模壓縮率 的英文怎麼說

中文拼音 [móyāsuōlǜ]
模壓縮率 英文
die shrinkage
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 壓 : 壓構詞成分。
  • 縮 : 縮構詞成分。
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  2. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面，我們將浮點型遺傳演算法（ fga ）應用於實際人工目標的gtd模型參數的抽取，利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮，並利用擴展的數據提高了距離解析度。
  3. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  4. Standard test method for measurement of hydraulic conductivity of porous material using a rigid - wall, compaction - mold permeameter

    使用剛性壁壓縮模式磁導率計測量多孔性材料液壓導電率的標準試驗方法
  5. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    ）的增大，量子噪聲分別減小和增大；虛光子過程使光場的反聚束效應增強，使光場的壓縮程度明顯加深，並引起了附加的「熵振蕩」 ，這種附加「熵振蕩」的幅度將隨著光場初始平均光子數（ ? ）的增加而增大，隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質，研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  6. 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語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上，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編碼和多帶激勵的優點，是目前低速率語音編碼中一種比較理想的編碼方案，也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理，對它的編解碼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，最後研究了該演算法的c語言實現。
  7. Based on the distinction of monetary effect and efficiency and taken the monthly data of 1999. 12 - 2006. 6 as sample, this paper studies the relations of integrated variables with the method of canonical correlation analysis, empirically tests the combined transmission efficiency of monetary policy based on multicomponent reaction models, and finally it indicates that, in the sample range, monetary operation tools married up better, the holistic transmission efficiency is relatively high, while there exists efficiency derogation in external transmission system, but also a big space of promotion

    摘要在區分貨幣政策效果和效率的基礎上，本文以1999年12月2006年6月的數據為樣本，藉助典型相關分析，對貨幣政策傳導中同屬性變量進行整組壓縮，研究整組變量間的關系，並結合交互影響的多元反饋模型，對我國貨幣政策傳導的綜合效率進行了檢驗，得出結論：樣本區間內，貨幣政策工具實現了良好的配合，整體傳導效率高，外部傳導存在著效率減損，但有很大提升空間。
  8. At last, this thesis figures out an event - based method of air threat assessment through the definitions of the events, the modeling accompanied with xml description of the model, the introduction of the functional architecture model of event correlation, the type of event correlation and the expressions of the theory of this technique, the event deleting and contracting on the data facet, the correlation between the events in causality by bayesian network and the probability reasoning, exemplifying and calculating of bayesian network employed in the construction of threat assessment model of air battle

    最後提出了一種基於事件的空戰威脅估計方法。對事件進行了定義、建模並用xml語言進行了數據描述;介紹了事件關聯功能結構模型;介紹了事件關聯類型及知識表達方式，從數據層進行了事件清理和壓縮，使用貝葉斯網路對因果事件進行關聯，建立了空戰威脅估計貝葉斯網模型、進行了貝葉斯概率推理及算例分析。
  9. A new calculation method for optimizing diesel engine performance, called nonlinear regression - mess method, is put forward. in this paper, 25 groups of simulated values are calculated from the diesel engine working model, specific fuel consumption, peak pressure, rate of pressure rise, nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle

    本文利用柴油機工作過程模型，得出25組模擬計算數據，利用非線性回歸將油耗、最大爆發壓力、壓力升高率、 no _ x濃度及最高燃燒溫度擬合成壓縮比和噴油提前角的顯函數，並用網格法進行優化，用c語言編制了優化計算程序，得出最佳的壓縮比和噴油提前角，使其優化匹配。
  10. This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic

    本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。
  11. Thermodynamic analysis on wet compression process is done in this thesis and studies are done on ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, wet compression efficiencies and water droplet breaking. and thermodynamic model of wet compression process is established, which gives out rules of and methods to calculate wet compression parameters

    本文從熱力學的角度對濕壓縮過程進行了分析，分別對理想濕壓縮過程、實際濕壓縮過程、水滴的蒸發速率、濕壓縮功、進氣蒸發冷卻、濕壓縮效率和水滴的破碎等進行了研究，建立了濕壓縮過程的熱力學模型，給出了濕壓縮過程狀態參數的變化規律和計算方法。
  12. A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6

    第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究，並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法，系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響，並結合排放標準。提出了egr參數的全局優化的新思路。
  13. Research on fractals of pore and fracture - structure of coal reservoirs

    煤割理壓縮實驗及滲透率數值模擬
  14. The performances such as air flow, airside pressure drop, waterside heat exchange and power consumed by compressor vs. frosting time under different condition, were simulated and analyzed by using the ashpwch model developed

    採用該模型對機組在不同工況下的性能進行了模擬分析，得到了風量、空氣側壓降以及水側換熱器換熱量、壓縮機的軸功率等隨結霜時間的變化。
  15. The data acquisition and data flow for various sensor carriers are analyzed systematically, and the calculation models are put forward. the model of quantification of wall - loss defects for in - line inspection with ultrasonic pigs has been established. and inspection data can be pretreated with this model, compressed with dpcm technique and treatd by dsp instruments

    建立了檢測頭數據採集量及數據處理速率模型，首次建立了管道壁缺陷液浸超聲檢測的量化分析模型；提出採用該模型進行數據預處理后，採用差分脈碼調制技術進行數據壓縮，採用dsp器件提高數據處理速率。
  16. The compress tests on multiaxial multi - layer warp knit glass - fiber composite ( mmwk ) have also been carried out at high strain rates. the out - of - plane compressive property of multiaxial multi - layer warp knit glass - fiber composite are also rate sensitive. the maximum stress strain and elastic modulus of mmwk composite increase with the rising of strain rate

    首次對多軸向經編玻璃纖維復合材料進行了高應變率下的面外壓縮試驗，實驗結果表明，多軸向經編結構玻璃纖維復合材料在面外力學性能上是應變率相關的，隨著應變率的增加，沖擊壓縮瞬時應力增加，最大應力和最大應變增加，同時初始模量也有增大的趨勢。
  17. The simulation and verification results show that the operation speed of the whole system can achieve 66mpixel / s to support real time application and gain high image compression ratio

    模擬與驗證結果均表明該電路系統可以獲得約60mpixel / s的數據處理速度，不但能夠滿足圖像實時傳輸的需要，而且圖像壓縮率較高。
  18. The state function for the interaction of a a - type three - level atom with two - mode squeezing vacuum field is derived in the paper. the influences of detuning 8 and initial squeezed light - field factor r on the cauchy - schwartz inequality, light squeezing and nonclassical properties are investigated

    本文還導出了雙模壓縮真空場與型三能級原子非共振相互作用系統的態函數，研究了場模失諧量和場的初始壓縮因子r對原子布居概率、光場壓縮和非經典特性的影響。
  19. The data compession technology is researched, and the problem is solved which quanties of fault recording data are huge and the sending time is long. the transmission success ratio is boroved greatly. the electrical relation of single phase - earth fault of generator stator windings is ndied in detail, and the process of generator losing magnetism faul is also discussed

    利用該標準記錄數據中的冗餘量，進行壓縮是一新思路，對無損壓縮和有損壓縮進行了大量模擬，採用信號源符號1byte的自適應二階算術編碼無損壓縮法，使遠傳數據壓縮率可達72 ，解決了錄波數據遠傳中數據量大、傳送時間長、成功率低的難題。
  20. Experiment shows that this arithmetic is superior to ezw arithmetic in compression ratio and subjective quality

    經過模擬表明，該演算法在壓縮率和恢復圖像的主觀質量上優于ezw演算法。
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