接收路徑 的英文怎麼說

中文拼音 [jiēshōulùjìng]
接收路徑 英文
reception path
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  • 路徑 : 1. （道路） way; route; trajectory; path; tail; travel2. （門路） method; ways and means
  1. Above this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    圖上這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  2. Above ) this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    （圖上）這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  3. The text uses the method of ray tracing that is based on improved traditional mirror image principle of the radio wave forecast and two ray propagation model, which can be used in any complex propagation environment and found any propagation path from the sending set to receiving machine without redundancy computer

    本文是基於無線電波預測中傳統的鏡像原理與雙射線傳播模型的結合而提出的改進了的射線跟蹤演算法，它能用於任何復雜的傳播環境中，能找到從發射機到接收機之間的所有傳播路徑而無須冗餘的計算。
  4. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。
  5. In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel

    在無線通信中，發射機和接收機之間的相對移動會造成電波傳播路徑的改變，從而使通道變成隨機時變通道。
  6. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  7. During the developing economy, foreign direct investment ( fdd is not only a. great contribution to national economy such as forming capital, improving employment, adjusting balance of payments, but also an important way to transfer advanced technology

    在經濟增長過程中，外商直接投資不僅對形成資本、提高就業率、國際收支調整等宏觀經濟有著很大的貢獻，也是轉移先進技術的重要路徑之一。
  8. The asic chip embedded with bluetooth is usually employed as keyboard mouse equipment controller at present, so that is complicated and expensive to realize. noteworthily a new style of design is developed in the article : a 51 mcu is employed as keyboard mouse equipment controller while controlling bluetooth module as host, which give full play to 51 mcu and make the product at low cost, the design has sure practicability and innovative ; the software of pc end is designed as operating in the backstage, which receives data from usb interface to simulate the function of the keyboard and mouse. the design is easy, the thought is ingenious

    由於目前常見的藍牙鍵盤鼠標設備控制器都是用嵌入藍牙核的asic晶元實現，所以實現復雜而且價格昂貴，而文中設計獨辟蹊徑：用一片51單片機作鍵盤和鼠標的微控制器，兼作控制藍牙模塊的主機，充分發揮了51單片機的性能，實現了低成本設計，具有一定實用性和創新性； pc機端軟體則設計為運行在後臺的應用程序，接收usb介面數據並進行處理，以模擬鍵盤鼠標功能，這一設計簡單易行，思路巧妙。
  9. Matchers specify a set of rules for messages that will be received based on interfaces, object paths, and methods see below

    匹配器為可以基於介面、對象路徑和方法進行接收的消息指定一組規則（見后） 。
  10. We should attach more importance to following channels at present time : broaden monetary market function ; perfect stock mortgage loan ; develop investment institute ; explore investment banking business, including investment funds business channel, insurance business channel and security business channel ; make financial organization renovation. following policy suggestions should be applied : 1 ) perfect the policy environment ; 2 ) treat the problem rationally ; 3 ) implement financial mixed operation system in due time ; 4 ) foster financial market ; 5 ) enhance external supervision ; 6 ) deepen the construction of commercial banks ; 7 ) introduce bank capital into stock market in stages

    貨幣市場和資本市場的不協調發展使證券機構出現制度外與體制外融資或違規操作，必須在兩個市場間建立資金和信息對流的寬敞通道，在路徑設計上，當前應擴展同業拆借市場、國債回購市場等貨幣市場渠道功能;完善股票質押貸款，及時推出非券商股票質押貸款，並注重風險防範;大力發展養老基金、保險公司、信託基金等機構投資者，吸收銀行資金間接入市;拓展投資銀行業務，包括基金、保險業務渠道、券商業務渠道、公司業務渠道;設立證券金融公司或金融控股集團，進行組織制度創新。
  11. Compiles the file represented by the virtual path and provides a callback class to receive status information about the build

    編譯由虛擬路徑表示的文件，並提供一個回調類來接收有關生成的狀態信息。
  12. The effect of technology roadmapping in knowledge management

    員工知識接收路徑選擇的實證研究
  13. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  14. In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable

    在wcdma系統中，為正確解擴解調接收到的擴頻信號，接收機本地產生的擴頻碼（ pn碼）相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙，總是經過折射或反射的多條路徑后才到達接收機，從而產生多徑通道。
  15. We give three installing schemes in the measuring hydraulic cylinder in the fourth chart and analyse thire merits and shortcomings. we discuss the possibility of measuring grinding wheel diameter by ultrasonic wave we give the full electric circuit schemes, including emitting and receiving circuit, measuring temperature circuit, displaying circuit, regulated power supply, a / d converter circuit and so on

    給出一種新的計時方法。同時我們還討論了利用超聲測量鋼坯磨床中砂輪直徑的可能性。在本文中，還給出了完整的電路設計方案，包括:發射接收電路、溫度測量電路、顯示電路、穩壓電源電路、 a / d轉換電路等。
  16. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  17. The two point ray tracing is based on the snell theory and the fermat " minimum travel time principle ", which advantages is that it can calculate the accurate ray path from the source to the receiver

    兩點射線追蹤主要是通過snell定理和費馬最小時間原理確定激發點和接收點之間精確的射線路徑。其優點是能夠精確得出反射點的位置。
  18. This paper, reviews the development history of autonomous navigation system - navistar 2001, and illustrated that it has great importance to the modernization of traffic of our country to research and develop self - designed navigation system. at the same time, this paper give the prototype of navigation system navi - star2001 as a example and discusses specially several aspest of the research and development : 1. the structure design and module function assignmeng of the system ; 2. the realiztion method of the module mapdisplay, routecalculate and routeguide ; 3. the design of properly structured data storage structure which can reflect the complex road network in reality ; 4

    同時，本文還以自主式導航系統原型navi - star2001為例子，重點論述了我們在進行navi - star2001開發過程中所作的下面幾個工作： 1 、 navi - star2001的系統結構設計及模塊劃分，各模塊的功能分配，這部分工作從整體上對自主式導航系統進行了規劃，對于自主式導航系統這樣復雜系統的開發工作來說，具有重要意義； 2 、地圖顯示、路徑規劃、路徑引導的實現方法、關鍵技術； 3 、設計一個結構合理，能夠準確反映真實道路網路的數據存儲結構，按照這個存儲結構組織起來的道路網數據構成了系統中導航功能的數據基礎； 4 、設計車輛定位模塊中的道路分塊索引技術、 gps數據的接收處理方法及三段式道路匹配演算法，這三部分緊密配合實現了移動車輛實時準確的定位。
  19. The light route used by measuring instrument determined its volume, according to the place between sampling area and lens, with the application background limits, the miniature atomized particles size measuring instrument takes scheme that the sampling area locate in front of the lens and the optic - electronic sensor at the back focal plane of the lens. the miniature atomized particle size measuring instrument employs

    測量儀器採用的光路直接影響儀器的結構尺寸，接收透鏡和采樣區位置的關系具有不同的配置方案，由於霧粒粒徑測量儀應用背景的限制，所採用的光路配置方案是被測顆粒位於透鏡前方，光能接收器件位於透鏡后焦面上。
  20. Finally, after some experiments about rake receiver are performed in space channels, some problems existing in the process of experiments are mentioned, and then, the simulation of fpga about the path - searching circuit is finished

    最後對rake接收系統進行了空間實驗，提出了實驗中存在的問題以及需要改進的方向，並就系統中的基於bpsk擴頻假設檢驗的路徑搜索裝置進行了fpga模擬。
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