binary channel 中文意思是什麼

binary channel 解釋
雙通道, 雙通路
  • binary : adj. 二，雙，復；【化學】二元的；【數學】二進制的。n. 二，雙，復；雙體，復體；【天文學】雙[聯]星【數學】二進制。
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  1. Binary erasure channel

    二元消失通信路
  2. The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system

    模擬結果表明，採用行列交替約束的約束維特比譯碼以後，性能得到較大的提升，尤其在突發錯誤通道中，傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。
  3. In the send site, binary message sequence is modulated between pulse sequences, then took it into wireless channel

    發送端將二進制信息序列調制于脈沖序列的間隔中，然後送入無線通道。
  4. 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。
  5. 4 di c, proietti d, telatar i e et al. finite - length analysis of low - density parity - check codes on the binary erasure channel. ieee trans

    如果停止距離較小， ldpc碼在迭代譯碼下的錯誤概率曲線經常會出現所謂的"地板效應error floor 。
  6. In this paper, we study the stopping sets, stopping distance and stopping redundancy for binary linear codes. stopping redundancy is a new concept proposed by schwartz and vardy recently for evaluating the performance of a linear code under iterative decoding over a binary erasure channel. since the exact value of stopping redundancy is difficult to obtain in general, good lower and upper bounds are important

    近年來，迭代譯碼的性能分析是低密度校驗ldpc碼研究領域的熱點問題之一， di等人在2001年指出：迭代譯碼在二元刪除通道bec中的性能可以由ldpc碼的停止集stopping set完全刻畫。
  7. Bsic binary symmetric independent channel

    二元對稱獨立波道
  8. We shall see how a speech channel be conveyed as a series of amplitude values, each value being represented as a sequence of 8 binary digits

    被省略的邏輯主語多數情況下指的是主句的主語或逗號前整個句子的含義，點也有少數列外。具體情況以後結合課文講解。
  9. It takes use of pseudo - random technology, dynamic adaptive technology, multi - channel technology, random position embed technology and so no. so the digital watermarking can resist the physical process of printing and scanning. at the same time, the watermark is binary image which includes a great deal of information, such as personal id, secret information, even a piece of map

    本文特別針對印刷和掃描給數字圖像帶來的誤差的問題，設計了一種新的水印演算法，綜合運用了偽隨機處理技術、動態自適應技術、不同應用選擇不用頻帶處理技術、隨機位置嵌入技術、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所設計的水印是二值圖像，能夠承載大量的信息，例如個人id 、機密信息、商標標識，甚至可以是一幅地圖。
  10. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  11. In the new model, the legitimate partners can control the error bit rate of the eavesdropper ' s channel by adjusting their virtual binary symmetric channels. when our new model is implemented, the problem of receiving synchronization of the partners will not occur

    在該模型中，通信雙方使用虛擬的二元對稱通道來控制竊聽方接收通道的誤比特率，而且使用該模型也不存在信息接收同步的問題。
  12. ( 3 ) fabrication methods of planar, y - branches, and channel waveguides employing structure lights formed by cylindrical lenses and optical binary masks are investigated experimentally in detail

    對利用柱透鏡和光學二元掩模板形成的結構光在光折變晶體中寫入平面光波導、 y型光波導以及通道光波導的方法進行了詳細的實驗研究。
  13. This paper can put into four parts ? this first part is the description and theoretical analyses of source coding, which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding, which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models, binary symmetric channel and cdma channel o in this part, two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts, one is to find the most appropriate quantization steps and centroid points of separate channel - source coding, another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding, the characters of joint channel - source coding are given

    本論文可以分成四部分：第一部分給出了信源編碼的基本概念和理論分析，重點放在最優均勻量化編碼的研究方面；第二部分給出了通道?信源聯合編碼的原理敘述，重點放在復合式通道?信源編碼的分析研究上；第三部分將通道-信源聯合編碼原理應用在兩種噪聲通道上：離散無記憶通道和cdma通道，並根據兩種通道的不同特點詳細描述了兩種相應的編碼設計方案；第四部分給出了復合式通道-信源編碼的模擬結果以及對結果的相應分析。
  14. For membrane contactor process, the binary gas mixture diffusion through the pore channel should be considered as a transition diffusion of the absorbed momentum a through the stagnant momentum b. and the process would consist three steps : transition diffusion through the pore channel, stephen diffusion in the pore edge, and the pore interaction in the membrane surface

    對于孔形狀為近似橢圓形的聚丙烯微孔膜，在研究擴散問題時，其等效孔徑可採用葉孔擴散問題中的孔形狀校正公式來計算。在膜接觸器中，氣體通過微孔膜的擴散機理為過渡擴散，其擴散過程包括通過孔道主體的過渡擴散、微孔膜出口處孔道邊緣的stephen擴散以及孔之間的相互作用。
  15. In this paper, the author comprehensively expatiates the research on microwave phase in - lock frequency modulation. at first, the background of reentry telemetry system and the features of pcm telemetry system are presented, and then the author mainly discusses the application of phase in - lock fm techniques in the design of pcm transmitter and the analysis of characteristics of binary pcm reentry telemetry channel

    在文章的前面，作者簡單介紹了目前再入遙測技術發展現狀和pcm系統的特點；然後給出了二元pcm再入遙測通道的系統分析和高碼速率數據傳輸實現的主要途徑；在文章的第三部分，討論了鎖相調頻技術及其在pcm遙測發射機中的實際應用。
  16. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統，在加性高斯白噪聲通道中，通過研究這個非線性接收器的性能，發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值，並對這種非線性現象發生的基本機理進行了解釋。
  17. 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。
  18. Analysis and simulation results show that, compared with the ieee802. 11 binary exponential backoff ( beb ) algorithm and other algorithms that have been employed to address the fairness problem, the proposed qbwf algorithm is simpler and practical. also, by choosing appropriate parameters, the qbwf algorithm can effectively improve the channel access fairness and achieve a preferable trade - off between fairness and throughput

    分析與模擬結果表明，與ieee802 . 11標準的二進制指數退避（ beb ）演算法和其它改善通道接入公平性的演算法相比，本文演算法更為簡單實用，且對于合適的參數取值，本文演算法能有效地改善通道接入的不公平性，並能在通道吞吐量的下降和通道接入公平性的改善之間達到一個較好的折衷。
  19. Simulation is operated with ns2 under linux, and the simulation results show that, the presented algorithm is simpler and more practical, while it can improve the fairness index of ad hoc network to a large extent compared with the ieee802. 11 binary exponential backoff ( beb ) algorithm. it can make better use of the wireless channel by dynamically adjusting its backoff timer according to the network ' s contest situation. in addition, service differentiation can be achieved among flows with different qos requirements and thus the qos for medium access control in ad hoc network is improved

    通過在linux系統下利用networksimulator （ ns2 ）模擬工具對演算法進行計算機模擬分析，結果表明，與ieee802 . 11標準採用的二進制指數退避（ beb ）演算法相比，該文所提演算法更簡單、高效，它能在很大程度上提高adhoc網路通道接入的公平性，並能動態地提供服務區分，保障對多媒體等多種實時業務的傳輸需求，同時，演算法可以根據網路當前具體的競爭激烈情況，動態調整退避時間值，從而提高通道的利用率。
  20. Binary symmetric channel

    二進制對稱道
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