文本壓縮 的英文怎麼說
中文拼音 [wénběnyāsuō]
文本壓縮
英文
text compression-
Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。On the base of the analysis of the static fbd under diametric compression, numerical analysis and compare are performed on the dynamic stress field of the brazilian disk and fbd used in the testing tensile strength under shpb
在對靜態平臺壓縮巴西圓盤（ fbd ）進行的數值分析的基礎上，本文分析了shpb動態劈裂拉伸實驗中巴西圓盤和平臺巴西圓盤的動態應力場，並對結果進行了比較。This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels
本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和流動特性，建立和發展了蒸發器、冷凝器、壓縮機和毛細管數學模型，並進行了相應的模型簡化和修正方法研究，建立了從實際系統到模擬系統的轉換方法；本文針對各製冷系統的特點，在系統層次上進行了部件模型的修正研究，建立了相應的修正模型和演算法。Abstract : the paper, taking standard language data from modern chinese work since the time of may 4th movement, focuses on analysing the three dimensions in the variables of disyllables in forming ner words of morden chinese : disyllables expanded from single syllables, disyllables out of reduced trisyllable or multi - syllable, and disyllables deprived form phrases
文摘:本文以五四以來典範的現代白話文著作中的詞語為例，分析了現代漢語雙音節化主要的三種途徑：單音節詞擴充為雙音節詞，三音節或多音節詞壓縮為雙音節詞，詞組凝固為雙音節詞。Shock wave compression technique has play an important role in the understanding of the material composition thermodynamic state and physical properties of the earth ' s ulterior. in this article, the stabling of high - pressure phase of one of the main candidate materials of the earth ' s lower mantle ? enstatite ( mg0. 92, fe0. 08 ) sio3 were investigated through the experimented measurement of hugoniot equation of state, and together with thermodynamic calculation and analysis
本學位論文以沖擊壓縮技術為手段，從測量其hugoniot物態方程入手，結合高壓物理和熱力學理論分析，較深入地研究了下地幔中的一種主要候選組分頑火輝石（ mg _ （ 0 . 92 ） ， fe _ （ 0 . 08 ） ） sio _ 3在與下地幔大致相當的溫度壓力條件下的相態-鈣鈦礦型結構的相穩定性。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。The dynamic compression and torsional experiments are done for tungsten - molybdenum alloys through split hopkinson pressure bar and torsion hopkinson bar in this paper
本文利用分離式hopkinson桿對鎢鉬合金進行了動態壓縮和扭轉試驗。In this paper, the split hopkinson pressure bar ( shpb ) was used to study the compression mechanical behavior of al / sicp mmcs under the high strain rate
本文用自行研製的分段式霍布鑫森壓桿（ splithopkinsonpressurebar ）研究al / sic _ p復合材料在高應變率下壓縮的力學行為。With this purpose, this paper researches the state of dometic and overseas seal technique ; uses other enterprise ' s successful experiments for reference ; combines the factory set ' s structural property, technics characteristic and the different request of medium leakage degree ; considers the respective strongpoints of floating ring seal, conical floating seal, suction labyrinth seal, inflator labyrinth seal, mechanical seal, dry gas seal ; finds out the optimum, dependable seal techinique fiting for each set on the base of entire analysis on the centrifugal compressor. and in the end by putting this plan into practice the factory achieves localized reconstructs, reduces the production cost and fulfils the demands of secular safe use
本文在把握國內外離心壓縮機密封技術的發展狀況，借鑒其他企業的成功經驗基礎上，根據我廠機組結構特性、工藝特性、介質泄漏程度要求的不同，以及浮環密封、錐形浮環密封、抽充氣式迷宮密封、機械密封、干氣密封的各自特點，對離心壓縮機存在的密封問題進行了全面剖析，研究了適合每臺機組最佳、可靠的密封技術，實施了本地化技術改造，降低了生產成本，滿足了機組長期穩定運行的生產要求，取得了顯著的經濟效益和社會效益。On the major premise of feasibility of this theory, this article based on the practice of fore - runners, has done some further research work about the application of genetic algorithm for image compression and pattern - recognition with a satisfactory result
