比特傳輸系統 的英文怎麼說

中文拼音 [zhuànshūtǒng]
比特傳輸系統 英文
bts bit transport system
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 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)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 比特 : [計算機] bit (信息量單位)比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. The software system has such characteristics as follow : all the information including streaming media are transported in transport - layer. its speed is much higher than in application - layer because it cuts down the time in data processing between two layers and can transport more pure data in equal time

    具有以下點:所有信息數據的送都在層實現,與在應用層實現相,不僅減少了協議層之間流動的時間開銷,而且提高了有效數據的速率,有利於實時播放多媒體影音文件。
  2. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據無接觸電能殊的負載性,詳細分析並對了並聯和串聯逆變器的工作原理及電路點,設計出應用於無接觸中的高頻全橋串聯諧振逆變器的拓撲結構,進而設計並製作了的主電路,詳細的分析了主電路的工作過程。
  3. There are two series interface installed on the os in advance, the one is called bsd socket designed by berkeley software, with the working mode of blocking synchronization, nonblocking asynchronization and polling, the other is named winsock designed by microsoft, worked via the way of windows message driven. as the foundation of process socket seizing technologies under microsoft windows, api ( application program interface ) hook technology is the core to achieve

    Windows進程套接字數據劫持技術的基礎部分, windows應用程序介面api掛接技術,該技術是實現操作不支持的殊功能的應用程序的核心,有相當難度,與的基於網路設備介面規范( ndis )的包過濾技術相,該技術的不同之處在於它可以在應用層上對任意進程的網路入和出數據進行捕獲。
  4. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本中的可行性; ( 2 )由dsss技術對濾波的要求,根據濾波理論分析了巴沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後入和出信號進行對實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  5. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了較分析,提出例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液例同步控制方案;在此基礎上著重對例閥控非對稱缸建模,最後得到位置控制的總體數學模型,從理論上對同步動態性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對的影響,優化同步的動態性能;在深入了解的動作性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤入程序的植入問題。
  6. Furthermore, we focus on the design of gamma - ray data acquisition system with universal serial bus interface ( usb ), which has the characteristics of lower power, real time and good performance, etc. there are some advantages compared with existing gamma - ray data acquisition system : ( 1 ) usb is used for communication interface. the benefits of usb are taken advantage of

    與國內外現有的譜數據採集,本論文研究成果具有以下色和創新: ( 1 )通信介面採用usb總線介面,充分利用usb技術的優點,提高了數據的速度和可靠性,並實現「熱拔插」和「即插即用」 。
  7. Using its two characteristics - fully automatic and rapid, this system can accomplish simultaneous, rapid, stable and repeatable matching with the load impedance, especially the dynamic load impedance ( eg : plasma load ). at the same time, it maintains the reflection coefficient at the desired value ( eg : 1. 2 ) to assure that the microwave transmission is at its best

    可利用它全自動化和快速的點,實時的為負載尤其是動態負載(如:等離子體負載)提供快速,穩定,可重復的匹配,自動將反射數保持到工程理想值,從而實現微波功率的最佳
  8. This method provides unequal protection for spiht bet stream with different importance, and adaptively adjusts the source and channel coding rates according to the time - varying characteristic of the channel, thus yields good performance and high reliability without adding extra bandwidth. simulations in rayleigh channel show that the scheme can obviously improve the image quality compared to eep and uep scheme, especially when the channel is in bad condition

    本方法通過對spiht編碼碼流重要性的不同而進行不同程度的保護,並利用通道的時變性自適應地調整信源和通道編碼速率,從而在不增加額外帶寬的前提下有效地提高了的性能和可靠性,經過計算機模擬模擬,得出了在瑞利通道中,條件惡劣的情況下,本方法eep和uep能更好的提高重建圖像的質量。
  9. We propose in this paper an evaluation method for the transient performance of das, through the period signal, by utilizing the much smaller difference than sampling period between the multi - periods of signal and the multi - sampling periods, getting shorter equivalent sampling period ( i. e. higher equivalent sampling rate ), which is derived from input signal period and sampling period, and then, the problem that how to get the transient performance of das has been solved. the transfer function of das is then evaluated and identified, and practical test results are also presented

