这是itu 关于传真的系列文档，包括t4,t30,t38,v29,v27,v17,v21等-itu This is a series of fax documents, including T3 and T4, t30 and t38, v29, v27, v17, v21, etc.

详细介绍了各种图像文件格式，TIFF,HDF等，对各种图像格式的理解很有帮助。,Detailed information on a variety of image file format, TIFF, HDF, etc., on the understanding of a variety of image formats helpful.

OFDM系统仿真，包含了发射、信道估计、接受等完整的OFDM系统仿真-his simulation scr ipt set allows for an OFDM transmission to be simulated. Imagetx.m generates the OFDM signal, saving it as a windows WAV file. This allows the OFDM signal to be played out a sound card and recorde