chapter5_1

Matlab制作的阴历阳历日历小程序，仅供练习使用，不错的小例子！！！(Matlab Gregorian lunar calendar produced a small program, only to practice the use of a good small example! ! !)

1) 已知x=[1:15], y=[12 34 56 78 99 123 165 198 243 277 353 345 303 288 275], 用多项式进行拟合，给出拟合多项式，(所选拟合多项式阶数不同，拟合结果不同，请你选择适当的阶数进行拟合)，并绘出原始数据点、拟合曲线和95％置信区间（confidence bounds）的图形 . 2) 根据下面数学模型建立仿真模型，并在一个示波器中把它们的波形仿真出来。 (1) are known to x = [1:15], y = [12 34 56 78 99 123 165 198 243 277 353 345 303 288 275], with polynomial fitting, given the polynomial fitting, (the election order polynomial fitting different fitting results to differ, please select the appropriate order of fit), and draw original data points, fitting curve and 95 confidence interval (confidence bounds) graphics .2 ) In accordance with the following mathematical model for the establishment of simulation model, and in an oscilloscope waveform in their simulation out.)

Matlab环境下 纽阶堡（Neugebauer）分色算法。(Matlab environment Neugebauer color separation algorithm.)

本程序为《结构分析的有限元法与Matlab程序设计》的源程序，与书本配套，同时也是学习《有限单元法》入门的相关资料。教材提供梁、杆单元等一系列的编程案例。(This procedure is "structural analysis of finite element method and Matlab programming" source code, and books supporting, but also learning "finite element method" entry related information. The textbook provides a series of programming cases, such as beam and rod units.)

用于读取全极化微波辐射计的亮温资料，windsat的亮温数据是sdr68格式的数据。(Used to read the full polarization microwave radiometer brightness temperature data, the brightness temperature data in windsat is sdr68 formatted data.)

smith圆图工具MATLAB版本,可以方便的进行阻抗匹配。(smith circle diagram tool MATLAB versions, you can easily carry the impedance matching.)

matlab实现黄金分割法求非线性函数的极值问题，含实例(MATLAB Golden Section min)

power electric simulation in matlab simulink

说明：  基于遗传算法的优化bp神经网络的源代码，希望对大家有所帮助(Bp neural network genetic algorithm optimization)

直接序列扩频系统（DS，Direct Sequence）又称为直接序列调制系统或伪噪声系统（PN 系统），简称为直扩系统，是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱，在收信端，用相同的扩频友序列进行解扩，将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率，所以受调信号的频谱宽度将远大于要传送信息的频谱宽度，帮称之为扩频(Direct sequence spread spectrum (DS, Direct Sequence) modulation system, also known as direct sequence or pseudo-noise system (PN system), referred to as direct expansion systems, is currently the more widely used as a spread spectrum system. To send the information encoded by the pseudo-random sequence of carrier modulation. End of winter in the letter to extend the signal with the spreading sequence of spectrum, in the end prepared to receive and use the same sequence spread spectrum despreading friends, broadening the spectrum to restore the original signal expansion signals. Because the rate of pseudo-random sequence is much larger than the rate of information to be sent, so the frequency spectrum by adjusting the width of the spectrum is much larger than the width of the information to be sent to help is called spread spectrum)