基於這個理論可行性的大前提，本文在吸取前人實踐經驗的基礎之上，深入研究了遺傳演算法在圖像壓縮，模式識別兩個問題中的應用策略，並得到了比較滿意的結果。Fractal coding has been proved useful for image compression. it is also proved effective for content - based image retrieval. in the paper, we present a block - constrained fractal coding scheme and a matching strategy for content - based image retrieval. in this coding scheme, an image is partitioned into non - overlap blocks of a size close to that of a query iconic image. fractal codes are generated for each block independently. in the similarity measure of fractal codes, an improved nona - tree decomposition scheme is adopted to avoid matching the fractal codes globally in order to reduce computational complexity. our experimental results show that our coding scheme and the matching strategy we adopted is useful for image retrieval, and is compared favorably with other two methods tested in terms of storage usage and computing time
分形編碼在圖像壓縮方面取得了很好的效果，同時，分形編碼也能夠用於基於內容的圖像檢索.本文提出了一種基於塊限制的分形編碼演算法和匹配策略，並將它們用於圖像檢索.在我們編碼演算法中，圖像會被預先分成互相不重疊的子圖像塊，然後對這些子圖像進行獨立地分形編碼，從而獲得整幅圖像的分形碼.該編碼演算法能夠在很大程度上減少編碼時間.在進行圖像間相似性的匹配時，我們採用改進的基於九叉樹的分配策略，從而避免全局地進行分形碼的匹配，減少了計算量.實驗結果說明，我們的編碼演算法和匹配策略能夠比較有效地應用於基於內容的圖像檢索，在計算時間和存儲時間上都優于實驗中其它兩種方法This paper takes the assembly robot on compressor product line as an example to carry out an initial research on robot off - line program
本文以壓縮機生產線裝配機器人為例，對機器人的離線編程技術進行了研究。Compression programs do a fairly good job of boiling documents down to their actual information content, and meaningless padding tends towards zero size in the compressed version asymptotically with compression effort, and if all is happy
壓縮程序做了一件相當好的工作將文檔壓縮到其實際信息內容大小，並且在已壓縮版本中無意義的填充趨向于零大小（如果一切順利的話，壓縮是漸進地） 。Simulation results show that the surge line moved up - left relative to the original one and surge margin became larger when wet compression is used, which means wet compression can extend steady - operation regions of compressors and the si a - 02 gas turbine. at last, based on the moore - greitzer model surge and rotating stall of a compression system with wet compression is modeled with consideration of inlet evaporative cooling and compressor pressure rise when wet compression is used
哈爾濱工程大學博士學位論文最後，本文在壓縮系統moors grei上zer模型的基礎上，考慮進口蒸發冷卻的作用和壓氣機濕壓縮過程的作用，推導出了濕壓縮系統喘振和旋轉失速的統一模型，該模型可以模擬系統發生喘振和旋轉失速時的瞬態響應以及噴水濕壓縮對系統瞬態響應的影響。Download file is a rar compress package, before use it, you must uncompress it. this package include
在此提供xdesigenrhtmldom的下載，下載的文件為rar壓縮格式，請解壓縮后再使用，本壓縮包包含的文件為With these foundation, the paper puts forward several solution schemas of key technologies in mois, such as 3 - tiers system architecture optimization, binary file compression & encryption, tree relationship data process, active notice delivery mechanism and network environment adaptability, and makes some ex ploring research about intelligent software agent and text mining technology
在此基礎上，給出了若干mois關鍵技術的解決方案，包括三層體系結構優化方案、二進制格式文件壓縮加密方案，層次化關系數據的處理技術、主動式通知傳遞機制和網路環境適應性方案等，並對智能軟體代理和文本挖掘技術作了探索性研究。In order to satisfy the character of embedded gis which has large amount of data, and strict requirement of real time response, real time compression is offered in the file system. also a build in index for gis data which can enhance the performance is also fulfilled in the file system
為滿足嵌入式gis系統數據量大、實時性要求高的特點，本文在文件系統內部實現實時文件壓縮；為gis數據提供了文件系統級的數據索引，從而增加對gis數據訪問的效率。Standard text compression techniques can give dramatic reductions in document size at the cost of additional processing overhead
標準文本壓縮技術可以極大減少文檔的大小，代價是額外的處理開銷。Considering the shortage of bp neural network such as too long training time and easily converging the local optimal value, the paper applies the contractive mapping genetic algorithm to bp neural network1 training, which make it consequently converges to the globe optimal value more quickly
考慮到bp神經網路訓練時間長、容易收斂到局部最優的不足，本文將壓縮映射遺傳演算法應用到bp神經網路的訓練之中，使其較快地收斂到全局最優值。分享友人