电磁环境

由理论计算和大量试验分析得出：此方法用来确定舰船通信天线优化布置，了解电磁环境分布是正确可行的。

Through the comparison of theory computation with test results , it is concluded that it is correct and feasible to adopt this kind of method for determining communication antenna optimization arrangements and realizing the EME distribution .

滑窗式FFT电磁环境监测系统的设计

A Sliding Window FFT Electromagnetic Environment Monitoring System Design

FPGA在恶劣电磁环境下的抗干扰设计

The Anti-jamming Design of FPGA in Bad Electromagnetic Circumstance

特定电磁环境下北斗一号系统与GPS组合接收机天线的设计与评估

Design and Evaluation of " BD-1 " System & GPS Combined Receiver Antenna for Special Environment

基于PCI总线接口的电磁环境自动测试系统

Automatic Measuring System of Electromagnetic Area Based on PCI Bus

LoranC导航系统电磁环境模拟器设计与实现

Design and Implementation of Electromagnetic Environment Simulator for LORAN C Navigation System

本文首先分析了铁路电磁环境和OFDM在这种电磁环境下信道衰落的特性，并在此基础上分析了OFDM信道衰落特性对视频数据的影响特点。

And on the basis of the characteristics of OFDM channel fading to analyze the impact on video data . According to above analysis .

为了减轻测试人员的工作强度，提高测试工作的效率和准确率，开发基于PCI总线的电磁环境自动测试系统。

In order to improve the efficiency and accuracy of testing , the automatic measuring system of electromagnetic area based on PCI bus is designed .

WPAN应用电磁环境中干扰模型的分析及仿真

Analysis and simulation of the jamming model of WPAN application EM environment

在通信信号电磁环境模拟器的联调中，HF背景信号达到了各项预期指标。

The background signal of HF wave band achieves the expectant targets in the debugging of the signal electromagnetic environment simulator of the wireless communication system .

针对电磁环境模拟器应用设计了一个全固态UHF波段多级宽带线性高功率放大器。

A multi-stage UHF broadband linear high power amplifier ( PA ) is designed for the application as an electromagnetic environment simulator .

在电磁环境保护和ADSS光缆悬挂设计时，都需要计算出空间任意点的最大场强值。

The maximal electric field of each point should be calculated in electromagnetic environment protection and setting ADSS .

±500kV直流输电系统电磁环境调查研究

Research on the EM Environment of HVDC Transmission System

500kV超高压送变电工程环境影响评价超高压及特高压输电线路的电磁环境研究

A Study on Environmental Impact Assessment on 500 kV Extra-high Tension Power Transmission Engineering

飞机进近着陆系统电磁环境建模与仿真在解脱方面，采用基于GP的解脱方案路径规划方法并对环境建模方法进行了研究。

Modeling and Simulation for Electromagnetic Environment of the Approaching Landing System for Aeroplane In the aspect of conflict resolution , appliance of GP in on-line route planning .

某110kV半户内变电站周围电磁环境监测及分析

Electromagnetic Environment Monitoring on a 110 kV Half Indoors Substation

针对“北斗一号”（“BD-1”）系统与GPS系统组合接收机在特定电磁环境下的需求，设计了一种组合接收机天线。

In order to satisfy the need of " BD-1 " system & GPS combined receiver for special environment , a combined receiver antenna has been designed .

文中分析了雷达与外部电磁环境之间的双向兼容性问题，并对所采取的窄带接收机、数字直接合成（DDS）频率源和副瓣对消技术作了介绍。

We analyze bi-directional compatibility between radar and outside electromagnetism circumstance and also bring a detailed introduction to narrowband receiver , DDS ( Digital Direct Synthesis ) frequency synthesizer and side lobe cancellation ( SLC ) .

由于舰艇电磁环境极其复杂，合理分配、布局舰艇通信系统资源，使舰艇通信系统各设备协调工作，满足电磁兼容（EMC）要求是保障通信畅通的必要条件。

Due to the complex electromagnetic environment of ship , it is necessary to appropriately distribute and layout resources of the communication system of ship , to make them work coordinately and to satisfy requirements of EMC .

内容涉及嵌入式MCU应用系统接口EMI特点，系统可靠性设计原则，汽车电磁环境分析与接口特点，车载通信终端的抗干扰设计。

It includes works for : the EMI characteristic of the the embed MCU application system interface , the design rules of system reliability , automotive electromagnetic environment and interface characteristic , anti-interference design of automobile-mounted communication terminal .

以多方的调查测量和自身在电磁环境（EME）里的感受，借助对典型标准的分析，提出应重视的电磁污染现象，并给出了符合人体可承受的电磁辐照安全限值。

From survey , measurement and self-impression in electromagnetic environment and with the aid of typical standard analysis , proposed that the community showed lay stress on electromagnetic pollution and propose tolerable electromagnetic radiation value .

根据军地无线电管理机构对高时效性的无线电磁环境区域性评估系统的需求，确立《基于3S移动监测技术的无线电磁环境区域性分析》课题。

The program of < < the wireless EM environment territorial analysis under the technology of 3S mobile monitor > > is established out of the wireless administrant organization 's need about the high time effect territorial evaluation system of wireless EM environment .

Z型塔是一种为提高山区线路的绕击耐雷性能而设计的新型杆塔，研究它的耐雷性能与电磁环境对合理进行线路设计、保证线路安全可靠运行、满足环境保护的要求具有重要意义。

So a new tower called Z tower was designed specially for improving lightning withstand performance of shielding failure . Study on the Lightning Protection Performance and electromagnetic environment of Z tower has important significance to reasonable circuit design , safe and reliable line operation and requirements of environmental protection .

近年来我国±500kV直流输电工程的建设发展迅速，随之带来的电磁环境问题已成为影响电网建设和发展的重要因素之一。

In recent years the construction of ± 500kV DC power transmission project in China develops rapidly and the subsequence electromagnetic environment problem becomes one of the main factors influencing the development and construction of power networks .

针对仪表着陆系统（ILS）对于电磁环境干扰十分敏感的问题，提出了一种新型ILS接收机方案，该方案基于天线阵列信号处理，利用一种UN-MUSIC的空间谱估计算法估计来波方向（DOA）。

In this paper , an improved ILS receiver based on array processing concepts is proposed for safer automatic landing procedures . The new approach is based on Direction of Arrival ( DOA ) estimation performed by the UN - MUSIC algorithm .

应用客户端/服务器结构，采用三层模式建立了一套服务于城市电磁环境管理部门的分布式电磁环境数据库系统（DDBMS）。

Built a distributed database management system ( DDBMS ) of electromagnetic environment to serve the manage department of urban environment . The system employed a Client / Server structure and a three-layer mode .

调频连续波雷达（FMCWR）具有分辨率高、信号动态范围大、对周围电磁环境干扰小、抗干扰能力强等特点，得到广泛应用，特别适用于海事交通管制系统（VTS）。

In recent years , Frequency Modulation Continuous Wave Radar ( FMCWR ) is widely used in many fields for its eminent characteristics , such as high resolution , large dynamic range , low radiant pollution to environment and good performance in anti-jamming , especially for vessel traffic system .

空间电磁环境研究在军事上的应用

Study of space electromagnetic environment and its application on military affairs

室外空间电场对室内电磁环境影响的研究

Study on influence of space electric field on indoor electromagnetic distribution

提高雷达侦察设备的电磁环境适应能力

Improving the Efficiency of Radar Reconnaissance Equipment in the Electromagnetic Environment