    本文介紹一種方法,通過對其加載定的周期性入信號,使用采樣周期的整數倍和信號周期整數倍間的微小偏差,獲得實際采樣周期小得多的等效采樣周期,從而解決了數據採集瞬態響應性的獲取問題;並進而獲得了數據採集遞函數的辨識和評價結果,實現了數據採集瞬態性的總體評價。
  10. In this paper, we first introduce the development of high definition television in our country and the principle of cofdm technique, followed by comparing the two channel transmission standards between atsc and dvb - t for digital terrestrial television

    本文介紹了高清晰度數字電視在國內的發展狀況,並將國際上的兩大數字電視地面廣播通道標準atsc和dvb - t進行了較,在此基礎上進一步闡明cofdm的原理和點。
  11. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播的重要組成部分,是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多,性能各異,因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能,並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機較演示方案,總結了不同級聯方案的性能點,對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  12. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率函數、三維脈沖響應函數和三維光學遞函數,得到了它們在不同激發波長與熒光波長值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,的成像效果變好,當激發波長與熒光波長的值下降到一定程度時,可以看到不同程度的失錐現象。
  13. Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable

    各種改進液晶電光可調諧濾光片的措施的實現,使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片,別是用於光纖通信中的波分復用和密集波分復用,將使光纖的客量大大增加目前國外在這方面的研究進展很快,而國內在這方面的研究較薄弱,而且通常採用光線正人射晶體進行研究,由於液晶盒很薄,視場角可以很大,液晶盒的擺放對測量結果影響很大,因此對該器件進行深入的研究,討論液晶盒的方位角影響是很有必要的。
  14. In the application of pmos - 2000 system, the author carried out a hybrid encryption protocol with is suitable for information security transmission in electricity market with des, rsa and md5. with the pattern characteristics of pmos - 2000 power market operator system, and analyzed and compared with other encryption system, the author puts forward an implementing method, operational process and system structure of information encryption technology used in pmos - 2000, and the operating effects and projects which need further research and discussion were finally given. the research of this dissertation applied information security technology in power system project, which made it possible for information security transmission

    在pmos ? 2000的應用中,作者利用des對稱加密演算法、 rsa非對稱加密演算法、 md5數字簽名演算法實現了一套適合電力市場信息安全的混合加密體制,結合了pmos ? 2000發電市場技術支持的模式點,通過與別的加密體制的分析較,把混合加密體制應用於pmos ? 2000之上,並提出了這套加密在pmos ? 2000電力市場技術支持中的實現方法、運作過程和結構,最後給出了它的運行效果以及進一步可研究和探討的方案。
  15. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信的通道不可避免的存在噪聲,數據流必然存在誤碼。對于h . 26x的視頻編碼流,由於空域和時域的壓縮方法以及熵編碼方法的應用,即使是一個的錯誤,常會影響一個區域的圖像不能正確解碼,同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上,添加容錯功能。
  16. Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived

    首先,分析了紅外波段大氣輻射與衰減、對度限制光電成像功率響應性,建立了目標表現觀對度模型,並推導出了由氣溶膠消光數和距離參量確定的探測距離方程。
  17. 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

    綜合應用了低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語音、遠動數據和遠方保護等信號,具有較高的整體性能。
  18. This thesis presents a forward error correction ( fec ) algorithm and its circuit implementation, which is used in the wireless digital audio transmission system. also, an entire demo platform is built and error - correction ability of the system is tested based on this platform

    本文研究了一種應用於數字音頻無線中的前向糾錯( fec )演算法和相應的電路設計,搭建了一個硬體驗證平臺,並在驗證平臺上完成了電路的誤率測試。
  19. An investigation of the bit allocation technology for multitone systems

    多音中的分配技術研究
  20. In detail, they are bit - interleaved coded modulation ( with iterative decoding ), low - density parity - check codes and stf technology. by the performance analysis of bicm ( - id ), which can make code and modulation optimal separately, and achieve maximum possible coding diversity as well as modulation gain, guidelines for its design and an easy algorithm for siso are proposed. design of capacity - approaching of ldpc codes and efficient encoding of them as well as several kinds of its decoding algorithms are investigated

    具體的講,就是討論了基於交織的編碼調制技術,並給出了映射方式的設計準則以及核心模塊siso的一種簡單的f - map演算法;研究了編碼最小漢明距隨碼長線性增加的ldpc碼的幾個方面的問題,包括接近香農限碼子集的度分佈對的設計、有效編碼器的實現和各種譯碼演算法的優缺點,並對基於ldpc碼的bicm應用於ofdm中的性能進行了模擬。
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