輸出誤碼率 的英文怎麼說
中文拼音 [shūchūwùmǎlǜ]
輸出誤碼率
英文
output error rate- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 碼 : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
- 率 : 率名詞(比值) rate; ratio; proportion
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission
它避免了連「 1 」 、連「 0 」碼的出現,提供了豐富的位同步定時信息,減少了直流基線漂移,提高了光輸出功率的穩定性,減少了高低頻分量,改善了信號間的串擾,提供了適當的冗餘,便於檢測系統傳輸中帶來的錯誤。The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced
通過理論分析和模擬實驗,本文研究了這個非線性數字通信系統性能,給出了誤碼率和通道容量公式,提出了系統參數調節方法,採用最大似然法設計了適合這個系統輸出的判決規則。This master ’ s degree thesis firstly introduces and discusses the principle of ofdm and the merged blue print for digital terrestrial television broadcasting in china, then proposes a scheme for the test platform of narrowband ldpc decoding efficiency based on fpga. this scheme includes techniques such as time - domain synchronization using pn and power estimation using pilots
本論文首先介紹並討論了數字電視傳輸標準tds - ofdm的實現原理,對其中的一些關鍵問題做了詳細的分析,在此基礎上提出了一種基於fpga的窄帶ldpc解碼-誤碼測試平臺設計方案,即利用時域pn頭同步及頻域導頻進行功率估計的fpga設計。The research indicates that the each - sided development of stm is uneven balanced although the overall ability of stm for the primary school students increases with the grade advancing. the inhibition of output and the speed of output develop the fastest ; but the suppression of dealing with the irrelevant information and the development of the encoding ability of the temporary characteristics develop relatively late. it shows that intrusions and repetitions have no differences in terms of grades advancing while the proportion
小學生完成系列回憶任務盯錯誤類型發展的買驗研究從本研究中可以看出,雖然小學生stm整體能力隨年級升高而不斷提高,但stm能力的各側面發展是不平衡的,其中輸出抑制和輸出速度發展最快,而對無關信恩的抑制和暫時特徵編碼能力發展相對較晚,表現為隨年級的升高,侵入錯誤和重復錯誤無年級差異,而遺漏和移動錯誤錯誤率存在顯著差異。In addition, this paper discusses the application of the parameter - induced stochastic resonance in the m - ary pam signal transmission, and explains the mechanism to stochastic resonance in a new view. we found that the single well is able to distinguish different signal levels, based on which the theory for m - ary pam signal transmission via parameter - induced stochastic resonance was briefly developed. the error code rate of m - ary pam signal was obtained
此外,本文還初步探討了參數誘導的隨機共振在多進制數字調制信號傳輸中的應用,從不同的觀點解釋隨機共振形成的機理,充分認識到非線性系統單勢井的信號處理能力,並給出多進制信號誤碼率的理論公式,模擬實驗表明這個研究方向具有很好的研究前景。There are many results on sr with binary digital input. as an extension of our previous works, a dynamic bit error rate ( dber ) is obtained in this thesis. the dber is a more accuracy measure to be used in sr with binary input, because the evaluation of system output is considered more detailedly with the concept of system response speed
對於二進制數字信號輸入的情況,已有頗多研究結果,本文是在引入了系統響應速度的基礎上,具體結合二進制信號的檢測形式,對上述情況下的系統輸出的統計性態進行了詳細的研究,並最終得到了一個優于以前結果的系統輸出誤碼率公式,給系統參數的選取提供了更好的依據。Firstly, the paper gives the mathematical model of the shaping - filter functions and discusses their transmission characteristics
首先給出了成形濾波函數的數學模型,討論了幾種常用成形濾波函數的傳輸特性以及對傳輸系統信號誤碼率的影響。Considering the bandwidth efficiency, the error rate performance and the complexity for realization together, we construct a digital transmission system with single - carrier modulation technique using the optimum premodulation filter. then the system parameters and performance indexes are prensent
