通道傳輸能力 的英文怎麼說

中文拼音 [tōngdàozhuànshūnénglì]
通道傳輸能力 英文
channel capacity
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 能 : 能名詞（姓氏） a surname
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 能力 : ability; capacity; capability
  1. At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably

    同時，作者結合靜電測量原理以及氣力輸送管道的實際工況，從理論上提出了靜電傳感器的設計依據，完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗，分析了實驗現象和結果，驗證了靜電傳感器用於煤粉質量流量測量的可行性，並且通過系統調試和實驗，針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進，使其性能有了顯著地提高。
  2. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  3. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  4. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。
  5. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術，可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號，具有較高的整體性能。
  6. The interference resisting measures are discussed in the article, such as sensor designing, signal transmission package, pcb designing, signal processing, etc. the measures make the system has a strong ability of interference resisting and enhance the signal noise ratio

    本論文從信號檢測傳感器、數據傳輸通道、 pcb布板、軟體設計等幾個方面重點研究了提高系統抗干擾能力的原理和要採取的措施，使檢測系統具有較強的抑制干擾信號的能力，提高了武漢理工大學碩士學位論文信噪t匕。
  7. Chapter 4 : in this chapter, we derive the formula of ponderomotive force from lorentz equation and analyze the effect of ponderomotive self - channeling ( psc ) firstly. it is found that the effect of psc enhances the effect of beam focusing. and a nonparaxial propagation equation including the effect of psc is established

    分析激光傳輸過程中的有質動力自通道效應，結果表明，有質動力自通道效應能增強激光自聚焦，在此基礎上建立了包含有質動力自通道效應的非傍軸傳輸方程。
  8. Olympic - related basic communications pipelines are to be planned and built in a unified manner, with physical transmission paths being rationally leveraged and shared communications pipelines laid, for a combined usage by telecom, broadcasting and computer networks as a whole, and by the power network where possible

    統一規劃和建設奧運相關的基礎通信管線，合理利用傳輸通道空間資源，鋪設通信共用管道，提供電信網、廣電網和計算機網的建設統一使用，並在可能的情況下提供電力網使用。
  9. White noise acting as inspirit signal, the experiment data is collected. utilizing these data and error back propagating identification method, different neuron and input - output delay are selected. by comparing approximation ability and generalization ability, the neural networks model in position mode and velocity mode is identified

    並以模擬白噪聲為激勵信號，收集了數據;利用實際收集的數據，採用誤差反傳的辨識方法，選擇不同神經元及輸入輸出延時量的模型，通過比較網路的逼近能力和泛化能力，辨識得到了位置和速度兩種工作模式下的方位通道的神經網路模型。
  10. Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks

    光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。
  11. It belongs to multi - carriers modulating technology, and its most remarkable character is the high - speed transmitting ability as well as the excellent resistibility to interface of signal interval and decline of channel selectivity

    它屬于多載波調制技術，其最大的特點是傳輸速率高，對碼間干擾和通道選擇性衰落具有很強的抵抗能力。
  12. The press instrument has many advantages, for example the measure range is 0 ~ 60mpa, the precision is one percent, and the hydraulic press of two roads was sampled every five minutes. this system makes use of the " data fusion " technique to compensate measuring errors caused by temperature changing. the press instrument has large storage space and can store about thirteen day ' s press data

    該測試儀的主要特點是：測量量程為0 60mpa ，精度為1 ；每5分鐘採集一次兩路通道液壓壓力值；採用「數據融合」技術進行溫度補償；數據容量大，能存放約13天的壓力數據； led顯示器可交替顯示兩路壓力值；無線數據通信功能，傳輸速率為9600kbps ；採用本安設計，可安全的應用於環境復雜的煤礦井下。
  13. In this thesis, we review the joint source and channel coding firstly, introducing fundamental theories, design methodologies, and practical applications. secondly, an approach is presented for improving arithmetic coding by embedding hamming distance. the approach prevents error propagation of the arithmetic coding

    作者在對算術編碼做了深入研究的基礎上，運用漢明距離對其加以改進，使算術編碼具有了較好的糾錯能力，克服了算術編碼易受傳輸錯誤的影響，使其適用於通道干擾較大的場合。
  14. In the construction of unmanned substations, shaoguan power bureau took a series of measures to minimize substation telesignalling misoperation and dithering, thus ensuring the reliability of information transmission through channels and improving interference rejection of substations

    韶關電力局在無人值班變電站的建設中，採取了針對性強的一系列技術對策和改進措施，使變電站遙信誤動、抖動減少到最低程度，保證了通道信息傳輸的可靠性，提高了變電站的抗干擾能力。
  15. Alongside traditional railways, the review is expected to consider a 300mph gound transport system called uk ultraspeed as a means of providing greatly increased capacity and speed along this vital corridor

    這次評審將考慮緊鄰傳統鐵路修建一個稱作uk ultraspeed的地面運輸系統，其時速將達到300英里每小時，此舉將極大的提高這一核心通道的運輸能力和速度。
  16. So it is necessary to add an equalizer to the physical receiver. it can enhance the adaptability of broadband digital transmission apparatus and effectively decrease the performance requirement of channel and receiver, accordingly can reduce cost

    因此，在實際的通信接收設備中加入均衡器是非常必要的，它可以提高寬帶數字傳輸設備的適應能力，有效降低通道、通道和接收設備的性能要求，節約成本。
  17. The characteristic of channel is the basic of plc research, including the transmission lines, channel noise, and attenuation. the ability of anti - jamming, speed and distance of transmission are decided by the mode of modulation. for example, the fsk, bpsk, cdma and ofdm are main modulations in the plc

    通道的研究是根本，電力線通信其他研究內容都是建立在通道研究的基礎上，內容主要包括傳輸線特性、通道噪聲和通道衰減等;調制解調技術決定了電力線通信的傳輸速率、傳輸距離和抗干擾能力，它是電力線通信實現的關鍵，目前電力線通信中主要的調制方式有fsk 、 bpsk 、 cdma 、 ofdm等。
  18. As one of the key techniques of new generation mobile communication systems and broadband wireless communications systems, " adaptive transmission " technique can exploit potential channel transmission ability sufficiently so that it enables the systems to reach the maximum transmission capacity and reliability by dynamically adjusting transmission parameters according to channel estimation and traffic qos requirement

    自適應傳輸技術是新一代移動通信和智能傳輸的核心技術之一。自適應調制是根據通道的實時狀態以及業務的不同特性動態調整傳輸參數，從而可以充分挖掘系統的傳輸潛力，提高頻譜利用率，以獲得最大的傳輸容量和最高的可靠性。
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