常見(jiàn)例句雙語(yǔ)例句Through numerical simulation, a research is taken on the impedance, gain, radiation plot of the antenna.通過(guò)計(jì)算測(cè)量，對(duì)天線的阻抗特性、增益和方向圖進(jìn)行了研究。www.mct.com.cnProper impedance load can reduce RCS effectively, meanwhile antenna's gain and radiation efficiency are not affected.適當(dāng)?shù)淖杩辜虞d能有效降低天線RCS，同時(shí)還能保證天線的輻射性能。To broaden the antenna's impedance bandwidth and its radiation pattern, a novel printed dipole antenna with reflecting structure of V-shaped ground plane was proposed.為了擴(kuò)展天線的阻抗帶寬和改善天線的方向性，提出一種采用了地平面反射結(jié)構(gòu)的新型印制偶極子天線。 返回 antenna radiation impedance