standing-wave ratio
英 [ˈstændɪŋ weɪv ˈreɪʃiəʊ]
美 [ˈstændɪŋ weɪv ˈreɪʃioʊ]
网络 驻波比
双语例句
- The basic antenna parameters are given, for example power transmission coefficient, input voltage standing-wave ratio ( VSWR), quality factor, radiation field and directivity. The power transmission coefficient is calculated as a numerical example.
导出天线基本参数如功率传输系数，输入电压驻波比，品质因素，辐射场以及方向性系数的表达式，并以功率传输系数为例进行了数值计算。 - Study on the Noncontact Measurement of Soil Moisture Based on the Principle of Standing-wave Ratio
基于驻波原理的无接触土壤含水率测量方法的研究 - In comparison with standing-wave thermoacoustic engine, travelling-wave engine has lower onset temperature, much higher pressure ratio and higher efficiency.
行波型热声发动机具有比驻波型热声发动机更低的起振温度、更高的热功转化效率，从而引起国内外同行的普遍关注。 - Research of Soil Moisture Measurement Based on Standing-wave Ratio Theory
基于驻波率原理的土壤水分测量方法的研究 - According to the standing-wave ratio theory we worked out the expressions of the sensor probe impedance, and of voltage on the sensor, and we designed the structure of the probes.
设计了传感器探针结构，导出了本实验所采用的土壤探针阻抗的计算公式和传感器中任意点电压的理论公式。 - The largest standing-wave ratio of the modulator within tuning ranges is less than 2.2;
调制器在调谐范围内的最大驻波比小于2.20； - In this article, 2-terminal network theory is applied to deduce a formula of the relationship between the standing-wave, ratio at the resonance point of a magnetron and the cutoff wavelength of an H-section-guided output transformer.
本文利用二端网络理论，推出了磁控管谐振点驻波导数与H形输出变换器截止波长之间的关系式。 - The method can be used for measuring the voltage standing-wave ratio and tuning match of the microwave signal source quickly.
还可快速测量微波源的驻波比和实现对它的匹配。 - Measuring theory and method of coal moisture based on the standing-wave ratio were researched. The measuring probe was designed according to the measuring demands of coal moisture and the measuring system was developed.
从理论基础、测量原理方面研究了基于驻波率原理测量煤水分含量的方法，并根据煤水分测量要求设计了相应测量探头，并研究开发了测量系统。 - After measuring the sample materials 'wave absorption efficiency by using the Waveguide test method, in addition of measuring standing-wave ratio, we obtained the reflectance of the measured materials which matches the theoretical value as well.
采用波导测试法对材料样品的吸波效能进行了测量，通过测量驻波比，获得待测材料的反射率，其实测值与理论计算值能基本吻合，能满足初步测量的要求。