SPWM

dsPIC33FJ32MC202，AD、Timer、GPIO例子程序，编译环境为MPLAB8.35！(DsPIC33FJ32MC202, AD, Timer, GPIO example program, compile environment for MPLAB8.35!)

说明：  对多音干扰、单音干扰、线性扫频干扰进行仿真(Multi-tone interference, single-tone interference and linear sweep interference are simulated)

说明：  一种基于独立分量分析的改进算法． 可用于瞬时混合的盲分离．(based on independent component analysis algorithm improvements. For transient mixed Blind separation.)

Abstract—In this paper, we study the joint estimation of inphase and quadrature-phase (I/Q) imbalance, carrier frequency offset (CFO), and channel response for multiple-input multipleoutput (MIMO) orthogonal frequency division multiplexing (OFDM) systems using training sequences. A new concept called channel residual energy (CRE) is introduced. We show that by minimizing the CRE, we can jointly estimate the I/Q imbalance and CFO without knowing the channel response. The proposed method needs only one OFDM block for training and the training symbols can be arbitrary. Moreover when the training block consists of two repeated sequences, a low complexity two-step approach is proposed to solve the joint estimation problem. Simulation results show that the mean-squared error (MSE) of the proposed method is close to the Cramer-Rao bound (CRB). Index Terms—MIMO OFDM, CFO, I/Q imbalance, channel estimation.

通过霍夫变换，实现延直线上信号的积累，达到提高信噪比的目地，以利于检测。(By Hough transform, the accumulation of signals in the certain straight line, to improve the SNR of the signal.)

用于通信方向中的信道估计，使用的语言是matlab(Used for channel estimation in the communication direction, the language used is matlab)

dsp中有著數學的轉換方法稱為IQ_math把不同的小數點轉換至相同的座標上(have IQ_math function)

This source code support for mcbsp in DSP C6000 of Texas Instrument

DSP2812中 PIE中断向量表的头文件(PIE Interrupt DSP2812 Medium Scale headers)

这是TI的代码经过我整理调试运行 适用MSPG2553单片机的(This is TI' s code after I finishing debugging running the applicable MSPG2553 microcontroller)