The general mathematical expression of the several kinds of pseudo-random code modulation pulse trains—PRBC,PPM.
给出了几种常见伪随机码调制脉冲串信号的统一数学表达式,包括脉间伪随机二相编码脉冲串信号、伪随机脉位调制脉冲串信号、伪随机脉位调制与二相编码复合脉冲串信号,以此为基础,简要推导了统一的幅谱函数和相关函数表达式,具体分析了各自的特性并对其进行了仿真。
In this paper,to meet the requirements of cipher in the signal transmission of IFF system,the pseudo-random code is introduced.
敌我识别系统的核心技术之一是询问信号与应答信号的加密传输,针对信号传输中对密码的要求,文中引入了伪随机码,基于剪接筛法设计了能产生2048个两两相异的5级M序列的电路,并对该电路进行了仿真,仿真结果验证了该设计的正确有效性。
The principle of pseudo-random code phase-modulation fuze was described simply.
介绍伪随机码调相引信原理,在此基础上提出瞄准式欺骗性干扰机方案,并对各部分电路进行理论论证和硬件实现,主要包括利用扫频源和Costas环对伪码调相引信信号进行解调,基于FPGA的伪码序列识别和重构,干扰波形的调制发射等。
Application of pseudorandom code in absolute photoelectric angle encoder;
伪随机码在绝对式光电轴角编码器中的应用
The principle of detection by pseudorandom code is illustrated in this paper.
文中阐述了伪随机码探测原理。
For targets of limited size, the principle of detection of laser fuze using the pseudorandom code is studied and the distance model of laser fuze analyzed.
以有限大目标反射为应用对象,探讨伪随机码激光引信探测机理,同时对激光引信作用距离模型进行分析,得出了激光引信各主要参量之间的关系。
The design and implementation of pseudo random code identification and reconstruction;
伪随机码识别及重构系统设计与实现
Research on Tracking System for Pseudo Noise Code in Spread Spectrum Receiver;
扩频接收机中伪随机码跟踪系统的研究
Choice and Implement of PN Sequence in Spread Spectrum Communication System in ASIC Chip′s Development;
扩频通信芯片开发中伪随机码的选择及实现
A New IPMP System Based on Pseudo - random - code in MPEG - 4;
一种基于伪随机码序列的MPEG-4的IPMP系统的设计
The Research of Method of the Large Step Fast Acquisition of the PN Code and Digitalization Design;
伪随机码的大步进快速捕获方法研究及数字化实现
Reasch of Detect the Status of Underground Metal Pipeline s Anticorrosive Layer by the Technique of Pseudo Random Code;
采用伪随机码技术检测地下金属管道防腐层状况的研究
The Study of PN Code Acquisition Detection Method for DSSS Based on Wavelet Analysis
基于小波分析的DSSS系统伪随机码捕获判定方法的研究
Three-step correlation approach to finding correlation peak value in pseudo random code modulated ultrasonic distance measurement
三步相关法确定伪随机码超声波测距的相关峰值
Simulation of Pseudorandom Sequence in Lossy Layered Media and Its Application
伪随机码在有损层状介质中的正演模拟及其应用
Study on Pseudo Random Pulse Position Modulation and Pseudo Random Coded Phase-modulation Compound Fuze
伪随机脉位调制与伪码调相复合体制引信研究
The Compound Modulating Scheme of PRPPM-PRBC Fuze
先伪码调相后伪随机脉位调制的复合调制方案
POWER SPECTRUM ANALYSIS OF PN COMBINED CODE DIGITAL MODULATION WAVEFORMS
伪随机复码数字调制波的功率谱分析
Pseudo-Random Coder Design of Radar Signal Based on FPGA
基于FPGA的雷达信号伪随机编码器设计
Research on the Identified Technique of Image Based on Multicolor Pseudo-random Code
基于彩色伪随机编码的图像识别技术研究
Parasitic AM and Phase Error in Pseudo-Random Binary Codes
伪随机二相编码信号的寄生调幅与相位误差
Study on Encryption and Anti-counterfeiting Technique Based on Random Phase Encoding Algorithm
基于随机相位编码的加密与防伪技术研究
Methods for Generating Secure Pseudorandom Floating Point Numbers;
密码安全的伪随机浮点数发生方法研究
Pseudo-Random Color Encoded 3D Characterization Technology in 3D Vision Detect;
三维视觉检测中的伪随机彩色编码特征化技术