ipexlucy

说明：  提出了正交频分复用(O FDM ) 系统中一种新的载波频偏估计算法L 载波频偏估计过程可分 为获取和跟踪, 其中, 获取过程和时间同步是同时完成的L新算法可实现的最大载波频偏获取范围 是整个信号带宽的一半L新的跟踪算法是一个最大似然算法, 在加性白噪声高斯信道(AW GN ) 下, 当N (训练序列长度的一半) 等于128 时, 其性能比Schm idl 算法提高约7127 dB 在多经信道下, 当 信噪比不是很高时, 新算法仍具有优势L(new carrier f requency offset est imat ion scheme in o rthogonal f requency division mu lt ip lex ing (O FDM ) system is p ropo sed. The carrier f requency offset est i2 mat ion includes acqu isit ion and t rack ing, and acqu isit ion as w ell as t im ing synch ro2 n izat ion can be perfo rmed simu ltaneou sly w ith h igh accu racy. The max imum acqu i2 sit ion range can be up to one half of overall signal bandw idth. The p ropo sed t rack2 ing est imato r is a max imum 2likelihood est imato r, and in AW GN channel, abou t 7127dB imp rovemen t is ob tained compared to the Schm idl’s algo rithm w hen N = 128 in mu lt ipath channel, the p ropo sed algo rithm wo rk s w ell at moderate SNR.)

固定资产监测，内含源码，子函数，数字图像处理课程设计，参考冈萨雷斯的《数字图像处理MATLAB版》(Fixed asset monitoring, containing source, Functions, digital image processing course design, with reference to Gonzalez s Digital Image Processing MATLAB Edition )

The file contains matlab code for ask,Bpsk,msk,Bfsk,QPSK

这里是MVDR应用于数字波速形成技术，功能强大，同时附带两篇做的时候用的参考文献(This is the wave velocity of the formation of MVDR digital technology, powerful and at the same time doing two incidental references used)

《MATLAB神经网络30个案例分析》中的第23个例子，案例23 小波神经网络的时间序列预测-短时交通流量预测。希望对大家有一定的帮助！(The MATLAB neural network analysis of 30 cases of 23 example, 23 cases of wavelet neural network time series forecasting- short-term traffic flow prediction. Hope to have certain help to everybody! )

ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x 小波图像去噪( ch3=softt(h3,thr1 clear clc I=imread( lena512.bmp ) imshow(I) I=double(I) II=I+30*randn(size(I)) figure imshow(II,[]) [a1,h1,v1,d1]=dwt2(II, sym8 ) [a2,h2,v2,d2]=dwt2(a1, sym8 ) [a3,h3,v3,d3]=dwt2(a2, sym8 ) sigma=median(abs(d1(:)))/0.6745 x=3*sigma thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x )

not good - Cuckoo Optimization Algorithm for ANN cost ---​ Cuckoo Optimization Algorithm --- - Matlab Toolbox Ver. 1.0.1 - Programmed by- Ramin Rajabioun, 2011 + This code minimizes your cost function, so don t change any part of

陈关荣老师的《Lorenz系统族的动力学分析控制与同步》一书的电子版(Chen Guan-Rong teacher, " Lorenz Systems Family Dynamic Analysis of Control and Synchronization," a book of the electronic version of the)

CORDIC和查表法绘制频率为100khz的正弦波(CORDIC methods)

一个16QAM数字调制后的通信系统,包括信号发生器,调制器,信道传输,接收器,均衡器等部分(After a 16QAM digital modulation communication system, including the signal generator, modulator, channel transmission, receivers, and other parts of EQ)