最優編碼 的英文怎麼說

中文拼音 [zuìyōubiān]
最優編碼 英文
optimum code
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
  • : 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...
  • 最優 : optimal; optimum最優策略 optimal policy; optimal strategy; 最優設計 optimum design; 最優值 optima...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. The focus of this paper is the problem of frequency optimum codes of irrelevance processing. the method of researching optimum codes by using costas array method is given

    著重討論了非相干處理時的頻率最優編碼問題,給出了以costas陣列方式尋找最優編碼的方法。
  2. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的灌溉制度。
  3. Proposing to adaptively encode run length with 3 symbol ' s arithmetic coding in term of it ' s binary form, which can be generalize any codec using run length. hereby, bdrl is realized to form embedded bitstream

    與一些流行的性能秀的小波器相比,對于文中的一些測試圖像,在各個比特率時mcgsd的效果都是好的,峰值信噪比( psnr )值都是高的。
  4. In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively

    而melp語音壓縮演算法是在線性預測參數模型的基礎上,採用混合激勵的形式,並且結合了多帶的思想,因此它擁有線性預測和多帶激勵的點,是目前低速率語音中一種比較理想的方案,也是本文研究的重點。本論文通過研究melp的語音演算法的原理,對它的過程作了比較深入的研究,對其中的一些公式進行了理論推導,並作了模擬分析,後研究了該演算法的c語言實現。
  5. Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed

    其後,在具體的子adc設計中,對比各比較器類型的缺點,並基於預放大鎖存快速比較理論,提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓大波動限制,在回饋噪聲對輸入參考電平的影響和功耗之間折衷,確定化的參考電阻串阻值;根據不同級精度的要求,設計出時鐘控制電路。
  6. Performance discussion groups are full of questions like " should i code like this, which is how everyone usually does it, or should i code like that, for better performance ? " conventional wisdom suggests that we should avoid early optimizations and apply best practices until performance measurement shows the need for optimization, but the reality is that every time we write a line of code, we are making a decision that can affect performance

    性能討論組中充斥著類似於這樣的問題「我應該像大多數人那樣寫代,還是為了得到更好的性能那樣寫代? 」一般專家會建議應該避免早期的化,並且直到性能測試顯示需要化的時候才使用方法,但實際情況是我們每寫一行代都在做出會影響到性能的決定。
  7. Considering of the differences of task scheduling between a grid and a distributed system, this dissertation designs a real number encoded mode that mapping every task to a random resource directly by improving the encoding mode of the traditional genetic algorithm, and gives a particular design to the encoding and decoding mode. at last, this algorithm is simulated in the grid simulator. the experiment results show that the reformative genetic algorithm not only has a holistic searching ability, but also makes a fast convergent speed, which provides a preferable performance

    本文根據網格計算任務調度的特點,提出了基於改進的遺傳演算法的網格任務調度,通過對傳統遺傳演算法的方式進行改進,針對網格任務調度與一般分散式系統任務調度的不同之處,設計了資源?任務的一一對應的實數方法,詳細設計了其及解方式,後在網格模擬器中進行了模擬,實驗數據證明了改進后的遺傳演算法即具有全局搜索能力,又具有較快的收斂速度,具有較好的性能,該實驗達到了本文以實現任務調度的跨度為目標的實驗目的。
  8. Rate - distortion analysis and rate control play a key role in video coding and communication systems by providing the rate - distortion optimized compression performance, assuring the successful network transmission of the coded video data, and achieving the best visual quality at the receiver

    為了取得化的壓縮效率,確保數據在通道成功傳輸,並在接收端獲得佳的視頻質量,率失真化和率控制技術具有重要的地位。
  9. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪基本原理,介紹了兩類標準的rs類糾刪,重點分析了具有線性時間和恢復演算法的漸近好?級聯型低密度糾刪,分析了正則度分佈的閾值,對正則低密度校驗在刪除通道下的糾錯性能進行了模擬,從理論上證明了基於( d , 2d ) -正則度序列的低密度糾刪都不是漸近( d 3 ) ,同時還分析了非正則低密度校驗的度序列設計,基於右邊正則序列提出了一種改進型右邊正則序列,證明了此序列為漸近擬的,對基於幾類現有典型度分佈序列的級聯型低密度糾刪進行了模擬模擬及性能分析; 3
  10. Channel coding is based on more recent developments by the scientific community : low - density parity - check codes are adopted. low - density parity - check codes were first introduced by gallager in 1960. but due to the calculating effort in implementing, they were mostly ignored

