code error rate 中文意思是什麼

code error rate 解釋
誤碼率
  • code : n 1 法典;法規。2 規則,準則;(社會、階級等的)慣例,習俗,制度。3 (電)碼,代碼,密碼,暗碼;...
  • 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。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. In addition, the beamforming techniques for cdma systems are discussed emphatically. the algorithm based on code filtering is deduced in detail theoretically, and the performances such as convergence and bit error rate ( ber ) are simulated. meanwhile, we improve a decision - projected algorithm based on least - mean - square ( lms ) error

    論文重點討論了cdma系統的波束形成技術,在理論上詳盡地推導了基於擴頻碼濾波的波束形成演算法,對其收斂性、誤碼率等進行了計算機模擬;針對基於最小均方( lms )誤差的一種判決映射演算法進行了改進。
  2. According to the project of adaptive multi - rate speech coding ( amr ) being put forward by the third generation group of the mobile communication, this paper takes the principle of the speech arithmetic as the base, studies the technologies including the source controlled rate, voice activity detector, comfort noise and the error concealment unit in amr, discusses its the characteristic of adaptation and analyses its performances particularly. amr c codes are researched carefully through the modules being divided into and debugged under the tms320c54x provided by the ti corporation, and optimized in selecting the method of c code embedded assembler codes and simplified in the search codebook combining with the theory of speech coding, which are based on the realization about theory and practice of the optimization of amr speech coding

    從自適應多碼率語音編碼演算法的c代碼出發,對它進行模塊劃分後作了系統分析,將其在vc下調試通過,進一步在ti公司提供的tms320c54x環境中進行調試,結合語音編碼理論,對演算法進行優化,採用了在c代碼中嵌入匯編和簡化自適應碼本和固定碼本搜索的方法,部分地提高了c代碼效率,為實現自適應多碼率語音編碼的優化奠定了理論和實踐基礎。
  3. In this paper, after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique, the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation

    本文在碼分多址技術和正交多載波技術原理基礎上,分析了高斯白噪聲通道中多載波碼分多址( mc - cdma )系統的數學模型,並且使用不同的擴展碼對下行通道和上行通道誤碼率性能分別作了計算機模擬分析。
  4. We discuss the bit error rate of the convolutional code, turbo code encoder and decoder theory as well as the performance in awgn channel and rician channel, and present the result of simulation

    討論了rs與卷積碼級聯的誤碼率問題, turbo碼的編譯碼原理及其在awgn通道和rician通道中的性能,並給出了相應的模擬結果。
  5. In the last half century, researchers have always been searching good code with rate closing to the shannon theory limitation, error ratio being low and it being to be decoded easily

    半個世紀以來,人們一直在尋找碼率接近香農理論極限、誤差概率小和譯碼復雜性低的好碼(又稱漸近好碼或shannon碼) 。
  6. Real - time transport with dynamic error correction code utilizes error correction methods that vary with current packet loss rate and packet error rate of network

    該技術是在多媒體數據的實時傳輸中,依據網路丟包率和包錯誤率情況,動態的使用不同糾錯編碼方案的實時傳輸技術。
  7. 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。
  8. The research work that is innovative and advanced belongs to project application about software and hardware. for resolving question of realtime status information monitoring and measuring system of lines of communication on launch of aerospace, multi - line level measuring model 、 error - code rate measuring model and line - switch controlling model were designed and carried out basing on requirement of users. a reasonable scheme was brought forward for state of system 、 information processing and long - distance monitor and control

    本課題屬軟硬體結合型工程應用項目,解決航天發射中通信線路狀態信息的實時監測問題,在充分研究用戶需求的基礎上,設計並研製了多路電平測量模塊、誤碼率測試模塊、線路控制交換模塊,並就系統工作狀態的建立、各類信息的處理和遠程監控提出了合理的解決方案。
  9. The embedded instrument can communicate with host the by the interface of bluetooth which can solve the difficulty of using the cable in this area and avoid the high error code rate. in the paper, we select the tms320vc54x dsp and the ericsson bluetooth module, on the basis of rfcomm, developing a embedded instrument

