data transmission error 中文意思是什麼

data transmission error 解釋
數據傳輸差錯
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • transmission : n 遞送;傳遞;傳達;傳染;移轉;【機械工程】傳動;傳遞;變速器;聯動機件;【無線電】傳送;發射;...
  • error : n. 1. 錯誤;失錯。2. 謬見,誤想;誤信;誤解。3. 罪過。4. 【數學】誤差;【法律】誤審,違法;(棒球中的)錯打。adj. -less 無錯誤的,正確的。
  1. 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

    由於視頻業務的數據量大、對誤比特率要求高,無線通道又具有易錯、時變和帶限的特點,因此通道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。
  2. The extensive use of prediction and variable - length coding in video coding renders compressed bitstreams especially vulnerable to transmission errors and data losses. based on detailed analyses of mc - dpcm / dct mechanism, several error detection, resilience, concealment methods are discussed in this paper

    本文在分析mc - dpcm dct壓縮視頻特點的基礎上研究了各種誤碼檢測方法,並詳細討論了編碼端的誤碼容錯、傳輸層差錯控制、解碼端的失真屏蔽以及編碼器和解碼器交互的差錯控制方法。
  3. The multipath interference, resulted from interfering between the signals of the line of sight ( los ) and the line of ground reflection in vhf - rc, makes bit error rate of data transmission increased and system reliability attenuated

    當前,中國水波中繼通道以直視路徑傳播為主,同時存在地面折射路徑對直射信號產生干涉,造成多徑干擾。這種干擾使得信號傳輸的誤碼率上升,系統可靠性下降。
  4. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上,討論了幾種採用典型調制技術的短波數傳系統(如時頻調制、多進制頻移鍵控慢跳頻、 chess系統)原理、優缺點以及抗衰落和抗符號間干擾的性能;分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術;在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制,給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案,並通過計算機模擬進行了初部驗證。
  5. High - performance isolation power supply, magnetism isolation chip and photoelectricity coupler are employed to accomplish high - speed transmission for data, which improve the noise restraint and electric isolation. in addition, the error of measurement of the universal counter is analyzed in this thesis

    使用了高性能的隔離電源、磁隔離晶元和光電耦合器,實現了對計數器的完全隔離,起到了很好的抗干擾效果和電氣隔離作用,可以實現數據高速傳播。
  6. We analyse the causes of data error during data transmission, compare several error - controlling codes with each other, and point out error - controlling developing trend

    摘要分析了數據傳輸差錯產生的原因,比較了幾種差錯控制編碼,最後指出了差錯控制未來的研究方向。
  7. According to similar ft3 frame format and its checkout mode of dnp data link layer, the relationship between fer ( frame error rate ) and ber ( bit error rate ), frame length is deduced. the computation formulas of average transmission times and repeat transmission times guaranteeing the correct transmission of telecontrol information are given as well

    根據dnp3 . 0規約數據鏈路層類ft3幀及其校驗方式,推導出幀傳輸失敗概率(誤幀率)與通道誤比特率和幀長的關系,同時給出平均傳輸次數和重復傳輸次數的計算公式。
  8. We firstly study some aspects, such as the modulation ( ofdm ) in the physical layer and the media access control ( mac ) protocols, combining reliable data transmission with high - throughput access methods and real - time, quality - of - service ( qos ) features. some problems exist in tcp applications over plc, because the high bit error rate makes it difficult to estimate the round trip time ( rtt ) and causes unnecessary retransmission

    通過對現有的兩種產品( homeplug和inari )的mac協議:類似無線通訊csma ca協議(以競爭為基礎)和集中式的令牌環( ctp )協議(避免競爭)的媒質接入控制的原理進行分析和計算,對兩個協議進行了性能評價及分析了它們對qos的支持。
  9. 5 data transmission line uses strong anti - interference ability of exceed the fifth kind twisted - pair each has eight core which guarantees the data has no error in the transmit ion

    5數據傳輸線使用抗干擾能力強的超5類雙絞線1根8芯,保證數據在傳輸中無錯誤。
  10. Since this decoder has high error - correcting speed and regular structure, it may apply to data transmission and storage to decrease error rate

    由於該譯碼器有較高的糾錯速率和規則的設計結構,使它可以方便地用於數據傳輸和存儲過程中進行差錯控制。
  11. Point - to - point data transmission equipment equipment can pack multiple high - speed data flow distal to resume transmission after, several can relay signals without error. been widely used in various industries

    設備能將多路高速數據流打包復用后傳輸到遠端,信號可經多次中繼無誤碼,在各行業得到廣泛的應用。
  12. Measurement and control ; performance tests on process computer systems ; time measurement ; function tested : data transmission with error free transmission circuit

