电压驻波比?。
警告：当驻波比超过2：1可能会导致发射部件受损。
WARNING: Standing Wave Ratios in excess of 2:1 May cause transmitter damage.
方向图、增益和电压驻波比的计算结果与实验结果吻合。
The computational results of pattern, gain and VSWR are agreeable to the experimental ones.
驻波比是衡量雷达发射机和天馈系统工作状态的一项重要指标。
This paper introduces a kind of measuring method of standing wave ratio on-line.
介绍时域有限差分（FDTD）法计算准八木天线驻波比的算法实现方法。
The Finite Difference Time Domain(FDTD) method was used to calculate the Voltage Standing Wave Ratio(VSWR) of a quasi-Yagi antenna.
分析了天线的电压驻波比和增益随着线栅根数以及天线高度等参数变化的特性。
The characteristics of VSWR and the gain of the antennas with different Numbers of wires and different heights are analyzed.
故障定位或DTF模式指示驻波比或回波损耗水平在各点沿电缆长度和天线系统。
Fault location or DTF mode indicates VSWR or Return Loss levels at each point along the cable and antenna system length.
本文主要论述了移动宏蜂窝基站天馈线驻波比和功率在线监测系统的设计及实现。
The thesis mainly describes the design and implementation of the SWR and power online-monitoring system for the Antenna and Feeder in the mobile macrocell Base station.
本文介绍一种矩形软波导制造的方法，其产品可以获得低的驻波比和很好的弯曲性能。
This paper presents a method of making rectangular flexible waveguide. It is possib2e to obtain waveguides with low VSWR and good flexibility.
本实用新型具有重量轻、介质增益损失小，介质热噪声温度低、输入电压驻波比小等特点。
The utility model has the characteristics of light weight, small dielectric gain loss, low dielectric thermal noise temperature, small input voltage standing wave ratio, etc.
由于半导体工艺制程的关系，一般来说低噪声放大器噪声匹配和输入端驻波比匹配是矛盾的。
Due to semiconductor process we must trade off between input voltage standing wave ratio (VSWR) and Noise Figure. In this paper, a balanced LNA is adopted.
研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
通过对天线进行了驻波比、方向图、增益的详细测量并和软件仿真结果进行了比对和深入的分析。
The detailed measurements of the antenna, including VSWR, directivity and gain are processed. The measurement results are compared with the electromagnetic simulation results and analyzed.
数值计算结果表明，用修正公式设计的阻抗匹配器，在2<40范围内，驻波比全都小于1.08。
The standing-wave ratio in line all is smaller than 1.08, for 2<40.
如果你仔细按照这个设计去做，你的天线会有很好的表现，有优秀的50欧姆匹配，导致驻波比很低。
If you have followed this design carefully, your antenna will perform very well and have an excellent match to 50ohms resulting in a low SWR.
最后，进行了实验研究，实测的单元电压驻波比在14%的带党内小于1.2，与优化的情况吻合很好。
Finally, the experimental studies are made. 14% bandwidth with VSWR below 1. 2 is achieved agreeable to the optimized results.
通过比较分析，得到了天线谐振频率、谐振点电压驻波比、带宽以及输入阻抗随不同几何参数的变化规律。
By comparative analysis, the dependence of the resonant frequency, voltage standing wave ratio, bandwidth and input resistance on different geometric parameters is obtained.
通过比较分析，得到了天线谐振频率、谐振点电压驻波比、带宽以及输入阻抗随不同几何参数的变化规律。
By comparative analysis, the dependence of the resonant frequency, voltage standing wave ratio, bandwidth and input resistance on different geometric parameters is obtained.
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