Analyzes digital microwave signal ECM methods-reconnaissance positioning, interception and jam; 分析了对数字微波信号实施电子对抗的策略方法-侦察定位、截获分析和实施干扰。
Advanced Microwave Signal Proc-essing in Telecommunication, Radar, and Electronic-Warefare Systems 电信、雷达和电子战系统中的先进微波信号处理
Microwave equipment, microwave measuring equipment, microwave signal source, microwave equipment also very special value. 微波仪器方面,微波测量仪器、微波信号源、微波专用仪器也极具应用价值。
A method of LIDAR for ocean exploration is presented, where microwave signal was modulated on laser pulses and the modulated optical pluses were transmitted into water. 这里介绍了一种水下探测技术,以激光脉冲信号为载波,将微波信号加载到激光脉冲上进行调制编码,调制编码信息由光信号携带进入水下。
Microwave Photonic Filters and Their Applications in Microwave Signal Generation and Radio-over-Fiber Systems 微波光子滤波器及其在微波信号产生和Radio-over-Fiber系统中的应用
Microwave Signal Generation and Processing Based on Electro-optic Phase Modulator 基于电光相位调制器的微波信号产生与处理
A New Technique for ECM Channel Sound optical Microwave Signal Processing 一种新型电子对抗通道声光微波信号处理技术
A demodulator demodulates the received reflected signal, which has superimposed on it the microwave signal which originates from the microwave generator. 解调器解调接收的反射信号,该信号叠加在微波发生器产生的微波信号上。
Optical Quantization Technique for Microwave Signal Based on Double Channel Sampling 基于双路采样非相干叠加的微波信号光量化技术
Automatic microwave signal generator 自动微波信号发生器
Study on the Application of Fiber Bragg Grating in Microwave Signal Processing 光纤光栅在微波信号处理中的应用研究
The polarization beam splitter ( PBS) and polarization beam combiner ( PBC) were utilized to form dual loop structure to suppress the side modes of microwave signal without adding active device. 利用偏振分束器和合束器在不增加有源器件的基础上形成双环路结构抑制微波信号的边模。
Study on the Optical Comb Filter and Its Applications in Optical Communications and Microwave Signal Processing 光梳状滤波器在光通信和微波信号处理中的研究及应用
Digital radial frequency memorizer ( DRFM) with high-speed sampling and digital recording as its technical foundation has the ability to memorize and playback radial frequency and microwave signal, can actualize wireless detecting of capability of radar equipment. 数字射频存储器(DRFM)采用高速采样和数字存储作为其技术基础,具有对射频和微波信号的存储和再现能力,可实现对雷达设备性能的无线检测。
Based the above work, we can extend the frequency range of microwave signal source to millimeter wave band. 基于以上工作本文按照毫米波对信号源的要求,着力于解决系统内各部件的相互协调,完成Ka频段信号可调功率输出,实现了微波频率源的毫米波扩展。
The microwave circuit unit is composed of microwave signal resource, low noise amplifier and microwave detector. 测量系统采用了微波信号源、低噪声放大器和微波检波器等组成微波电路单元。
A New Method for Improving and Monitoring Phase Noise in Microwave Signal 一种改善和监视射频或微波信号相位噪声的新方法
The modulation technology of transparence transmitting microwave signal over laser link is designed in the paper, including direct modulation and microwave frequency conversion modulation. 设计采用了激光链路透明传输微波信号的调制技术,包括直接微波信号调制和微波信号变频调制两种方案。
Digital Radio Frequency Memory ( DRFM) is a kind of microwave signal storage system, which can sample and store an incident RF signal, and then reconstitute the signal upon command from the controller. 数字射频存储器(DRFM)是一种微波信号存储系统,它能够对输入的射频(RF)信号进行采样和存储,并根据控制指令进行信号重构。
A study on the phase noise measurement of microwave signal generators 微波信号源相位噪声测量的研究
According to ITU proposal, microwave link is used to Ka band, the scheme of transparence transmitting microwave signal over laser link was designed, including direct modulation transmission and microwave frequency conversion transmission. 采用ITU(国际电信联盟)推荐的Ka波段为星间微波链路的通信频段,设计了采用激光链路透明传输微波信号的系统方案,包括直接微波信号传输和微波信号变频传输的两种方案。
Microwave signal transmission over space optical communication system 微波信号在空间光通信系统中的传输
The surface of the parabolic reflector antenna is the most important part in receiving microwave signal. 微波反射面是进行微波接收的重要工作面,其形状主要是抛物面或者抛物面的一部分。
Optical fiber delay line is one of important technologies for the applications in microwave signal processing. 光纤延时线技术是微波信号处理领域中非常重要的一个发展方向。
Therefore, the optical analog-to-digital conversion for microwave signal has been investigated in this dissertation. 因此,本论文以微波信号光学模数转换方法为研究对象。
Ultra-wideband microwave imaging techniques is presented and the principle is that different organizations with different electromagnetic parameters have different effects on the microwave signal, Using this information carried by the echo signal to locate and imaging breast cancer. 在这种环境下,超宽带微波成像技术应运而生,其基本原理是利用不同生物组织具有不同的电磁参数特性对微波信号产生不同的作用,利用回波信号中携带的这种信息对乳腺肿瘤进行定位和成像。
In this paper, we built a simulation model of the microwave photonic link, studied the dual-wavelength microwave photonic link linearization technology and achieved the all-optical broadband microwave signal down-conversion based on cascaded phase-modulators. 本论文对微波光子链路进行建模与仿真,研究了双波长的微波光子链路线性化方案,实现了基于相位调制器级联的宽带微波信号全光下变频。
We have designed specifically signal source by phase-locked frequency-doubling technology, and elected oscillator of temperature compensated and controlled by voltage as a reference signal source, this will improve the frequency accuracy of microwave signal source, reduce phase noise and spurious waves. 我们采用锁相倍频技术设计了所需的特定频率,并且选择恒温补偿压控振荡器作为参考信号源,这对提高微波信号源的频率精度,降低相位噪声以及抑制杂波有极大的促进作用。
Microwave digital phase shifter is a kind of microwave control circuit. Its main function is to control the phase of the microwave signal so that the phase can meet the need of the system. 微波数字移相器是一种微波控制电路,其主要作用是对微波信号的相位进行控制以满足系统的需要。
Microwave signal generator technology experienced from analog to digital analog mixed development process. Currently, the Microwave source which has high performance and complex function is more and more depend on digital control technology. 微波信号发生技术经历了从模拟到数字模拟混合的发展过程,目前高性能、功能复杂的微波频率源越来越依赖数字控制技术。