path attenuation 中文意思是什麼
path attenuation
解釋
通道衰減- path : path（ol ）＝pathological; pathology n （pl paths ）1 （自然踏成的）路；路徑；（馬路邊上的）人行...
- attenuation : n. 1. 變薄，變細。2. 減少，減弱。3. 稀釋。4. 【物理學】衰減。
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Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation. in the calculation model of the value of land classifying units, author brings forward the model of time distance attenuation. in this model adopting the network analysis, and by establishing the road network, and proceeding path analysis, computing the time distance, then proceed the exponential attenuation or straight line attenuation on time distance, get the value of influence factor of the land classification unit
主要有兩個方面： 1 、定級單元分值計算模型? ?時間距離衰減模型在定級單元分值的求取模塊中，提出了時間距離衰減模型，模型中採用網路分析的方法，通過建立道路網路，進行路徑分析，求取時間距離，進而按時間距離進行指數衰減或直線衰減，得到定級單元因素因子影響分值。 -
Ruilan s bws3500 broadband wireless access system is capable of solving effectively the fundamental problem of selective frequency attenuation caused by multi - path interference. therefore, it is capable of providing generalized access ( non line - of - sight or quasi line - of - sight transmission )
瑞瀾公司的bws3500寬帶無線接入系統可有效地解決多徑干擾引起的「選頻衰落」這一根本性問題，因此能夠實現普遍化的接入（非視距或準視距傳輸） 。 -
This novel transmit diversity technique, which combines channel coding, modulation and signal processing at receive terminal, can make full use of the fading multi - path in the wireless communication systems so as to mitigate the signal attenuation. this technique is mainly designed to combat channel fading in downlink transmission by combining the technique of channel coding and that of array diversity, hence increasing the capacity of wireless communications systems and giving diversity gain and coding gain to them
基於多輸入輸出（ mimo ）的空時編碼技術是實現未來帶寬資源日益緊張的高速無線數據通信系統的重要技術，它結合了通道編碼、調制和接收端的信號處理，能夠充分利用無線通信通道中多散射體環境所造成的多徑，從而提供信號的抗衰落性能。
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