    2 、針對發電廠內環境惡劣生產區域的特殊要求,設計了帶有藍牙通信功能的嵌入式工業儀器儀表,使得現場儀表能夠通過藍牙介面與工控機進行通信,從而解決此區域中鋪設線纜困難以及其它通信方式信息傳輸誤碼率高等不足。
  10. In this paper, bit - error rate performance analyses are presented for coded and un - coded frequency hopping m - ary frequency - shift keyed systems under the condition of additive white gaussian noise ( awgn ) and partial band noise jamming and multitone jamming. the use of error - correct codes provide a way to improve the performance of frequency hopping system, particularly the use of reed - solomon code in a fh system under the condition of partial band noise jamming can greatly improve the performance of system. so we provide the way of coding and decoding of rs code in c language. in the end, we offer the simulation of the performance of time diversity fh / 2fsk system over partial band jamming noise channels

    第一章為緒論,敘述跳頻通信的發展趨勢,以及基本概念,第二章及第三章介紹提高抗部分頻帶干擾的前向糾錯碼reed - solomon碼的原理和實現方法。第四章研究跳頻通信系統在各種干擾條件下的性能。最後在第五章以fh mfsk系統為例,探討在部分頻帶干擾下的系統性能,並進行計算機模擬,模擬結果表明採用分集技術和各種編碼技術對于系統的性能改善具有明顯的效果。
  11. And complex rotary codes take charge of encoding and decoding the information bits again. though the rate is a bit lower and the complexity is a bit higher than the original rs codes, the error - correcting capability of rs - complex rotary codes is improved greatly compared with rs codes. because rs - complex rotary codes can be adjusted according to the practical request, it is a class of practical code

    該碼以rs碼為主體結構,同時對信息元進行復轉碼編譯碼,雖然碼率較之原來的rs碼有一定降低,復雜度也略有提高,但是糾錯性能卻由此獲得了較大幅度的提高,同時也使碼字糾錯能力可根據通道要求而進行調節,從而大大增強了實用性。
  12. 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。
  13. However, performance is limited by the low signal - to - noise ( snr ) and high date rate. a potential solution is to add a strong error correcting code. so studying the error correcting code on uwb system is necessary and worthy

    但是超寬帶信號頻譜寬、功率低且傳輸速率很高,使其更容易受到各種干擾而影響傳輸質量,所以在超寬帶系統中研究通道編解碼技術變得非常必要和有價值。
  14. The main results are as follows : 1 ) the influence of optical source chirp on femtosecond soliton interaction is studied numerically. results show that femtosecond soliton interaction with chirp from optical source is more serious than that without optical source chirp. the former can cause larger error code rate in soliton communication systems

    其主要結果如下: 1 )對源啁啾飛秒孤子間的相互作用進行了數值研究,結果表明源啁啾飛秒孤子間的相互作用比源啁啾皮秒孤子間更加嚴重,會在通信系統中造成更大的誤碼率。
  15. 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。
  16. This paper explains the reason of code - error in network communication, and defines the method of baud rate setting

    同時對單臺pc與多臺儀表組成的主從式網路通信中誤碼的產生原因以及波特率的設置技巧做了詳盡解釋。
  17. Future wireless communication systems trend to provide multi - services to mobile users. cdma technique is adopted by the 3rd generation mobile communication systems due to its flexibility in supporting multi - services. how to keep qos of heterogeneous services and utilize the scarce radio spectrum resources is challenging for 3rd generation mobile communication systems in this thesis we developed a radio resource allocation framework for wireless code division access ( cdma ) networks that support multi - class traffic with different data rates and bit error rate requirements. we proposed a new resource allocation scheme using joint adaptive power control and mmse multiuser receiver in multipath fading system

    為移動用戶提供多種業務服務是未來無線通信網路的主要發展方向。由於cdma技術具有靈活支持多種業務的優點,因而被第三代移動通信系統所采納。如何在惡劣的無線傳播環境里以及用戶運動且相互干擾的情況下為為各類業務提供qos保證,同時充分利用珍貴的無線頻譜資源,是基於cdma技術的第三代蜂窩通信系統必須致力解決的問題。
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