viterbi 中文意思是什麼
viterbi
解釋
維泰爾比-
Then the thesis presents a probabilistic viterbi algorithm to segment address block and gets the character. finally, after independent chinese characters are recognized and fitted with address database, we get the address. in this way, automatic recognition of envelope ' s address is realized
對得到的地址塊提出了一種利用概率型viterbi演算法進行字元切分的方法，最後將切分好的單個字元進行識別，並與地址數據庫進行匹配，從而得到地址，進而實現了信封地址的自動識別。 -
There are two decoding schemes for convolution code, such as sequence decoding algorithm and viterbi algorithm. because of simplicity 、 excellent performance, viterbi decoding algorithm is abroad applied
卷積碼的譯碼演算法有序列譯碼和viterbi譯碼兩大類， viterbi譯碼演算法由於其簡單、性能優異等特性得以廣泛應用。 -
The viterbi decoding algorithm, proposed in 1967 by viterbi, and it ’ s proved that viterbi decoding algorithm is the maximum likelihood decoder algorithm of convolution code and it has excellent decode performance
Viterbi譯碼演算法在1967年由viterbi提出，經證明它是卷積碼譯碼得最大似然譯碼演算法，具有優異的譯碼性能。 -
Based on the ( 3, 1, 5 ) convolution code in digital trunking system, this paper first studied the decoding depth of the convolution code and fund out the right decoding depth for digital trunking system, then proposed a modified viterbi decoding algorithm
本文以數字集群中所用的（ 3 ， 1 ， 5 ）卷積碼為基礎，首先對卷積碼的解碼深度進行了研究，得出適合數字集群系統的解碼深度，然後提出了一種卷積碼的viterbi譯碼的改進演算法。 -
Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication
維特比譯碼演算法是一種最大似然譯碼，它可以得到較高的譯碼速度以及譯碼計算時間固定，因而在深空通信中得到廣泛應用。 -
University of southern california andrew and erna viterbi
南加州大學 -
There are many decoding schemes for convolutional code, such as sequence decoding algorithm, fano algorithm, viterbi algorithm. but in fact, what ' s used widely is viterbi decoding algorithm. the viterbi decoding algorithm, proposed in 1967 by viterbi, is a decoding process for convolutional codes in memory - less channel, which takes full advantage of convolutional codes. since viterbi algorithm is proposed, it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems, especially to digital wireless communications and deep space communications
卷積碼的譯碼演算法方案有很多，如序列譯碼演算法、 fano演算法、 viterbi演算法，但是真正大規模應用的還是viterbi演算法。 viterbi譯碼演算法是1967年viterbi提出的，它是一種對無記憶通道卷積碼進行譯碼的演算法。它充分發揮了卷積碼的特點，因而自viterbi演算法提出以來，無論在理論上還是在實踐上都得到了極其迅速的發展，並廣泛的應用於各種數據傳輸系統，特別是無線通信和衛星通信系統中。 -
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
在對維特比譯碼演算法研究的基礎上，提出了維特比譯碼演算法基於dsp的改進方法，並且設計出一種新的編碼增益測試系統，對卷積編碼和維特比譯碼組成的差錯控制系統的編碼增益進行了測量，測試結果為9 . 4db ，優于設計指標，最後提出了一些對將來工作的建議。 -
In channel decoding, crc and interleave are reversible in mathematics. the decoding of rcpc is using viterbi decoding after filling the deleted bits ’ position with zero
在通道解碼過程中， crc和交織在數學上都是可逆的， rcpc的譯碼是先將刪除的位置補零之後再對卷積碼使用viterbi譯碼。 -
Low power consumption design for viterbi encoder
譯碼器的低功耗設計 -
Optimized architectural design of viterbi decoders
譯碼器的優化設計 -
Optimized architectural design of viterbi decoder
譯碼器的優化設計 -
Low power design methods of setting threshold on viterbi decoder
譯碼器設置門限的低功耗設計方法 -
Design of a high - speed viterbi decoder
高速維特比譯碼器的設計 -
Many of communication systems take the convolutional code and viterbi algorithm as the channel coding scheme. the viterbi algorithm decoding is a kind of maximum likelihood decoding, and its performance is good over additive white gaussian noise ( awgn ) channel, but when burst errors occur, the decoding performance may be greatly degraded
維特比譯碼演算法是最大似然譯碼，在由高斯白噪聲引起的隨機錯誤的通道中有良好的性能，但當通道錯誤集中或為突發錯誤通道時，維特比譯碼演算法則性能急劇下降。 -
Simulations over coding channel show that the more correct bits we know the better the performance is. the key point of constraint viterbi algorithm is how to provide the reliable constraint condition and make full use of it
通過在編碼通道模型上的模擬表明，已知正確的約束位越多，分佈的越密，則提高的性能越明顯。 -
Convolutional coding is an error - control coding to process continuous data stream. the viterbi decoding algorithm is a type of maximum likelihood algorithm for memoryless channel. the convolutional coding employed with viterbi decoding algorithm has already become indispensable channel coding scheme in modern communication systems
卷積碼是一種糾錯編碼，它可以對連續的數據流進行處理; viterbi譯碼演算法是一種對無記憶通道卷積碼進行譯碼的最大似然譯碼演算法，使用viterbi譯碼演算法的卷積碼已成為現代通信系統不可缺少的通道編碼方案。 -
Compared with standard viterbi beam search algorithm, the adaptive algorithm that we present reduces recognition time by 35. 56 %
與標準viterbibeam搜索演算法相比，基於活動模型數變化的自適應viterbibeam搜索演算法的搜索速度提高了35 . 56 。 -
In this thesis, we improve viterbi beam search algorithm from tow aspects. on the one side, we present a new adaptive viterbi beam search algorithm referred to as adaptive viterbi beam search algorithm based on variation of active model numbers
一方面，使用自適應的裁剪門限代替固定不變的裁剪門限，分析了現有自適應viterbibeam搜索演算法的局限性，提出了基於活動模型數變化的自適應viterbibeam搜索演算法。 -
We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,
根據空間數據系統顧問委員會（ ccsds ）為turbo碼應用於深空通信系統推薦的標準，包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式，以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎，設計了sova演算法的實現結構，通過模擬驗證了本文所採用的turbo碼的性能，從而證明turbo碼確實是一種很好的通道糾錯編碼方式，它適用於要求功耗低或信噪比低的深空通信系統中。
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