一个简单的429协议实现的VHDL语言代码，具备基本的429数据字的收发功能，并且仿真通过，效果一般。(A simple 429 protocol to realize the VHDL language code, with basic data words of 429 transceiver functions, and through simulation, the effect of general.)

跑马灯-是移位寄存器 有6个灯，无延时entity-Bomadeng-shift register is a six lights, without delay entity

这是一个HDB3编码器，可以将普通的二进制序列转化为符合HDB3编码规则的双极性序列-This is a HDB3 encoder, can be transformed into an ordinary binary sequences in order to comply with the rules of HDB3 bipolar coding sequence

ask调制，基于VHDL仿真平台，解调同样给出，此程序经过验证-ask modulation, based on VHDL simulation platform, demodulator is the same, this procedure proven

说明：  一种基于FPGA的调频连续波方位向多通道 FMCW SAR的实时成像信号处理方法及FPGA，包 括：步骤一、计算重构矩阵；步骤二、重构方位向 多通道数据，包括：步骤2 .1、对各个通道的回波 数据沿方位向分别间隔补零，并进行方位向傅里 叶变换；步骤2 .2、将方位向傅里叶变换之后各个 通道方位向相同位置的点组合为一个向量并与 重构矩阵相乘，得到重构完成的方位向数据；(An azimuth multichannel FMCW based on FPGA FMCW SAR real-time imaging signal processing method and FPGA, package Including: Step 1: calculate the reconstruction matrix; step 2: reconstruct the orientation Multichannel data, including: step 2.1, echo of each channel The data is compensated with zero along the azimuth direction respectively, and the azimuth Fourier is carried out Step 2.2, after the azimuth Fourier transform The points of the same position in the channel azimuth are combined into a vector and are connected withThe reconstruction matrix is multiplied to get the reconstructed azimuth data Step 2.3. Repeat step 2.3 for the data of different distance gates)

DDS的VHDL程序，相当好，值得下载，共享才是王道(DDS, VHDL program is quite good, worth downloading, sharing is king)

Meyers wavelet. DWT VHDL.

8位并行转穿行发送程序，波特率可自行设置，经检验有实用效果(8-bit parallel transfer walk through the sending program, the baud rate can be set up their own practical effect inspection)

基于BCH码的ECC纠错算法，可纠错2位错误码，供参考(Based on BCH code ECC error correction algorithm, two error codes can be corrected for reference.)

usb1.1的设备控制器IP核，是用verilog硬件描述语言写的-USB1.1 IP core for device control, written with hardware describing language of Verilog.