模拟源

大型管道声发射模拟源定位的试验研究

Study of Location by Use of Acoustic Emission Simulated Source on Pipelines

二维分离型声发射模拟源定位研究

Research about two dimensional location of discrete AE simulated source

脉冲X射线模拟源技术的发展

The Development of Technology for Pulsed X ray Simulators

GPS信号模拟源及测试技术研究和实现

GPS Singnal Simulation Source Test Technology Research and Implementation

基于FPGA的卫星图像模拟源系统设计

Design of Simulative Satellite Image Resource System Based on FPGA

星载SAR目标回波信号模拟源的研制

Spaceborne SAR Echo Simulator Based on PC

ISAR信号模拟源中国古诗体探源

ISAR Signal Simulator Searching for the Source of Ancient-Style Poetry

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 .

主要分析了MOS器件的效应机理、总剂量效应试验模拟源以及各种模拟源辐射环境的测量方法。

Mechanisms of total dose effects in MOS circuits , radiation sources , and some investigation of dosimetry are studied respectively .

设计并实现了基于直接数字合成技术（DDS）的SAR系统点目标回波模拟源，该模拟源主要包括ARM控制单元和DDS线性调频信号源两个部分。

SAR point target echo simulator which based on DDS chirp signal generator is introduced ; it is composed of ARM controller unit and LFM signal generator unit .

介绍了采用SCM（单片机）+FPGA（现场可编程门阵列）实现复杂雷达信号模拟源的设计。

This paper introduces the design of the complex radar signal simulator with SCM ( single chip micyoco ) + FPGA ( field program gate array ) .

本文最后叙述了雷达系统硬件仿真平台中，模拟源与信号处理板之间的PCI接口卡的设计。

The last chapter of this paper gives considerable attension to the part of the radar simulation system design , which is Design of PCI-based Data Transmission Card .

运用环境舱模拟源排放的方法采集了烹调油烟与环境烟草烟雾的样本，对18种PAHs进行了定量分析。

PAHs from cooking fume ( CF ) and environmental tobacco smoke ( ETS ) were collected by simulating source emission in an environmental chamber .

另外，本文还讨论了回波模拟源的硬件系统，并且通过硬件描述语言的编程，在软件上仿真实现了FPGA模块的功能。

In addition , this dissertation also introduced the hardware structure of this project , and we implemented the function of the module of FPGA in the simulation software by means of the HDL language .

FPGA具有电子系统小型化、低功耗、高可靠性、开发周期短和成本低的优点，正在越来越多的取代传统上ASIC，所以本文采用FPGA作为逻辑控制芯片开发作测试用途的图像数据模拟源板卡。

FPGA has being more and more to replace the traditional ASIC because of its electronic system miniaturization , low power consumption , high reliability , short development cycle and low cost advantages .

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 . This simulator is mainly based on the parameters of the SAR and the satellite orbit .

描述了FPGA内部综合数据产生及逻辑控制设计，包括LVDS控制模块和综合数据产生模块，并设计了数据模拟源与上位机之间的通信协议。

Describing the generated of synthetic data and the designed of control logic inside the FPGA , include the LVDS control module and data generation module , designing the communication protocol between source and host computer .

以D-T中子源和200~反应堆中子源为已知模拟源，对一个任意中子源进行了最小二乘法拟合。

An arbitrary spectrum was simulated by the least squares fit , using the D-T spectrum and the 200 # spectrum as known spectra .

分析并设计了模拟源的硬件电路，详细论述了LVDS接口电路、FPGA配置电路、输出接口电路及供电电路设计。

Analysis and design of the hardware circuit of digital simulation sources , detailed discuss the design of the LVDS bus , the FPGA configuration circuit , single ended output circuit , differential output circuit and power supply circuit .

ISAR（逆合成孔径雷达）信号模拟源主要用于在地面条件下方便快速地检查ISAR的综合成像能力，亦可作为ISAR的调试设备和检测设备。

ISAR ( Inverse Synthetic Aperture Radar ) Signal Simulator is mainly used to rapidly and conveniently detect the synthetic imaging ability on the ground . It could also be an adjusting and detecting equipment of ISAR .

监控设备通过RS-422异步串行接口与伺服分机接口、终端和标校模拟源以及发射分系统互相通信，并控制其运行。

Monitoring equipment through RS-422 asynchronous serial interface and servo extension interface , terminal and calibration simulation source and emission system communicate with each other , and to control its operation .

针对动态二进制翻译，本文提出了若干种优化方案：提高在目标机器上模拟源机器标志位效率的EfLA算法；

To implement dynamic binary translation effectively , several optimized methods come up in this thesis : EfLA algorithm to enhance the efficiency of emulating the condition code of the source platform on target platform ;

调控装置自检系统及模拟源的设计

Design of Self-testing System and Analog Signals Source for Regulating Device

内嵌高斯白噪声模块的可编程卫星信号模拟源

A Programmable Satellite Signal Source with Gauss White Noise Embedded

激光测距仪距离模拟源技术研究与精度分析

Distance source of laser range finder and its precision analysis

设计并实现了卫星图像模拟源。

Design and implement the Satellite Image Simulation Resource .

机载多普勒雷达模糊回波模拟源的研究

The stdy of an ambiguous echo simulation model for the Airborne Doppler radar

一种新型噪声模拟源的电路设计

A Novel Circuit Design for Noise Analog Generator

太阳、地球、卫星相关模拟源设计

Design of sun earth satellite mutuality signal source

原位检测仪与模拟源的设计

A design of detection instrument and analog source