綜合考慮帶寬效率、誤碼性能和實現復雜程度以後,構建出基於單載波調制技術的無線數字傳輸系統,並給出系統參數和性能指標。The measure mentioned above, and the dber have been used in the work of signal detection under the background of real sea noise
動態誤碼率公式,以及上面提到的多頻信號輸入時系統輸出性能的衡量指標,已經被成功的應用在了我們對海洋噪聲背景下的信號檢測的研究中。We discussed detailedly the application of parameter - induced stochastic resonance in binary baseband pulse amplitude modulated ( pam ) signal transmission. the system ' s measurements : bit error rate and channel capacity were deduced. the numerical simulation demonstrated our theoretical analyses
我們著重討論了參數誘導的隨機共振在二進制基帶脈沖幅值調制( pam )信號傳輸中的應用,詳細推導出了衡量系統傳輸性能的誤碼率和通道容量公式,並利用模擬模型進行了數值模擬,理論分析和模擬結果非常符合。For practical implementations, simpler decoding algorithms have been suggested. this decoder implements iterative decoding of tpcs using a soft - input hard - output decoder, followed by reliability calculations to obtain oft - decisions from the hard - output of the decoder. the performance of this decoder is nearly optimal and thus the decoding strategy presents a good compromise
針對實際應用中存在的計算復雜問題,在重復譯碼實現中採用軟進/硬出的簡化演算法,用可靠度估計從硬判決輸出中獲得軟信息,從而使譯碼器在性能優越和計算簡便之間獲得了一個很好的折中,並通過硬體實現了tpc的實時解碼,在低信噪比( eb / n0 )的條件下取得了非常低的誤碼率。Mechanism and difficulty of current real - time transport technology are analyzed in this article, technologies such as multicast, real - time transport, resource reservation and error correction code technologies are studied in this dissertation. a method of improving the quality of real - time transport of multimedia data on network on where packet loss rate and packet error rate are high is provided
本文分析了現有網路數據實時傳輸的機理及面臨的困難,研究了多播、實時傳輸、資源預留以及糾錯編碼等技術在實時傳輸中的應用,給出了在低帶寬、包錯誤率和丟包率較高的網路中提高多媒體數據實時傳輸質量的方法,提出了帶動態糾錯編碼的實時傳輸技術。Frequency - selective fading due to multipath propagation is a big obstacle in wireless communication. in the condition, the intersymbol interference ( isi ) comes into being and communication system appears error received symbol
多徑傳輸效應引起的頻率選擇性衰落是無線通信的一大障礙,使接收信號產生碼間干擾( isi ) ,導致通信系統出現誤碼。Last, based on the mc - cdma system model above mentioned, the matlab simulation is done. by the simulation of the ber performances from white gaussian noise, peak power clipping and combating multipath interference are analyzed, and some conclusions are obtained that mc - cdma is superior to ofdm
最後,在上述給出的mc - cdma模型中,通過matlab模擬分析了在mc - cdma與ofdm兩種系統中由高斯白噪聲、削波噪聲以及多徑干擾所造成的誤碼率分佈曲線,得出mc - cdma系統在無線數據傳輸方面較ofdm系統更具有優良的特性,並給出了比較具體的性能分析。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Through analyzing decision variable of receiver, the f - pe method can increase autocorrelation of desire user ' s spreading sequence, and improve the ber performance
對接收機判決變量輸出分析表明,該演算法能有效增加關心用戶的解擴濾波相關峰值,對誤碼率性能有很好的改善。In order to realize a multi - ways video player, we have lucubrated in the efficiency of video decoder, error concealment and video transport in network, accomplished an efficient multi - ways video player
本文從實現監控端多路視頻播放器的目的出發,對視頻播放器的解碼器效率、誤碼掩蓋和視頻網路傳輸等關鍵技術進行了深入研究,並實現了一個高效的多路播放器。分享友人