編碼調制的 的英文怎麼說

中文拼音 [biānmǎdiàozhìde]
編碼調制的 英文
code-modulated
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 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...
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. The research of base band ijf coding and modulation technologies

    編碼調制技術的研究
  2. Optimal design of pragmatic adaptive turbo coded modulation

    編碼調制的優化設計
  3. 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。
  4. The system is based on a ' subaudible ' tone injected after the audio stages into the transmitter during encode and the tone is detected before the audio circuits in the receiver

    這套技術的基本原理如下，進行編碼（調制）的時候，一個「亞音」音頻信號被注入聲音信號，並在接收端的音頻電路前檢測這個音頻信號解碼。
  5. Finally yet importantly, sctcm is researched which combines sccc with high bandwidth efficiency modular method tcm. besides, the corresponding schemes of encoding and modulating of sctcm, the corresponding demodulating and decoding algorithm, and the performance simulation are also presented

    最後討論了sccc與高頻帶利用率調制方式結合的sctcm ，研究了適用於sctcm系統的編碼調制方案和解調譯碼演算法，並給出了性能模擬。
  6. Adaptive coded modulation for rayleigh fading channels

    瑞利衰落通道下的自適應編碼調制技術
  7. Digital tv qpsk modulation in the treatment of the data flow of energy to deal with the proliferation of randomization, rs codeconvolution interleave contraction coding, modulation before forming the base - band processing to ensure that the data transmission performance

    Qpsk數字電視調制器在對數據流的處理上採用能量擴散的隨機化處理rs編碼卷積交織收縮卷積編碼調制前的基帶成形處理等，保證了數據的傳輸性能。
  8. Log likelihood ratio decoding of ldpc coded modulation in ofdm system

    編碼調制的對數似然比譯碼
  9. Joint optimization for coded differential space - time modulation based on irregular ldpc code

    碼的差分空時編碼調制的聯合優化
  10. In this thesis, we compared the two acm through simulation, and analyzed their merits and flaws. then we present an optimal design scheme of average spectral efficiency in adaptive coded modulation system

    本文對上述兩種自適應編碼調制策略做了比較，分析了各自的優缺點，並提出了一種基於平均頻譜效率的自適應編碼調制的優化方案。
  11. This paper is mainly considered : 1 ) how joint coded modulation transmitter is designed based on the iterative decoder. 2 ) the combination of ldpc code with bit - interleaved coded modulaton. 3 ) the optimization of two dimensional signal constellations in joint coded modulation with iterative decoder

    本文研究工作的重點在於: 1 ）迭代譯碼對聯合編碼調制方案設計的影響; 2 ）新的糾錯編碼和比特交織編碼調制的有機結合; 3 ）高階星座的最優化問題。
  12. The technology of trellis coded modulation ( tcm ) and viterbi decoding which could achieve high transmitting rate at a low bit ' error rate are demonstrated in detail. and then the design and achievement of itu - t v. 32 modem that based on one - dimensional tcm are expatiated. the paper also discusses the multi - dimensional tcm the itu - t v. 34 modem that based on it and tcm ' s application in the carrier communication

    文中深入研究了可保證一定誤碼率的情況下能實現較高傳輸速率的網格編碼調制（ tcm ）技術和維特比譯碼技術，闡述了基於單維網格編碼調制的itu - tv . 32modem的設計和實現，討論了多維網格編碼調制技術和基於其的itu - tv . 34modem ，並對網格編碼調制在載波通信中的應用作了簡單介紹。
  13. Researches the basis watermark managing works particularly and systemly. there are many works to do on watermak technology except watermark embedding and extraction arithmetics such as the watermark choosing, encoding, modulating, demodulating and the watermark capacity. these prior and ultimate works ensure that the arithmetic is brought into effect. just understanding these, this paper analyses and researches the basic watermark theoretics in many pages. it brings forward chaos modulation on watermark modulating, brings forward chaos permuting on image permuting, introduces bch encoding on letter watermark processing and discusses the approximate estimate of the watermark capacity in dct domain and dwt domain by applying the current communication theoretics. there works not only extend ways for the later work but also are significative on watermark research

