periodic antenna 中文意思是什麼
periodic antenna
解釋
黨駐波天線-
Secondly, in this paper, the four typical uwb antennas of tem horn antenna, log - periodic antenna, biconical antenna and helical antenna are theoretically analyzed and the uwb antenna design methods are generalized and discussed
其次，本文對tem喇叭天線、對數周期天線、雙錐形天線和螺旋天線四種典型的超寬帶天線進行了理論分析，總結並討論超寬帶天線的設計方法和手段。 -
Based on the previous theory, the fdtd method is used to analyze practical antennas, which include dipole antenna, microstrip antenna, log - periodic antenna and broadband resistance loaded monopoles. the particular problems that occur in the calculating of vary type antennas are discussed. the cross - section field of microstrip line and two - conductor line are analyzed, and the effect on the numerical result arising from the incident cross - section mesh size is discussed
在前面理論的基礎上，將fdtd用於振子天線、微帶天線、對數周期天線、電阻加載振子天線等各種天線的計算中，對各種不同類型天線計算中所遇到的特殊問題進行了詳細的討論，並分析各種開放場傳輸線如微帶線、平行雙線等橫向場分佈，討論了入射網格橫向截斷區域的大小對計算結果的影響。 -
First, this paper introduces the difference of all - power radiometer and dicke radiometer sensitivity, and gives normal calibration equation and periodic calibration equation of antenna temperature, and analyses calibration error due to square - law detector illinearity
本文在總結前人研究工作的基礎上，首先比較了全功率輻射計和迪克型輻射計的靈敏度，討論了輻射計天線溫度的反演和周期定標技術，分析了檢波器非線性特性對輻射計定標結果的影響。 -
The suitable tree - like and 3 / 2curve fractal symmetrical vibrators are chosen to make up a log - periodic antenna ( lpda ), the performance, such as reflectance, input impedance, radiation pattern and gain are also compared with normal log - periodic antenna by cst microwave studio ? simulation, in order to investigate the effect of antenna miniaturization. the application of fractal technology in microstrip antenna is introduced at
最後本文介紹了分形技術在微帶天線中的應用，研究了minkovski分形雙層微帶天線的阻抗特性和方向圖特性，並與普通雙層微帶天線的性能進行比較，討論了minkovski分形對微帶天線尺寸的縮減作用，同樣研究了分形對交叉極化的影響。
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