Jacobi_etc

数模2015A题程序设计，给定影子长度计算所在位置的经纬度。(MCM 2015A The program design of digital and analog question 2015A calculates the longitude and latitude of the position given the shadow length.)

软判决在OQPSK解调中实现对信号纠错的分析与应用(Soft-decision in OQPSK achieve signal demodulation analysis and application of error-correcting)

ECG心电图 峰值检测 Inputs ecg : raw ecg vector fs : sampling frequency view : display span of the signal e.g. 8 seconds (8 seconds is the default) Outputs indexes and amplitudes of R_i, R_amp, etc heart_rate computed heart rate buffer_plot : processed signal(ECG peak detect analysis Inputs ecg : raw ecg vector fs : sampling frequency view : display span of the signal e.g. 8 seconds (8 seconds is the default) Outputs indexes and amplitudes of R_i, R_amp, etc heart_rate computed heart rate buffer_plot : processed signal)

详尽介绍了matlab语言的函数应用，对于初学者很有帮助。是matlab学习的入门教程。(A detailed description of the matlab language function applications, very helpful for beginners. Is the matlab learning introductory tutorial.)

matlab中图形用户界面的教程，包含ppt及matlab程序(Tutorial of the graphical user interface in MATLAB, including PPT and matlab program)

说明：   质量矩阵M 平台质量矩阵(单位kN) 求解TMD减震作用( Mass matrix M platform mass matrix (in kN) solve the TMD damping effect)

课程设计时编写的matlab程序代码，模拟数据分析处理的过程，研究生时的现代信号处理的作业。( Course designed to prepare the matlab program code, Analog data analysis processing, Modern signal processing jobs when the graduate.)

基于FFT的比值算法，是用比值法实现的MATLAB程序。 (Based on the ratio of FFT algorithm, is the ratio method using the MATLAB program realize.)

Turbo decoder under awgn channel. (The input is: uncoded bits,coded bits 1,coded bits2(interleaved), LLR from other source(if use only one turbo code ,fill all zero is ok), numbers of iterations, interleaver between two CC, source bit,decoder id(if used in parreled connected turbo codes), interleaver between two sources(under the situation of two turbo codes).)

QMC5883L磁芯片开发，希望能给大家带来帮助(QMC5883L Magnetic core chip development, hoping to bring help)