列在发射端扩展信号的频谱，而在接收端用相同的扩频码序列进行解扩，把展开的扩频信号还原成原来的信号。(irect Sequence Spread Spectrum (Direct Sequence Spread Spectrum), hereinafter referred to as Direct expansion mode (DS). Is a high rate of spread spectrum sequence extension in signal spectrum, and at the receiving end with the same spread spectrum code sequence for expansion, the expansion of the spread spectrum signal back into the original signal. )