常見(jiàn)例句雙語(yǔ)例句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.本實(shí)用新型具有重量輕、介質(zhì)增益損失小，介質(zhì)熱噪聲溫度低、輸入電壓駐波比小等特點(diǎn)。ip.comThe electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.研究了這種新型套筒天線的輸入阻抗、電壓駐波比（VSWR）、增益及輻射方向圖等電特性。Then, introduced the basic theory of trasmission line, mainly introduced several speciality parameters of trasmission line, include: speciality impedance, reflectance and Voltage Standing Wave Ratio.然后，介紹了傳輸線的基礎(chǔ)理論，其中重點(diǎn)介紹了傳輸線的幾個(gè)特性參數(shù)，包括：特性阻抗，反射系數(shù)和電壓駐波比。 返回 voltage standing wave ratio