基于bp算法的手写字体识别

这是关于安卓手机端通过蓝牙采集人心电信号，然后通过解码，滤波，心电信号显示的程序文件。(This is the end of Android phones via Bluetooth signals collected people, and then decoding, filtering, ECG display program files.)

在对能量收集传感网中的压缩感知技术的学习研究过程中，探讨了满足RIP下，所需的测量数m；允许MSE下，可实现的系统延迟；利用LDT，分析SNR不均匀性对k限制特征值的影响。(For energy harvesting sensor networks in the compressed sensing technology learning research, discusses meet the RIP, the required number of measurements m allow MSE, the delay can be implemented system the use of LDT, analysis SNR heterogeneity on k limit the impact of eigenvalues.)

為jacobi與gauss seidal迭代法 只要把A,b,N更換成你要的即可(To jacobi and gauss seidal iterative method as long as the A, b, N you want to replace)

该代码为多频外差四频相移的原理程序，开发环境为MATLAB,可以帮助初学者快速了解外差法的原理。(The code on multiple frequency heterodyne principle of four frequency phase shift process, development environment of MATLAB, can help beginners to quickly understand the heterodyne principle. )

image processing matlab BWFilter

这是一个非常好用的MATLAB学习资料，对初学者有很大的帮助(This is a very easy to use MATLAB learning materials, a great help for beginners)

CFO estimation in OFDM. In this we estimated the CFO using schmidl & Cox estimation, Mengali & Morelli and Least Square estimation Method.

QPSK全数字接收机PDF，详细介绍了QPSK全数字接收机的构成，环路滤波器、内插器、Gardner定时恢复等部分的详细设计(QPSK digital receiver PDF, details of the composition of QPSK digital receiver, loop filter, interpolator, Gardner Timing Recovery and other parts of the detailed design)

说明：  Levenberg-Marquardt算法 使用Levenberg-Marquardt算法来最小化(Levenberg-Marquardt algorithm using the Levenberg-Marquardt algorithm to minimize the model)

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