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[matlabfinalreport

Description: matlab实现的多个基础程序和报告并有流程图(1) 绘出正弦信号波形及频谱。 (2) 单极性归零(RZ)波形及其功率谱,占空比为50%。 (3) 升余弦滚降波形的眼图及其功率谱。滚降系数为0.5。发送码元取值为0、2。 (4) 最佳基带系统的Pe~Eb\No曲线,升余弦滚降系数a=0.5,取样值的偏差是Ts/4。 (5) Pe~Eb\No,升余弦滚降系数a=0.5,取样时间无偏差,但信道是多径信道,C(f)=abs(1-0.5*exp(-j*2*pi*f*dt)),dt=Ts/2。 (6) 仿真数字基带传输系统,包括输入、输出信号波形及其功率谱,眼图(升余弦滚降系数a=0.5),Pe~Eb\No曲线,取样时间无偏差。 -matlab realize a number of the basis of procedures and reports and have flow chart (1) mapped sinusoidal signal waveform and spectrum. (2) unipolar return-to-zero (RZ) waveform and its power spectrum, 50 duty cycle. (3) Raised Cosine rolloff waveform eye diagram and power spectrum. Roll-off factor of 0.5. Send code values for the 0,2 million. (4) the best base-band system Pe ~ EbNo curve, raised cosine roll-off factor a = 0.5, sampling bias is the value of Ts/4. (5) Pe ~ EbNo, raised cosine roll-off factor a = 0.5, sampling time deviation, but the channel is a multipath channel, C (f) = abs (1-0.5* exp (-j* 2* pi* f* dt)), dt = Ts/2. (6) Simulation of digital baseband transmission system, including input and output signal waveforms and power spectrum, eye diagram (raised cosine roll-off factor a = 0.5), Pe ~ EbNo curve, sampling time deviations.
Platform: | Size: 311296 | Author: dongming | Hits:

[VHDL-FPGA-VerilogVHDL-ROM4

Description: 基于ROM的正弦波发生器的设计:1.正弦发生器由波形数据存储模块(ROM),波形发生器控制模块及锁存模块组成 2.波形数据存储模块(ROM)定制数据宽度为8,地址宽度为6,可存储 64点正弦波形数据,用MATLAB求出波形数据。 3.将50MHz作为输入时钟。 -ROM-based design of the sine wave generator: 1. Sinusoidal waveform generator by the data storage module (ROM), waveform generator control module and latch module 2. Waveform data storage module (ROM) custom data width of 8 , address width of 6, can store 64 points sinusoidal waveform data, waveform data are obtained using MATLAB. 3. To 50MHz clock as input.
Platform: | Size: 98304 | Author: 宫逢源 | Hits:

[matlabcode

Description: matlab用于信号发生器产生波形,正弦波,方波等-matlab for the signal waveform generator, sine wave, square wave, etc.
Platform: | Size: 13312 | Author: 毛名言 | Hits:

[OtherDSPII_USTC_01

Description: 传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。该代码实现了以下功能: 1) 借助MATLAB画出了滤波器的误差性能曲面和误差性能曲面的等值曲线; 2) 给出了最陡下降法以及LMS算法的计算公式; 3) 用MATLAB产生了方差为0.05, 均值为0白噪音S(n),并画出某次采样得到的波形; 4) 根据 2)中的公式,并利用 3)中产生的S(n),在 1)中的误差性能曲面的等值曲线上叠加画出了采用最陡下降法以及LMS法时H(n)的在叠代过程中的轨迹曲线; 5)用MATLAB计算并画出了LMS法时误差随时间n的变化曲线(对应S(n)的某一次的一次实现)和e(n)波形; 6)在 1)中的误差性能曲面的等值曲线上,叠加画出采用LMS法得到的100次实验中的H(n)的平均值的轨迹曲线; 7)最终对结果进行了分析,具体见压缩包的word文档。 -Wideband signal in the conventional sinusoidal interference suppression method is the use notch filter (notch filter), this requires precise knowledge of the frequency of a sinusoidal interference . However, when the interference frequency sinusoidal changes slowly , and the selected frequency characteristic requirements are very sharp , then best use of adaptive noise cancellation method . following figure is a second-order FIR LMS adaptive filter to eliminate a program sinusoidal interference . The code implements the following functions:   A ) draw with MATLAB error performance of the filter surface and the surface contour error performance curve 2 ) gives the steepest descent method and the LMS algorithm formula 3 ) generated using MATLAB variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform 4 ) based on 2 ) of the formula , and use 3 ) generated in S (n), in a ) the error performance curves superimposed on the surface contour pl
Platform: | Size: 313344 | Author: 邵曈 | Hits:

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