    測量和控制.過程計算機系統的性能試驗.時間測量.被測
  13. As to the error control and data correction, the parity check and hamming code check solutions are provided also to guarantee the reliability of data transmission and improve the anti - jamming capability of the system

    在差錯控制和數據糾錯方式上,也提供了奇偶校驗和漢明碼校驗的解決辦法,以保證數據傳輸的可靠性,提高系統的抗干擾能力。
  14. Real - time characteristics of data transmission, remarkable transmission, error - detection and automatic retransmission built in can protocol make it a good option for power line carrier communication, which has some obvious drawbacks such as wide - range variant input impedance, interference and signal attenuation

    Can協議中數據的實時傳輸、卓越的錯誤檢出及自動重發功能為建立高效的基於電力線載波(電力線介質存在著大范圍變化的輸入阻抗,較強的干擾和信號衰減)的can通信系統提供了方便。
  15. Based on these advantages we analyze the performance of constant - power variable - rate m - qam schemes for spectrally efficient data transmission over nmf channels. by introducing the adaptive modulation approach, we gain two things : 1 ) the error rate is kept at a constant level. 2 ) the achievable spectral efficiency comes within 5 db of the shannon capacity limit. at the last chapter, the presentation of a single base station and a single mobile scenario proved the feasibility of adaptive schemes

    然後作者的精力轉入通道的自適應方案的研究中,首先通過研究發現nakagami衰落因子的適當調整可以近似於常見的瑞利衰落和萊斯衰落,接著研究在無線通道中採用三種不同自適應方案時的通道容量,研究表明速率的調整是增加通道容量的關鍵,在此基礎上,著重研究了離散變速率qam的情況,表明這種調制方案無論在頻帶利用率還是在系統平均誤碼率比其它情況提高很多。
  16. In the code division multiple access ( cdma ) system, the multiple access interference ( mai ) mitigation capability as well as system capacity are determined, to a great extent, by the correlation properties of spreading sequences ; while adaptive modulation and coding ( amc ) with high spectral efficiency is the key technique to obtain high speed and low symbol error rate ( ser ) performance in mobile data transmission

    在碼分多址( cdma )系統中,擴頻序列的特性在很大程度上決定了抗多址干擾( mai )能力和系統容量,而高頻譜效率的自適應調制編碼( amc )技術則是獲得高速率和低誤碼率( ser )移動數據傳輸性能的關鍵因素。
  17. Abstract : some problems about overall design of a small unmanned air vehicle telemetry system are presented in this paper. the construction and fundamental principle of the telemetry system is simply introduced. according to the telemetry task requirement, the key problems which should be solved at first are demonstrated mainly by system " s capacity design and channel design. the needed data transmission rate is carefully calculated with the telemetry parameter table provided by user and on this basis the frame structure is decided. the bit error rate in factual telemetry channel is grossly estimated in theory and a channel encoding scheme is provided to improve data transmission quality to meet with the requirement for extremely low bit error rate

    文摘:論述了某型號無人機遙測系統中的容量和通道設計問題.文中對該遙測系統的組成和原理進行了介紹.結合具體的遙測任務需求,在容量設計中確定了數據傳輸率和使用的幀格式,在通道設計中,通過計算實際通道中的誤碼率,提出了相應的通道編碼方案以確保數據傳輸的低誤碼率要求
  18. Data flow approach using qpsk modulation, forward error correction and interference with the advantage, meet international standards for data transmission related technical parameters of microwave transmission equipment

    數據流採用qpsk方式調制,具有前向糾錯及抗干擾強的優點,符合國際數據傳輸相關標準微波傳輸設備技術參數
  19. In this paper, we analyze the statistic characters of time - delay in detail, and put forward to adopt elman nn to forecast time - delay intelligently, design appropriate compensator based on adaptive smith forecast theory. the experiment results prove that this method can improve the forecast accuracy and system ' s dynamic performance. in the application of real time data transmission, forward error correction ( fec ) is a good method to resume the lost data

    針對這個問題本文進行了詳盡的統計特性分析,並且提出採用elman動態神經網路結構對網路時延進行智能預測,並根據自適應smith預估補償控制原理設計合適的時延補償器,並且應用於基於web的二階水位控制系統中,實驗結果證明了採用此方法可以提高預測精度,使時延補償器適應時延變化的動態性更強,從而在保證系統穩定性的基礎上,西安理工大學碩士學位論文提高系統的時延補償精度。
  20. But the data transmission of cooperative design demands the perfect reliabil ity, so some necessary error control methods used in application are indispensable to realize the reliability of data transmission

    而在協同設計中的數據交互要求能夠保證數據傳輸的完全可靠,因此必須在應用程序中進行必要的控制方法來實現ip多播的可靠傳輸。
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