無數據通道 的英文怎麼說

中文拼音 [shǔtōngdào]
無數據通道 英文
data free way
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 通量詞(用於動作)
  • : 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) ...
  • 數據 : data; record; information
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中編碼視頻信息在進行打包封裝前,首先根當前狀態信息自適應地確定其在nal層中的工作模式,在丟包中採用單片模式以降低編碼視頻流的打包開銷,提高編碼效率;而在丟包中採用分區模式以提高編碼視頻流對誤碼的魯棒性能,同時基於人眼視覺特性,提出了一種改進的uep策略。
  2. Because of huge data quantum and high demand of channel bit error rate for video transmission, and fallibility, time variability and limited band of wires channel, wireless video system is faced with lots of problems

    由於視頻業務的量大、對誤比特率要求高,又具有易錯、時變和帶限的特點,因此的誤比特率要比有線環境大得多,且隨著基站和終端位置、方向的改變而變化很大。
  3. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控( cck )的原理的基礎上,本文提出並實現了一種峰值傳輸速率為11mbps的802 . 11bpcmcia高速線網卡的硬體電路設計方案,在2 . 4ghz頻段該網卡可在14個工作上自動切換,實現高速突發的可靠傳輸。
  4. At same time, a simulation platform was established for computing the capacity of wireless mimo channel, and on the platform it was calculated out the cumulative distribution functions ( cdf ) of the channel capacity of the integrated mimo channel model on the basis of specific parameters provided by the 3gpp standard rl - 02 - 0181 specifications

    同時創建了一個線mimo容量的模擬平臺。並以3gpp標準r1 - 02 - 0181所規定的具體參為依,在該模擬平臺上計算出了模擬容量的累計分佈,並和相應條件下的理論容量進行了分析比較,得到了有關結論。
  5. There are many decoding schemes for convolutional code, such as sequence decoding algorithm, fano algorithm, viterbi algorithm. but in fact, what ' s used widely is viterbi decoding algorithm. the viterbi decoding algorithm, proposed in 1967 by viterbi, is a decoding process for convolutional codes in memory - less channel, which takes full advantage of convolutional codes. since viterbi algorithm is proposed, it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems, especially to digital wireless communications and deep space communications

    卷積碼的譯碼演算法方案有很多,如序列譯碼演算法、 fano演算法、 viterbi演算法,但是真正大規模應用的還是viterbi演算法。 viterbi譯碼演算法是1967年viterbi提出的,它是一種對記憶卷積碼進行譯碼的演算法。它充分發揮了卷積碼的特點,因而自viterbi演算法提出以來,論在理論上還是在實踐上都得到了極其迅速的發展,並廣泛的應用於各種傳輸系統,特別是信和衛星信系統中。
  6. Aiming at the demand for the wireless data transmission using the public mobile network and the need of the wireless meter reading system, the gprs ( general package radio system ) wireless data transmission terminal used as the wireless channel for data transmission was designed and applied to the wireless meter reading system

    本文針對目前利用公網進行信的需要,以及線抄表系統的需求,設計了該gprs傳輸終端,用作傳輸的,並最終實現了該gprs傳輸終端在線抄表(電表)系統中的應用。
  7. Convolutional coding is an error - control coding to process continuous data stream. the viterbi decoding algorithm is a type of maximum likelihood algorithm for memoryless channel. the convolutional coding employed with viterbi decoding algorithm has already become indispensable channel coding scheme in modern communication systems

    卷積碼是一種糾錯編碼,它可以對連續的流進行處理; viterbi譯碼演算法是一種對記憶卷積碼進行譯碼的最大似然譯碼演算法,使用viterbi譯碼演算法的卷積碼已成為現代信系統不可缺少的編碼方案。
  8. ( 2 ) research the instruction launch strategy, controls correlation processing and data correlation processing of 32 - bit mips ’ s double - launching pipeline. obtained the design modes : static launch, optimized compile instruction, 1st pipeline jump and branch processing and double pipeline four channels front data path. ( 3 ) achievement designs by the platform xilinx ise 5. 2i, uses the verilog hardware description language to carry on the design description to the double - launching

    ( 2 )對基於32位mips架構雙發射流水線的指令發射策略、控制相關處理和相關處理等流水線結構的重要問題進行深入研究,並得出了靜態發射、優化編譯指令序、第一流水線延遲分支處理和雙流水線四前向路等一系列能夠與32位mips架構相匹配的雙發射流
  9. 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,中間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
  10. This link may be a high - speed data communication circuit, a local area network ( lan ), a telephone live or a radio channel

