回波信号模拟是合成孔径雷达模拟技术的基础。
Echo signal simulation is the foundation of SAR simulation technology.
雷达信号模拟主要是对雷达目标和环境回波信号的模拟。
The radar signal simulation is mainly used to simulate the signal of the target and its condition.
介绍了回波信号模拟设备的自动检查与测试部分的系统结构。
This article introduces the architecture of a self-testing system for echo signal simulator.
在雷达导引头的研制过程中，雷达信号模拟源是关键的实验设备。
In the development of a radar seeker, the radar signal simulator is a key experimental facility.
考虑到成本因素，采用遥测参数和数据格式均可编程卫星信号模拟源。
Considering the cost factor, the telemetry parameters and data formats for programmable satellite signal source are needed.
介绍了基于FPGA设计并实现了一种雷达信号模拟、采集与处理的系统。
A general radar signal simulation, acquisition and processing system based on FPGA is designed and implemented.
从理论上分析，设计的校相信号模拟源完全能满足系统自动校相的精度要求。
And the theoretic analyze shows this signal simulating source could fully meet the control accuracy requirement for system auto phase correction.
本文共四章：第一章主要介绍了开发高动态gps卫星信号模拟源的背景和意义。
It contains four chapters: in the first chapter, the background and significance of developing the high dynamic GPS satellite signal simulator are presented.
试验结果表明：本方案实现的可编程卫星信号模拟源能够满足多数卫星测试的需要。
The test results indicate that this kind of programmable satellite signal source can satisfy most satellites'test requirements.
本文介绍了我们在心室晚电位研究过程中所研制成功的生理弱电信号模拟处理电路。
An analogic processing circuit for weak physiologic electric signal, which has been developed in the course of researching ventricular late potential, is introduced in this paper.
雷达信号模拟主要对雷达目标和环境回波信号的模拟，以达到真实复现雷达回波信号的目的。
The radar signal simulation is mainly used to simulate the signal of the target and its condition, in order to get true reappearance of the radar signal.
设计的信号模拟电路精确模拟了光纤陀螺输出信号的波形，给计数卡提供了准确的输入测试信号。
The designed signal simulation circuit can precisely simulate the output signal waveform of fiber-optic gyro, offer accurate input signal to counter card.
本文研究了计数式光纤陀螺输出信号模拟的方法、电路设计及计数卡的具体实现电路和软件编程方法。
This paper presents the simulation method and the circuit design of output signal for counting type fiber-optic gyro, and the realization circuit and software programming method of counter card.
为研究前馈控制的适用性，选择不同的信号模拟负荷变化，对比前馈控制对不同干扰形式的调节效果。
For the study, the choice of applicability feed-forward control of different load simulation signal and contrast of different forms of feed-forward control regulation of interference.
回波信号模拟是SAR模拟技术的基础，它在SAR系统和成像算法的研究中，具有十分重要的作用。
The echo signal simulation is very important to the study of the SAR system and the imaging methods , is the foundation of the technology of SAR simulation.
实验表明，本文所研制的光栅信号模拟发生器满足设计要求，可应用于光栅传感器后续处理电路的调试和检验。
The experiments prove that the grating simulating signal generator in this paper fulfils the requests and can be used in the debugging and testing of grating sensor's succeeding circuits.
研究了利用激光暗室进行的激光侦察告警辐射式仿真测试模式，提出利用激光指示信号模拟装置的仿真测试方案。
Laser reconnaissance and warning radiation lab simulation test mode in laser extinctive chamber is analyzed. A simulation test project using laser designating simulator is proposed.
论述了星载合成孔径雷达（SAR）回波信号模拟源的一种实时实现方法和基于PCI总线与CPLD的硬件设计。
This paper introduces a real-time spaceborne SAR simulator and the hardware design based on the PCI bus and CPLD chip.
第5章详细介绍了为实现对突发式光收发模块的测试而设计的突发信号模拟产生器的基本原理与各部分功能电路的实现。
Chapter 5 particularly introduces basic principle of the circuit of the burst mode signal generator used for the testing of the burst mode optical transmitter and receiver module.
本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达，包括目标信号、地杂波信号和噪声信号的模拟与仿真。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
在空调电控板测试诊断系统中采用了软件信号仿真和硬件信号模拟相结合的设计方法，最后采用多线程、多优先级的编程技术进行实现。
This system is designed by employing the method of combining signal emulation with signal simulation in addition to multithreading and multi-priority programming technology.
模拟信号由直流和交流分量、频率和相位四部分组成。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
典型应用包括信号处理、密集的物理模拟及某些数据处理。
Some example applications are signal processing, intensive physics simulations, and some kinds of data processing.
传统的视频线，包括VGA和复合视频线，只能传输模拟视频信号。
The traditional video cables, including VGA and Composite video, transmit analog video signals only.
多数无线电技术使用模拟信号，而现代无线远程通讯使用数字传输。
While most radio technologies have used analog signals, modern wireless telecommunications are using digital transmissions.
船员们与任务指挥中心间的任何通讯都会有20分钟的延迟，以模拟信号到达地球所需的时间。
Any communication between the crew and mission control will be subject to 20-minute delay to simulate the time it would take for signals to reach Earth.
在边境、格拉纳达和西南地区，已经实现了数字转换，全国的其余大部分地区未来两年内将关闭模拟信号传输。
The switchover has happened in the Border, Granada and South West television regions, with the majority of the rest of the country turning off the analogue signal over the next two years.
这不是“数字电视”——模拟的组合视频信号变为数字信号以利传输，由变回到模拟信号用以在模拟电视机上显示图像。
This is not "digital television" — it is a normal composite video signal for analog television converted to a digital format for transmission and then converted back to analog for display.
第一代技术，或1G，是模拟信号，只能传输语音通话。
The first generation, or 1g, technology was analog and transmitted voice calls only.
第一代技术，或1G，是模拟信号，只能传输语音通话。
The first generation, or 1g, technology was analog and transmitted voice calls only.
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