史密斯圆图图解法是通信中微波传输系统设计中的重要工具之一。
The illustrating method via Smith Chart is one of the important tools for the design of the transmission line problem in microwave communication.
微带线和波导是两种重要的微波传输线,在微波领域有着十分广泛的应用。
Mircrostrip and waveguide are two important kinds of microwave transmission line which are widely used in microwave area.
为此,本文首次提出尝试利用微波传输线理论中的驻波原理测量乔木茎干含水率。
Therefore, the author try to utilize standing wave ratio of the microwave transmission line theory to measure plant water content in this paper.
仿真结果表明,微波传输线对雷达干扰脉冲具有积累放大作用,其典型积累数可达50 0以上。
Emulating result shows that microwave transmission line has an accumulation or amplifying effect on radar interference pulse, and the typical amplification multiple is more than 500.
文中利用SRD(阶跃恢复二极管)与微波传输线,通过错位对消的方法设计与制作了UW B脉冲发生器。
This paper is a report of the designing and making of a UWB pulse generator using SRD (step recovery diode) and microwave transmission line and by means of intervention and elimination.
首先依据经典的微波传输线的数学模型,在对微带线进行了分析和计算仿真的基础上,设计了基于微带线的测量线结构。
According to the classical mathematical model of the microwave transmission line, and the analysis and simulation of the microstrip, measuring line with microstrip is designed.
基于麦克斯韦方程组的电磁场理论(场方法)和基于基尔霍夫定律的电路理论(路方法)是分析微波传输线的主要理论工具。
Electromagnetic field theory based on Maxwell's equations (field method) and circuit theory based on Kirchhoff's laws (circuit method) are the main tools to analyze transmission line problems.
对运城微波传输系统数字化改造情况进行了简单介绍,并对相关数字设备原理进行了具体分析,指出数字微波设备使用与维护应注意的几个方面。
It also analyzes the relevant principles of digital devices and points out several problems of maintenance which should be noted when the digital equipment is in use.
在探明不连续性结构对微波传输特性的影响后,再对平面传输线不连续性结构进行补偿和优化,重点研究补偿后的不连续性结构对主模散射参数的改善和影响。
Such time domain signals are then processed to get frequency domain parameters. Then, the emphasis of this study was to optimize the electrical performance using simple compensation techniques.
我们也可以选择无线微波回程,但这必须保持发射塔在同一条视线上,而且在一些情况下数据必须通过有线网络传输。
There is also the option of a wireless microwave backhaul, but it requires cell towers that are in the same line of sight, and at some point the data still has to go wired.
机身上的圆盘形整流天线能接收地面传输的微波能,将其转化为直流电为飞机推进器上的电动机供能。
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
20世纪60年代无线传输概念再次被提出,当时展出的一种微型直升机,通过地面发出的微波光束来供电。
Wireless transmission emerged again in the 1960s, with a demonstration of a miniature helicopter powered using microwaves beamed from the ground.
在传统方式下,BSC和BTS之间多是采用微波、光纤等传输方式。
Traditionally, microwave and optical fibers are mainly used in the transmission between BSC and BTS.
为模拟电磁波在自由空间的传输状态,研制了用于生物医学工程研究的大型专用微波暗室。
To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.
概述了多路微波电视传输系统的特点,介绍了此系统的总体设计及各部分的工作原理。
This article introduces in brief the advantages of Malti path microwaves television transmission system and its general design and working principle.
本文从估量的角度入手,分析数字微波的传输特性。
The transmission characteristics of microwave digital system is analyzed as Viewed from evaluation.
该文主要对在设计电路时,考虑微波在海面传输中存在的问题和克服的方法,作一些回顾。
In the view of the difficult problem on oversea transmission by microwave, some researches on circuit design are presented in this paper.
同时对天馈技术、微波接收机、定标技术、数据采集与处理、驱动与传输、电源、热控制等技术进行了分析。
The space feed technique, microwave receiver, calibration technique, data collection & processing, driving & transmission, power source and heat control are also analyzed.
所研制的接收机用在传输电视和数字通信的微波转发系统中,已获得良好的试验结果。
The experimental receiver has been used in a microwave relay system for TV transmission and digital communication, with satisfactory performances.
同轴传输反射方法可以用来测量高损耗材料的微波介电常数。
A coaxial transmission and reflection method can be used to measure microwave permittivity of high-loss material.
本文讨论了船舶交通管理系统微波信息传输子系统中对雷达窄脉冲视频信号进行频带压缩处理的必要性和可能性。
The necessity and possibility of compressing radar narrow pulse video signal bandwidths in a microwave information transfer sub-system of VTMS is discussed in this article.
卫星为相距遥远的地区通过微波提供通讯线路。要在人口密集区间传输电视信号需大容量线路。
Satellites provide communication circuits between widely separated locations via microwaves. To transmit television signals between population centres requires high-capacity circuits.
越站干扰是微波多站传输中的一种同频远端干扰。
Trans station interference is a distant interference of the same frequency in multi station microwave transmission.
事实上,可以不使用任何线来建立四线电路,例如通过微波、卫星或红外传输系统。
In fact, a four - wire circuit can be established without the use of any wires at all, as in the case with a circuit established over microwave, satellite, or infrared transmission systems.
这个系统是如此的复杂,它使用了微波、毫米波,并能通过大的卡车传输。
The system was so sophisticated that it employed microwaves and millimeter waves and was transportable by a large truck.
星载微波辐射计外定标的关键问题是通过辐射传输方程计算天线入瞳处亮温。
The key issue in external calibration of microwave radiometer on board satellite is the determination of brightness temperature on the pupil of antenna by using radiative transfer equation.
微带线和波导是两种重要的微波、毫米波传输系统。
Microstrip and waveguide are two important kinds of microwave and millimeter-wave transmission lines.
对于一个数字微波通信系统,传输特性是最重要的问题之一,必须慎重加以考虑。
For a digital microwave communication system, transmission performance is one of the most important problems which should be seriously considered.
对于一个数字微波通信系统,传输特性是最重要的问题之一,必须慎重加以考虑。
For a digital microwave communication system, transmission performance is one of the most important problems which should be seriously considered.
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