均勻損耗網路 的英文怎麼說
中文拼音 [jūnyúnsǔnhàowǎnglù]
均勻損耗網路
英文
uniformly dissipativenetwork- 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
- 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
- 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
- 耗 : Ⅰ動1 （減損; 消耗） consume; cost 2 [方言] （拖延） waste time; dawdle Ⅱ名詞1 （壞的音信或消息） ...
- 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
- 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
- 損耗 : 1. （損失消耗） loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
- 網路 : 1. [電學] network; electric network2. （網） meshwork; system; graph （指一維復形）; mesh
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In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods
而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。For there are few good analytical methods in ntls ' sensitivity, in this paper, we uesd kuroda ' s equivalent circuit and adjoint network method to derive the sensitivity formulas of parabolic lossless ntl. and then we proposed the way of lumped loss, like the method of dealing with the loss in emtp, to deal with the loss of parabolic lossy ntl. and on the base of the way of lumped loss, we got the sensitivity formulas of parabolic lossy ntl
對于非均勻線的靈敏度分析，目前尚未提出很好的方法。本文首先利用基於科羅達等效的等效電路，使用伴隨網路法推導出了無損拋物線型非均勻線的時、頻域靈敏度公式。其次，為了解決有損拋物線型非均勻線的靈敏度計算，提出了一種類似emtp的集中處理損耗的有損拋物線型非均勻線的方法。
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