    這種連接的鏈路可以是高速信電路、局域網( lan ) 、電話線路或
  11. The writer synthesize the technology of computer, wireless data communication, automatic control, ect., based in the cosideration of update communication technology according with the traditional industrial, implement a data transmission channel using gsm short message platform, which can meet the requirements of monitoring, dispersing and non - watching of the monitoring collection points, it is also a monitoring collection system with the features of wide covering by net, non - schedueld and unfixed monitoring, and it has the strong points of low investment and low management cost as well. this system has advantages compared with other systems that should meet the requirements as dispered locations of monitoring collection, wide covering, unfixing monitoring, non - strict demand for real - time

    基於將最新訊技術融合到傳統產業中的考慮,綜合計算機、訊、自動化控制等技術,作者成功實現了以gsm短消息平臺作為一種傳輸,適合監控採集點移動、分散、人值守,具有網路覆蓋面大、可不定時動態監控特點的線監控與採集系統,該系統具有用戶投資小、運營費用少的優點,對于解決監控採集點分散、覆蓋面廣、監控點移動、實時性要求較低的監控與採集任務具有可比擬的優勢。
  12. In mobile communication and high - speed wireless digital communication, multi - path, the finity of channel bandwidth and faultiness of the channel, lead to the bringing of intersymbol interference ( isi ) when data transfer. this is an important factor that degrades the performance of communication. however channel equalization technique can eliminate the isi and noise, it can also reduces the bit error ratio

    在移動信及高速信中,多徑效應和帶寬的有限性以及特性的不完善性導致傳輸時不可避免地產生碼間干擾( isi ) ,成為影響信質量的重要因素,而的均衡技術可以消除碼間干擾和噪聲,並減少誤碼率。
  13. Radio broadcasting systems - data radio channel - system for wireless infotainment forwarding and teledistribution

    線電廣播系統.線電.線infotainment轉發和遠程分配系統
  14. 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分鐘採集一次兩路液壓壓力值;採用「融合」技術進行溫度補償;容量大,能存放約13天的壓力; led顯示器可交替顯示兩路壓力值;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。
  15. 14 sun m t, huang l, arora a, lai t h. mac layer multicast in ieee 802. 11 wireless networks. in proc. the international conference on parallel processing icpp 2002, 2002

    簡言之, busy tone是在之外的一個控制上傳輸的線信號,因為busy tone僅要求能夠被檢測出存在與否,所以傳輸busy tone的控制只需要佔用很小的帶寬。
  16. 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信系統的重要技術,它結合了編碼、調制和接收端的信號處理,能夠充分利用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。
  17. By means of the proposed reinforcement learning algorithm and modified genetic algorithm, neural network controller whose weights are optimized could generate time series small perturbation signals to convert chaotic oscillations of chaotic systems into desired regular ones. the computer simulations on controlling henon map and logistic chaotic system have demonstrated the capacity of the presented strategy by suppressing lower periodic orbits such as period - 1 and period - 2. meanwhile, the periodic control methodology is utilized, the higher periods such as period - 4 can also be successfully directed to expected periodic orbits

    該控制方法需了解系統的動態特性和精確的學模型,也不需監督學習所要求的訓練過增強學習訓練方式,採用改進遺傳演算法優化神經網路權系,使之成為混沌控制器,便可產生控制混沌系統的時間序列小擾動信號,模擬實驗結果表明它不僅能有效鎮定混沌周期1 、 2等低周期軌,而且在周期控制技術基礎上,也可成功將高周期混沌軌(如周期4軌)變成期望周期行為。
  18. Gprs, named as 2. 5g technology, is based on the gsm network to provide ability to perform packet switch and packet transmission. gprs can provide the point - to - point services with higher speed with in some cases are up to 115kbits. comparing with gsm platform, gprs occupy the wireless channel only when there is data to be transferred, and many users can share the same physical channel

    Gprs不同於gsm的固定電路連接方式,它僅在有傳送需求時利用分組傳送,所以僅在有信時佔用物理資源。這種對的統計復用能夠使用戶更有效地共享網路資源,並為運營商提高現有設備以及容量等網路資源的利用率。
  19. The principle of the maglev train is quite different from the tranditinal train. because there is no michanical friction between the train and the rail, the communication via the loop of rail and wheels is unable to use

    磁浮列車在工作原理和運行方式等方面不同於傳統的輪軌列車,車輛和軌沒有機械接觸,法由車輪和導軌組成迴路來完成信。
  20. Water gauge this adopt through concentrator and up channel, computer of main website gsm or cdma the public have no network, very swift and steady realization data communication

    該水表過集中器與計算機主站之間的上行採用gsm或cdma公眾線網,可快捷穩定的實現訊。
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