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The physical layer of WCDMA is explained in detail. The downlink physical channel structure, uplink physical channel structure and timing relationship between channels are described in detail.

巴特沃斯滤波器C语言实现,低通滤波器,IIR(Butterworth filter C language implementation, low pass filter, IIR)

GSM的架构说明,PPT,英文版,大学讲稿(GSM Architecture description, English version, university lecture notes)

说明：  手机GSM TI 平台 dma 驱动 源代码(Mobile phone GSM TI platform dma driver source code)

说明：  通信原理实验指导书,包括全部通信原理章节,原理分析,硬件解释,编程指导等(The communication principle experiment instruction book, including all the communication principle chapter, the principle analysis, the hardware explanation, the programming instruction and so on)

手机GSM TI 平台 dma 驱动 源代码(Mobile phone GSM TI platform dma driver source code)

我在上个世纪写的一个批量修改文件时间属性的精致实用小程序，在Windows下可用（开发环境：DOS,BC3.1）。 (I write in the last century, a batch of time to modify the file property of the exquisite small practical procedures can be used under Windows [Development Environment: DOS, BC3.1].)

说明：  巴特沃斯滤波器C语言实现,低通滤波器,IIR(Butterworth filter C language implementation, low pass filter, IIR)

OFDM principle, suitable for WiMAX beginners

虚拟仪器 声卡采集 信号一些低通滤波处理(Some Low-pass filter processing of signal collected by Virtual instrument Sound Card)