    全面系統地研究了水印信號的處理技術數字水印技術除了水印嵌入和提取的演算法外，還有許多工作需要做，如水印的選碼、編碼、調制、解調、能量的確定等等，這些預處理和后處理工作是演算法有效實施的必要保證，正是基於這樣的認識，本文利用較大的篇幅對水印的基本理論知識進行了詳細的分析和研究，在水印的調制方面，提出了混沌調製法；在圖像水印的置亂方面，提出了混沌置亂法；在文字水印的處理上，引入了bch編碼；在水印容量分析方面，結合現代通信理論，對圖像在dct域和小波域內的水印容量估算進行了詳細的探討，這些工作不僅為本文後期工作鋪平了道路，而且對數字水印的研究具有重要的意義。
  14. According to the information that reflected the condition of channel, this thesis classified acm into heuristic acm and snr - estimation acm. the system that using the first one of acm decide the scheme of modulation and coding according to the frame error ratio that reflected indirectly the condition of channel, while it using the another of acm decide the scheme according to the snr estimation

    根據反映通道狀態的信息不同，本文將自適應編碼調制技術分為基於探索的自適應編碼調制技術和基於通道信噪比預測的自適應編碼調制技術，前者根據間接反映通道條件的誤幀率和重傳次數信息來決定編碼調制方式，而後者根據通道信噪比預測的結果調節編碼調制方案。
  15. For its error correction performance extremely close to the shannon limit, from the beginning, turbo codes attracts the eyes of enormous professionals and researchers. in turn, it is called the greatest contribution after ungerboeck ' s trellis coded modulation ( tcm )

    因為它具有極其逼近香農極限的糾錯性能，從一開始turbo碼便吸引了通信領域無數專家學者的關注與研究，進而被譽為繼ungerboeck提出格狀編碼調制（ tcm ）以來，通道編碼領域最偉大的貢獻。
  16. For the background is unchangeable, this paper adopts dct commutation with dpcm, rlc coding, and huffman " s coding arithmetic of image compressing, and gets favorable effect

    由於背景不變，本文採用dpcm （差分脈沖編碼調制）結合dct變換、 rlc編碼和哈夫曼編碼圖像壓縮演算法，並取得良好的效果。
  17. Bandwidth efficient multilevel coded modulation system based on ldpc codes is described in the last part of this thesis. furthermore, the designing method of combining component code rate and degree distribution is introduced

    介紹了ldpc碼的多層編碼調制系統中，分量碼碼率與度序列分佈聯合最優的設計準則，並給出了相應的理論分析。
  18. Differential unitary space - time modulation based on rotation matrix

    基於旋轉矩陣的差分酉空時編碼調制
  19. We made an improvement in overcoming the defects in speech signal adaptive delta modulation ( abbr. adm ), such as slope overloading and grain noise. in this method, numerical sliding average filtering was used for filtering decoding speech signal. experiments and analyses indicate that the method makes waveforms in good agreement between the decoding of adm and the original pulse coding modulation ( abbr. pcm ) signal, and considerably improves, the playback speech quality in naturalness, legibility and under standability

    針對語音信號自適應增量調制（ adm ）方式中斜率過載和顆粒噪聲缺點，提出了一種改進方法，它利用滑動平均方法對解碼后的信號進行數字濾波.試驗和分析表明，該方法使解碼后的信號波形與原脈沖編碼調制（ pcm ）波形具有很好的一致性，使再生語音質量在自然度、清晰度和可懂度方面比改進前均有較大提高
  20. In detail, they are bit - interleaved coded modulation ( with iterative decoding ), low - density parity - check codes and stf technology. by the performance analysis of bicm ( - id ), which can make code and modulation optimal separately, and achieve maximum possible coding diversity as well as modulation gain, guidelines for its design and an easy algorithm for siso are proposed. design of capacity - approaching of ldpc codes and efficient encoding of them as well as several kinds of its decoding algorithms are investigated

    具體的講，就是討論了基於比特交織的編碼調制技術，並給出了映射方式的設計準則以及核心模塊siso的一種簡單的f - map演算法；研究了編碼最小漢明距隨碼長線性增加的ldpc碼的幾個方面的問題，包括接近香農限碼子集的度分佈對的設計、有效編碼器的實現和各種譯碼演算法的優缺點，並對基於ldpc碼的bicm應用於ofdm傳輸系統中的性能進行了模擬。
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