swr

A Method for Measuring SWR of Little Reflection Wave Guide Element at High Frequency

小反射波导元件高频状态下驻波比的测量

Study of Real-Time Radio Signal Analysis System Based on SWR

基于SWR平台的模拟无线信号实时分析系统研究

Increasing exit flow angle and Mach number are two ways to reduce SWR .

增加高压转叶出口气流角和马赫数是降低出功比的两条现实途径。

The SWR is a developing trend of the third generation mobile communication system and military radio .

软件无线电（SWR）技术是第三代移动通信系统和军用电台的发展趋势。

The SWR wattmeter application in short-wave communication system is considered .

阐述了驻波功率表在短波通信中的应用。

The method and principle for rapid measuring soil water content were also studied and SWR was developed for soil content .

研究了土壤水分快速测量方法及测量原理，并用SWR型土壤水分测试仪进行了试验，试验表明，土壤水分在农m平面卜的分有存在差异；

Based on above , the soil water content meter has been developed quickly with the SWR sensor .

最后，基于SWR型土壤水分传感器和本课题已设计的嵌入式应用系统进行土壤水分测试仪的快速开发。

At the same time , the development situation of soil moisture monitoring techniques based on the SWR principle in China was introduced ;

同时对最近几年来国内出现的基于SWR驻波率原理的土壤水分监测技术的发展现状做一介绍；

The SWR coefficient is concerned with labor force situation , structure and local level of employment of the project site .

影子工资系数与工程所在地劳动力状况、结构及当地就业水平有关。

The antenna and cable must be carefully matched to ensure a low Standing Wave Ratio ( SWR ) .

小心地将天线与电缆匹配，以确保低定波比率（SWR）。

The process problems of composite structures using interference fit technology can be solved by use of Stress Wave Riveting ( SWR ) .

分析了复合材料结构采用干涉配合技术存在的工艺困难，利用应力波铆接设备对碳纤维复合材料进行了干涉配合铆接试验，并对铆接质量进行了检测分析。

The instrument is composed of a single-chip microcomputer , a GPS receiver and a SWR moisture sensor .

该测试仪由80C552微控制器、GPS接收机、水分传感器等几部分组成。

In this work , the phenomena of excitation of SWR ( Spin Wave Resonance ) in magnetic films are investigated .

本文研究了磁性薄膜中的自旋波共振激发现象。

The Failure Mechanisms and Corrective Actions of Putout Burning-out and Swr Increase of High Power Wideband TWT

宽带大功率行波管输出烧毁及驻波变大失效机理及对策

The Design of the SWR and Power Online-monitoring System for the Antenna and Feeder of the Macrocell BS

宏蜂窝基站天馈线驻波比和功率在线监测系统的设计

Using X rays from the plasma as a source of calibration , we have measured characteristics of Kodak SWR film produced by U.S.A.

在LF-11激光装置上，用激光产生等离子体作为标定源，同时控制显影条件和底片类型与测X光激光时相同，标定出美国Kodak公司生产的SWR型底片特性曲线。

Under the joint function of structural and random variations , spatially the SWR was distributed in band following the direction of ploughing .

受结构变异和随机变异共同作用，斥水性空间格局沿耕作方向呈条带状分布趋势，在垂直于耕作方向上变异最为强烈。

Software Radio ( SWR ) is a new design ideas proposed in the late 20th Century , which breaks through the hardware radio design patterns in the traditional radio .

软件无线电是20世纪末提出的一种新的设计思想，它突破了传统的无线电台以硬件为核心的设计模式。

Measured results show that adjusting ports SWR of mixer may improve conversion less of mixer . The biggest conversion frequency loss is reduced about by 10 dB .

测试结果表明，通过调节端口驻波比可以较大改善混频器的变频损耗，使混频器的变频损耗最大减少10dB左右。

The formulas of calculating the PTS of SWR are taken from the acoustoelasticity theory , and the calculating the parameters is introduced .

根据声弹性理论以及公式推导出计算无缝焊接钢轨中的温度应力的公式，并对其中参数的求解方法进行介绍；

The X-ray intensities were monitored by proportional counters , we obtained sensitivity curves of Kodak SWR X-ray film for these different energy X rays .

利用流气式正比计数管监测X射线强度，测得了KodakSWR底片对以上四种能量的X光的响应曲线。

Software Radio ( SWR ) can make the wireless communication system have a good flexibility and generality . Also , the interconnection and update of the system will be very convenient .

软件无线电可以使无线通信系统具有很好的通用性和灵活性，方便系统的互联和升级。

For the sake of studying the characteristics of SWR soil moisture sensor , the soil cylindrical tube experiment is designed and the experiment modeling and performance analysis are done in this thesis .

本文为了研究SWR型土壤水分传感器的特性设计了土柱试验，对SWR型土壤水分传感器进行了试验建模和性能分析。

With the rapid development of ultra-wideband wireless communication technology and software wireless radio ( SWR ), wide band , multi frequency and ultra wide band has become research hotspots in antenna field .

随着超宽带通信技术和软件无线电技术的研究不断深入，宽频、多频及超宽带天线的研究成为近几年来天线领域的热点。

His orchestral engagements include concerts with the Deutsches Symphonie-Orchester Berlin , the SWR Sinfonieorchester , and the Chamber Orchestra of Europe .

此外，他还将与多个管弦乐团合作演出，包括柏林德意志交响乐团、德国西南广播管弦乐团和欧洲室内乐团等。

This paper discusses in detail the failure mechanisms involved in putout burning-out and SWR increase observed from the booster of TWT amplifier chain B - 284 and presents the corrective actions used in control the mechanisms .

详细地讨论了宽带大功率行波管B-284行波管放大链末级管输出烧毁及驻波变大的失效机理及其纠正措施。

The new dual-functional toughening agent SWR - 3C was used to toughen nylon ( PA ) 6 . The results indicated that the impact strengh enhanced obviously with the increasing of SWR - 3C content .

采用新型双官能化增韧剂SWR&3C对尼龙（PA）6进行增韧研究。

On the base of the traditional BPM-I , II time receiver , and by the deeply studied of the theory of Software Radio ( SWR ) and time receiver , we present the short-wave time receiver design on the concept of Software Radio .

本文建立在传统的短波定时接收仪的基础上，通过对授时接收机和软件无线电理论的深入研究，提出了一种新的软件无线电概念下的短波定时接收机的实现方案。

The foundational idea of Software Radio ( SWR ) is to establish a open , standard and modular universal hardware platform where the A / D converter is moved as closed as possible to antenna and all of the communication function is realized by software .

软件无线电的中心思想是构造一个具有开放性、标准化和模块化的通用硬件平台，将宽带A/D和D/A转换器尽可能靠近天线，用软件完成各种通信功能。

The paper shows that the software radio system has the flexibility , openness and compatibility in processing the multi-band and multimode signal , and indicates that FPGA is especially suitable for the standardized designing of SWR with its advantage of reconfiguration and parallel processing .

论文验证了软件无线电对多频段多模式信号进行处理的灵活性，开放性和兼容性的特点，同时也表明FPGA可重构性和并行处理的优势，特别适合于软件无线电模块化标准化的设计要求。