costas

comparisions of texture and colour features for image retrival

超宽带系统链路matlab仿真程序 超宽带系统简单仿真平台，有简单界面.包括可替换的脉冲成型（半余弦脉冲）、IEEE802.15.3a的修正SV信道、最大似然信道估计、Rake接收机等模块，可以实现monte carlo仿真求误码率。可添加多址接入、编码等功能（维特比编解码、帧同步的程序由本人同学编写）。入口主程序uwbsim.m 编解码程序：bin2deci.m；bini2deci.m；deci2bin.m VITRBI.m 信道及信道估计：ch_est.m；channel.m；channelgenerator.m；conv_m. m；sigfold.m UWB_SV_channel.m uwb_sv_cnvrt_ct.m uwb_sv_eval_ct.m uwb_sv_model_ct.m uwb_sv_params.m Rake接收机：findpeak.m；MRC_combine.m；MRC_Rake.m；n_upsample.m；selectpath.m 其他：cnv_encd.m；dssignal.m；Eb_halfcos.m；waveshape.m；halfcos_generator.m；metric.m；nxt_stat.m；sim_main.m；spreadgren.m；test_code.m；training_ds.m；uwbsim.m；vit_test.m(UWB system links Matlab simulation program UWB simple system simulation platform, A simple interface. including replacement of the pulse shaping (semi-cosine pulse). IEEE802.15.3a amendment SV Channel, the greatest likelihood channel estimation, the Rake receiver modules. can be achieved monte carlo simulation for BER. They can add multiple access, coding, and other functions (Viterbi codec, frame synchronization procedures prepared by my classmates). Edit the entrance uwbsim.m codecs : bin2deci.m; bini2deci.m; deci2bin.m VITRBI.m Channel and Channel Estimation : ch_est.m; channel.m; channelgenerator.m; conv_m. m; sigfold.m UWB_SV_channel.m uwb_sv_cnvrt_ct . m uwb_sv_eval_ct.m uwb_sv_model_ct.m uwb_s v_params.m Rake : findpeak.m; MRC_combine.m; MRC_Rake.m; n_upsample.m; selectpath.m Other )

基于EMCA368国际标准的物理层超宽带协议的基本仿真程序,都是自己编写的(Based on international standards EMCA368 UWB physical layer protocol of the basic simulation program, are prepared in their own)

GPR DETECTION TARGET

介绍经验模态分解的emd算法上下包络线的形成过程(Introduction emd empirical mode decomposition algorithm for the upper and lower envelope formation)

LM2576/LM2576HV开关型降压稳压器电子技术手册(LM2576/LM2576HV)

RLS与LMS算法分析及比较，经调试可用。(RLS and LMS algorithm analysis and comparison, the debugging is available. )

采用fdtd方法，分别计算平面波照射到1维层介质的反射与透射以及在理想介质中的传播，场源可为高斯源或者正弦源，可以直观理解趋肤深度和边界概念(By fdtd method, were calculated to 1-dimensional plane wave radiation reflection and transmission media layer and spread in an ideal medium, the field for the Gaussian source or sources can be sinusoidal source, you can intuitively understand the concept of skin depth and the boundary)

Io out put current of pv modul for grid connected pv system

多因子量化选股策略，包括数据导入，分组，回测分析(Multi-factor stock selection strategies to quantify, including data import, grouping, backtesting analysis)