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分析了机载扩跳频体制电台的测试需求,利用公共技术平台与开放式软件结构、高性能硬件系统与Matlab/Simulink组成一体的集成开发环境,采用高速DAC/ADC、DSP/FPGA、宽带多模式频率合成器、数字IF处理、总线等技术,实现扩跳频信号的产生,满足机载扩跳频体制电台接收机性能指标的测试需求。研制过程中,解决了DSP/FPGA及实时数字信号处理、宽带多模式频率合成、模块化体系结构设计等问题。
This paper analyzes the testing requirements of airborne spread spectrum frequency hopping radio system. The integrated development environment is composed of public technology platform, open software architecture, high performance hardware system and Matlab / Simulink. The high speed DAC / ADC, DSP / FPGA, Mode frequency synthesizer, digital IF processing, bus and other technologies to achieve the generation of spread spectrum frequency signals to meet the test requirements of radio receiver performance indicators for airborne frequency hopping system. During the development, DSP / FPGA and real-time digital signal processing, broadband multi-mode frequency synthesis and modular architecture design were solved.