【摘要】 生命的无损检测技术是以人体特性为基础,通过研究电磁波束照射人体而反射信号的波形规律,了解人体受到微动所调制而使得回波信号的某些参数的变化特性,从而提取出人体生命参数。描述了以DSP&FPGA为核心构造的人体信号的探测装置的研究。通过回波的频率和相位特性分析,确定了生命信号检测系统的最佳参数。在此基础上设计了一套便携式生命探测仪,硬件系统主要由DSP处理器、LCD图形显示器、雷达电磁波单元等组成。软件系统由信号处理算法模块、显示模块、信号发射与接收模块等构成。更多还原

【Abstract】 The lives of nondestructive testing technology is based on the characteristics of human, which on the laws of reflection waveform signals that the electromagnetic wave by the human body can be understood the human body by micro-echo signal modulation resulting in changes in the characteristics of some parameters in order to extract parameters of human life.It describes the research of the human signal detection device, which is based on DSP & FPGA as the core.Through changing characteristics of the frequency and phase analysis of the reflection waveform signals can been made the best parameters of detection system of the life.On this basis, I design of a life portable detector whose hardware system is composed of the DSP processor, the LCD graphics display and electromagnetic waves units of the radar.Software system is made up of the signal processing module,the display module,the signal emitting and receiving modules,etc.更多还原