coding parameter 中文意思是什麼
coding parameter
解釋
編碼參數-
It synthesizes the excellence of wave coding and parameter coding, adopts vector quantity, analyse - synthesize, perceptual weighting, therefore, gains good speech coding quality at 8kbit / s. cs - acelp can be used in individual telecom, iphone, c / n, microwave telecom and isdn
Cs - acelp演算法綜合了波形編碼和參數編碼的優點，以自適應預測編碼技術為基礎，採用了矢量量化、合成分析和感覺加權等技術，在8kbit / s速率上獲得了較高的語音編碼質量。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
Chosen the cvsd as the radio station ’ s voice coding. the character of strong anti - interfere in real communication circumstance was our major consideration to choose cvsd. as to validate the algorithm of cvsd and get the better parameter, we do the cvsd algorithm simulation firstly with matlab and the simulation tested the algorithm as well as given us some tips during the hardware debugging
在實際設計和實現語音編碼過程中為了對硬體編程語言有好的指導作用以及得到比較好的編碼參數，首先用了matlab對語音編碼進行了模擬，通過模擬驗證了演算法同時獲得的參數為實際的硬體實現提供了一定的參考價值，也給我們的實際調試指出了方向性的指導。 -
It brought forward genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms " characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion
針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法。 -
This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms ' characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion
摘要針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法，基於該演算法形成了全局尋優的波阻抗混合反演方法。 -
In c & c + + ga program, using the parameter num equal to population number will make ga compulate more efficiently. 5. converting nonlinear equations solution to ga optimum problem, and then the problem is discused in ga model, fitness, coding, operator & parameter, convergence critericm multi solutions 6 aspects
首次在c與c + +的遺傳演算法程序中，提出了隨機數產生周期等於群體規模的參數取值方法，實例計算說明，演算法的計算效率能提高一倍左右。 -
Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount
本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計，首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義，接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型，並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法，然後根據實際應用的實時性要求，為了減小運算量，在基音周期參數的提取的演算法實現上，本文採用在時域進行基音粗估運算，在頻域進行基音精細估計運算。 -
Described the design and realization of agc module in ddc in detail, included submodule division, parameter setting, interface designing, timing designing, coding, simulation, and synthesis ; 4
論文作者已經在altera的fpgastratixep1s40f1020c5中實現了性能優異的自動增益控制電路，並且在整個ddc晶元中工作正常，達到了期望目標。 -
Three improvements were proposed. that is : coding the chromosome with floating point numbers, selecting different optimal strategy according to the electric dimension of the target, utilizing subsection varying parameter genetic algorithm to avoid trapping in premature convergence. the optimization time was saved significantly after adopting these methods
針對球面和半球面結構的雷達吸波材料優化設計時間長，提出三點改進方法：染色體採用浮點數編碼；依據優化目標的電尺寸採用不同的優化策略；優化過程中採用分段變參數的優化方法。 -
These are correlation characteristic parameter, fourier spectrum characteristic parameter, power spectrum characteristic parameter, time domain amplitude characteristic parameter, linear prediction coding coefficients, instantaneous characteristic parameter, absorb and decay coefficient, velocity characteristic parameter and wavelet packet transform characteristic parameter. the parameters contain the surface relatively wide, the prediction which is suitable for the goal of many kinds of seism needs
分別為：自相關特徵參數、付立葉譜特徵參數、功率譜特徵參數、時域振幅特徵參數、線性預測編碼系數、瞬時特徵參數、吸收衰減系數、速度類特徵參數和小波包變換特徵參數，參數涵蓋面較寬，適用於多種地質目標的預測需要。 -
Then a genetic algorithm ( ga ) was proposed using a real parameter coding, a ranking selection operator, an arithmetical crossover operator and a uniform mutation operator, and calculated the least - square error of the observed and computed values as its fitness function
實例計算表明，雖然雲峰大壩存在一些安全隱患（諸如溫控不當導致的混凝土缺陷、壩基巖石中存在斷層等） ，但總的來講其運行狀況良好。 -
Finally, performance of adaptive modulation and coding in 11sdpa system is investigated. multi - code channel structure of physical layer, coded modulation schemes and adaptive transmission parameter selection are analyzed. simulation implementation of fading compensation in flat fading channel and maximum ratio combining ( mrc ) in frequency selective fading channel is investigated
最後，本文還研究了hsdpa中自適應調制與編碼性能，分析了物理層多碼通道結構、編碼調制方案、自適應傳輸參數選擇，並研究了平坦和頻率選擇性衰落通道中衰落補償和最大比合併（ mrc ）的模擬實現。 -
This paper introduces a video intelligent surveillance system, and presents the structure of the system, adaptability for bandwidth and the method for intelligent surveillance. it describes the key technologies, such as wlan, efficient video coding arithmetic based on spiht ( set partition in hierarchical trees ), intelligent alarm aroused by video - recognizing, and so on, gives out the testing results and important parameter of performance by realizing the system
提出了基於無線網的視頻智能監控系統的原理結構、帶寬適應性和智能監控的實現方法，描述了系統中使用的無線組網、基於spiht視頻編解碼演算法和基於內容的視頻識別等關鍵技術，給出了系統實現后的實際測試結果及相關性能指標。 -
In the fec part, rs ( reed - solomon ) code and interleave are chosen as the basic elements of the error correction system at first ; then the coding parameter and data structure are determined based on the results of matlab simulation ; at last, hdl modules are implemented in fpga using verilog hdl, test results and simulation diagrams are presented as well. in the designing process, the proper division of the modules and the cooperation between modules need a lot of consideration, and the top - down method is adopted to solve these questions
在前向糾錯的設計部分，文章首先根據系統的誤比特率要求選擇了rs （ reed - solomon ）碼和交織器作為前向糾錯部分的基本構架，再根據matlab的模擬結果得到了具體的編解碼參數和碼字結構，最後在fpga中用硬體描述語言veriloghdl實現了各個編解碼模塊，並給出了測試數據、實現結果及時序模擬波形圖。 -
So if we gain the relation between the the derivative of ggd distortion - rate function and the ggd shape parameter, then we can reconstruct the rate - distortion function. the bitplane - based fgs of mpeg - 4 has been accepted as a standard coding tool for video streaming applications
這樣，實際中只需研究特定編碼量化模式下ggd失真速率函數的導數與ggd形狀參數的關系和規律，就可以重建相應編碼模式下的失真速率函數。
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