一种多通道数字接收机的设计与测试方法  

Design and Test Method of a Multichannel Digital Receiver

作　　者：史磊 晏怀斌 于骏申 SHI Lei;YAN Huaibin;YU Junshen(Shanghai Marine Electronic Equipment Research Institute,Shanghai 201108,China)

机构地区：[1]上海船舶电子设备研究所,上海201108

出　　处：《测控技术》2023年第7期80-86,共7页Measurement & Control Technology

基　　金：国家自然科学基金(U2241277)。

摘　　要：设计了一种可用于测控系统的多通道数字接收机,结合性能指标测试,表明该接收机具有有效性和通用性。重点阐述了该多通道数字接收机设计组成和下属各模块的设计原理,通过对幅度相位一致性、短路噪声、固定增益和采集预处理效果等接收机关键性能指标开展仿真测试和数据分析,给出某型测控设备中的实际测试结果,验证了设计的多通道数字接收机满足某型测控系统实际使用需求。针对特定功能的测控系统,可通过尝试调整接收机相关模块的设计参数,为特定功能接收机设计提供参考。A multichannel digital receiver for measurement and control system is designed.Combined with the performance index test, the effectiveness and universality of the receiver are shown.The design composition of the multichannel digital receiver and the design principle of its subordinate modules are emphasized.Through the simulation test and data analysis of the key performance indexes of the receiver, such as amplitude and phase consistency, short-circuit noise, fixed gain and acquisition preprocessing effect, the actual test results in a certain type of measurement and control equipment are given, which verifies that the designed multi-channel digital receiver meets the actual use requirements of a certain type of measurement and control system.The measurement and control system with other specific parameters can provide reference for the design of the receiver with specific functions by trying to adjust the design parameters of receiver related modules.

关 键 词：多通道 数字接收机 信号调理 采集预处理 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]