GMSD

说明：  bpsk调制仿真，可直接用 1、数字调制方法 数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。 数字信号的传输方式分为基带传输和带通传输。然而，实际中的大多数信道（如）无线信道具有丰富的低频分量。为了使数字信号在带通信道中传输，必须用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。(1, digital modulation method Digital modulation is the transfer of the spectrum of a digital baseband signal to a high frequency to form a bandpass signal suitable for transmission in the channel. The basic digital modulation methods are amplitude keying (ASK), frequency shift keying (FSK), absolute phase shift keying (PSK), and relative (differential) phase shift keying (DPSK). At the receiving end, the digital baseband signal can be restored by using dry demodulation or non-coherent demodulation. Digital signal transmission methods are divided into baseband transmission and bandpass transmission. However, most channels in practice, such as wireless channels, have rich low frequency components. In order for a digital signal to be transmitted in a band channel, the carrier must be modulated with a digital baseband signal to match the signal to the characteristics of the channel.)

编写的基于LTE的SC_FDMA程序，其中包括调制、IFFT、子载波映射（分布式和集中式）、FFT及加CP。自己编写，可以运行。(LTE-based SC_FDMA written procedures, including modulation, IFFT, sub-carrier mapping (distributed and centralized), FFT, and plus CP. I have written, you can run.)

基于时间抽取的8~1024点FFT的程序及输入、输出，用TMS320C54x汇编编写，已通过调试，并对输入方波信号进行FFT变换，检验输出信号是否是一sin波形(Based on the time taken from 8 to 1024 points FFT process and the import, export, and to prepare a compilation TMS320C54x through debugging, and enter the square wave signal FFT transform, testing whether the output signal waveform is a sin)

说明：  批量提取风云4A-LMI闪电成像仪资料中的经纬度、强度并输出(Batch read FY4-LMI data and output the longitude, latitude, intensity.)

信道为瑞利信道，S_D的距离为1米，三跳协作通信系统中S_R、R1_R1、S_D的距离均为1/3米。调制方式为BPSK,信噪比在-15dB-15dB间，接收端合并方式为ERC,迭代次数为1000(The channel is Rayleigh channel, the distance of S_D is 1 m, and the distance of S_R, R1, S_D in three-hop cooperative communication system is 1/3 M. The modulation mode is BPSK, the signal-to-noise ratio is between - 15dB and 15dB, the receiver merge mode is ERC, and the number of iterations is 1000.)

RFID防碰撞技术 ALOHA算法的matlab仿真(RFID anti-collision ALOHA algorithm)

数字图像的DSP处理算法，FFT以及其它…… (DSP digital image processing algorithms, FFT, and other ... ...)

说明：  28035的GPIO配置例程，实现流水灯相关的功能(28035 GPIO configuration routines for implementing water-light related functions)

中间位置算法，算术平均值算法，最小熵反褶积最好去去噪算法。(The algorithm of median location, arithmetic mean algorithm and minimum entropy deconvolution are the best denoising algorithms.)

JIAOBANJI hardware and firmware develop, and realize the speed contrl and over current protection.