基于TD-SCDMA与DSP2407的微弱通信信号检测系统设计

针对无线通信过程中,传统系统对微弱通信信号检测准确度不高的问题。本文分析了微弱通信信号传递的极化特性,利用电波的极化特性优化双极化天线的方法,基于TD-SCDMA双极化天线技术,设计并实现了基于TD-SCDMA双极化天线的微弱通信信号检测系统,根据TD-SCDMA双极化天线技术实现微弱通信信号的检测,采用TM320LF2407 DSP2407芯片的脉冲信号检测系统的设备,分析了信号检测系统的硬件结构设计,分析双极化天线下微弱通信信号的网络规划,在该网络规划条件下通过匹配滤波幅值检测完成微弱通信信号的检测。实验结果说明,所提检测系统能够满足微弱通信信号的实时检测和精度要求。

Based on TD-SCDMA and DSP2407 to weak signal detection system design

For wireless communication process, the traditional system to the problem of weak signal detection accuracy is not high. Weak communication signals are analyzed in this paper, the polarization characteristics of polarization characteristics of waves was used to optimize the method of dual polarized antenna, based on td-scdma dual polarization antenna technology, designed and implemented based on td-scdma dual polarized antenna of weak signal detection system, according to the td-scdma dual polarized antenna technology realization of weak signal detection, adopting TM320LF2407 DSP2407 chip pulse signal detection system of the equipment, the hardware structure design of signal detection system are analyzed, the analysis of the weak signal under the dual polarized antenna network planning, under the condition of the network planning by matching the filter amplitude detection of weak signal detection. The experimental results indicate that the proposed detection system can satisfy the real time detection of weak signal and accuracy requirements.