fenleiqi

SIM300的封装，对于要用GSM搞硬件开发的人很(SIM300 package, for use GSM person engaged in the hardware development is)

matlab仿真LDPC码，对采样点数进行PPM编码，此代码加了保护时隙(The LDPC code is simulated by matlab, and the sampling points are encoded by PPM, which adds protection time slot.)

说明：  印度尼西亚大学电子学院的的OFDM程序,非常好,(The OFDM program of the School of Electronics at the University of Indonesia is very good,)

matlab实现16QAM调制解调的程序(matlab realize 16QAM modulation and demodulation procedures)

can、RS422通信，定时发送串口所接收数据(RS422, can communication, the timing of the serial port to send data received)

MIMO系统中基于压缩感知的有限反馈方法研究,D对研究有限反馈有很好的帮助。(MIMO systems with limited feedback based compressive sensing method study, D finite feedback of good help.)

本文介绍了基于DCT 的图像压缩编码技术, 并给出了具体的实现方法和步骤, 既保证具有较高的压缩比, 又保证了较好的图像 质量。(This paper introduces the coding of image based on DCT , therefore,shows the details of realization . It provides high compressibility and high quality.)

MIMO-OFDM信道估计中对不同信道的对比(MIMO-OFDM channel estimation for different channel contrast)

说明：  单频、宽带信号的线阵、面阵波束形成，用的是fft能量或者幅度求和的做法(Beamforming of linear array and area array for single frequency and broadband signals)

说明：  阐述了RS-485总线规范，描述了影响RS-485总线通信速率和通信可靠性的三个因素，同时提出 了相应的解决方法并讨论了总线负载能力和传输距离之间的具体关系。 (Described the RS-485 bus specification, describes the impact of RS-485 bus communication speed and communication reliability of the three factors, while the corresponding solutions presented and discussed the bus load capacity and the specific relationship between the transmission distance.)