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- And it can get the path loss of any point on single floors of buildings. 該模型既有二維跟蹤模型的快速，又有三維跟蹤模型的高精度。
- In this paper,the performance of wireless DNC system is analyzed by testing the performance parameters of wireless signal and proposing the path loss formula of radio wave propagation in workshop. 通過(guò)測試無(wú)線(xiàn)信號性能參數并提出車(chē)間環(huán)境下無(wú)線(xiàn)電波路徑損耗經(jīng)驗公式,分析了無(wú)線(xiàn)DNC系統的性能。
- It briefly presents the theory for the diffraction over terrain obstacles and describes two different path loss models, the Hata model and a FFT-based model. 本文提出一個(gè)新的數學(xué)模型，描述壓力波在充滿(mǎn)黏性不可壓縮流體的等向性彈性管中的傳輸行為。
- The Windows-based software, AREPS3.0, is applied to compute path loss versus range in the troposphere, using atmospheric information from shipboard weather prediction station. 使用AREPS3.;0軟件計算不同距離上的路徑損耗，大氣信息取自艦載氣象站；
- The method is adaptive to different path loss models and does not require any hardware modification on network or mobile devices.Moreover, the impact of shadowing is reduced. 該方案不需要對網(wǎng)絡(luò )設備和移動(dòng)終端作任何硬件改造，就能普遍適用于各種無(wú)線(xiàn)環(huán)境和路徑損耗模型，同時(shí)能有效降低陰影效應的影響。
- Then critical technologies of simulation system are discussed, including frame processing structure, FH sequence generator, simulation models of path loss and multipath channel, simulation of signal propagation delay and jamming signal etc. 其次，討論了仿真系統實(shí)現的關(guān)鍵技術(shù)，包括幀處理結構、跳頻序列發(fā)生器、路徑損耗與多徑信道仿真模型、信號傳播延時(shí)及干擾信號的仿真等。
- However, ranging measurements are often subject to errors, induced by multipath signals and variations in path loss, unreliable hardware or antenna connectors, or imperfection in measurement models. 可是，距離測量往往容易出現錯誤，多徑信號和路徑損耗變化，不可靠的硬件或者天線(xiàn)連接器，或者不理想的測量模型都可能導致錯誤出現。
- In this study, Love wave dispersion data of 117 selected wave paths crossing the Pacific ocean basin are determined by applying the MF-FTAN technique to SRO/GDSN long period data. 應用現代適配濾波頻時(shí)分析技術(shù)對SRO/GDSN長(cháng)周期面波記錄進(jìn)行處理,獲得穿過(guò)太平洋盆地的117條波路徑的勒夫波頻散數據。
- They cleaved a path through the wilderness. 他們在荒原中開(kāi)辟出一條路。
- Measuring of Mobile Communications Electromagnetic Wave Propagation Path Loss 移動(dòng)通信電波路徑損耗的測試
- Simulation of the Path Loss for Radio Wave Propagation Based on MATLAB Language 基于MATLAB語(yǔ)言的電波傳播路徑損耗的仿真
- She squelched along the muddy path. 她沿著(zhù)泥濘小徑格吱格吱地走。
- He was destined to plod the path of toil. 他注定要在艱辛的道路上跋涉。
- Modeling of propagation path loss in a canopy 樹(shù)冠中電波傳播路徑損耗的研究及模型的建立
- The path leads to a hill bare of vegetation. 這條小道通向一座沒(méi)有草木的小山。
- Bill wave his hand to us and then drive away. 比爾向我們揮手告別后開(kāi)車(chē)走了。
- Radio2 can be heard on the long wave band. 第二廣播電臺可在長(cháng)波段收聽(tīng)到。
- The path of civilization is paved with tin cans. 文明的大道，是鋪滿(mǎn)了空罐頭。
- Every day he trod the same path to school. 他每天都走同一條路上學(xué)。
- I am able to pick you up on the short wave radio. 我能用短波收音機收聽(tīng)到你的信號。