    其性能如此異的一個重要原因是採用了當今糾錯技術發展的新成果? ?低密度校驗( ldpc , low - densityparity - check )
  11. An improved viterbi algorithm of dsp generat ion is brought up to, and a new coding gain testing system is designed. the system tests the coding gain of the error - control system, and the coding gain is 9. 4db which exceeds the proposed index. at last, some suggestions are presented for the work in the future

    在對維特比譯演算法研究的基礎上,提出了維特比譯演算法基於dsp的改進方法,並且設計出一種新的增益測試系統,對卷積和維特比譯組成的差錯控制系統的增益進行了測量,測試結果為9 . 4db ,于設計指標,後提出了一些對將來工作的建議。
  12. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究,討論了聚類問題的方式和適應度函數的構造方案與計算方法,分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較強的穩健性,可避免陷入局部,大大提高聚類效果。
  13. The main content is design of digital man - machine interface system, a speed regulating system of good stabilization and dynamic performance ; software for appraising the performance of wire feeder. the first, a digital man - machine interface system using at89s8252 singlechip is designed. the system uses sd7218a keyboard / display chip with serial bus interface

    首先,人機交互系統選用at89s8252為核心控制晶元,選用具有串列總線介面的sd7218a鍵盤/顯示晶元完成了數字化人機交互系統軟、硬體設計;採用rs - 485總線實現主控系統和人機交互系統的數據交互;系統採用數字器和鍵盤配合的方式實現焊接參數的選擇和設定,同時還具有參數存儲、調用等功能。
  14. The genetic algorithm with load balance can solve routing problem and can be applied in mobile ip and next hop route. chapter 4 collaborates on routing problem via a designated node. due to the excellent performance in nondeterministic polynomial problem, such as tsp, we choose the genetic algorithm to implement triangle routing in mobile ip protocol

    本文第三章提出了基於矩陣的遺傳演算法的低費用的下一跳路由,解決浙江大學博士學位論文了下一跳路由中不考慮網路負載和時延可能產生擁塞的問題,化了網路的性能,使得網路中的帶寬得到合理分配。
  15. Considering the developmental trend of the video compress and the demands of the people, this paper makes researches on the visual section of the mpeg - 4 standard, present an amendment to the ds search algorithm, and does some optimization to the module of compress which is utilized frequently by the encoder so that the encoder can accomplish real - time compression on adsp - blackfin535 evm board to the cif picture, the size of which is 352 by 288

    因此,研究mpeg - 4視頻標準並實現實時具有重要意義,特別是在圖像質量和實時性方面要求都很高的場合,例如電視會議、視頻電話和iptv等。本文結合這種需求和趨勢,研究了mpeg - 4sp原理,改進了ds演算法。通過內存化、結構化和匯化,終實現了器在adsp - blackfin535評估板上的實時
  16. 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、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。
  17. This paper proves the optimality of linear network coding, making possible the realization of network coding in practical applications

    該文證明線性網路性,並將網路理論落實至實際應用,為網路通信帶來突破發展。
  18. Finally, considering the advantages and disadvantages of these algorithms, a trade - off algorithm is proposed. a corresponding vlsi coding circuit system is designed and verified with fpga

    後結合各個演算法的點,綜合考慮各方面性能,給出一個折衷的快速搜索演算法,並且設計出與演算法對應的電路系統。
  19. In this paper, after the theory of video coding analyzed and some video compression standard compared, the development, constitution, application and characteristic of h. 264 video compression technique is focused on. and then the design of h. 264 video capturing and coding system based on adi dsp ( adsp - bf561 ) is illustrated, the hardware constitution and the software realization of the real - time video encoder are introduced particularly, and all kinds of techniques to optimize the h. 264 program according to the hardware configuration and compiling characteristics of adsp - bf561 are discussed especially

    本文在分析了視頻的基本原理,並將目前常用的視頻壓縮標準進行了比較的基礎上,重點分析了h . 264視頻壓縮技術的發展、組成、應用及其特點,詳細論述了以adidsp ( adsp - bf561 )為核心的h . 264視頻採集系統的硬體組成和軟體實現,著重闡述了根據adsp - bf561系統的硬體及譯系統特點,運用各種方法對h . 264程序代進行化的方法,終實現了基於adiadsp - bf561的h . 264視頻採集
  20. This paper integrates two key ideas. the first is that performance reflected engagement outcome and formation advantage, and the second is using genetic algorithm for performance - based optimization of blue team formation tactics

    該方法是借鑒層級隊思想,對多機隊實行層級,在一定的空戰模型的基礎上,用遺傳演算法化交戰結果,終得到一個對給定隊作戰的隊。
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