高壓縮比 的英文怎麼說

中文拼音 [gāoyāsuōbǐ]
高壓縮比 英文
high compression ratio
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 壓 : 壓構詞成分。
  • 縮 : 縮構詞成分。
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  2. Cetane improver. makes the engine run better at higher compression settings

    碳氫化合物的改進物。使引擎在高壓縮比時運轉較為順暢。
  3. Fractal image compression coding is focused attention upon by researchers for it ' s good quality of high compression ration, resolution irrelevancy and fast decoding. but it ca n ' t be put into practice for the matching search of domain and range is too difficult and the coding time is too long

    分形圖像壓縮編碼以其高壓縮比、解析度無關性、快速解碼等優越特性而引起世人矚目，但卻常因為龐大的定義域計算和煩瑣的定義域值域匹配搜索而使編碼時間過長，從而影響了其實用性。
  4. In the fifth chapter, author improved huffman coding and lzw coding, which can not only increase the compression ratio, and also make the programe more useful in varied circumstance

    在第五章中，作者對huffman編碼和lzw編碼作了改進，這不僅可以在一定程度上提高壓縮比，而且使它們更加靈活通用。
  5. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  6. However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding

    實驗結果表明，該方法與傳統的二維編碼方法相比，具有高壓縮比和高圖象質量的優點;與矢量量化編碼相比，具有碼表體積小，計算復雜度低的特點;與霍夫曼編碼方法相比，在相同信噪比的條件下，對運動相對劇烈的視頻序列壓縮效果要更好。
  7. Distribution of wavelet coefficients in those sub - images is just appropriate for the properties of human vision systerm. it is that eyes are most sensitive to sub - image in the low resolution ratio and less sensitive to sub - images in the high resolution ratio. so a little loss of information in high sub - images may not bring out marked change to vision effect of construct image

    經分解后的各個子圖中的小波系數的分佈恰好適合人類視覺系統的特點，即人眼對于低解析度子圖更敏感，對于高解析度子圖較不敏感，因此高解析度子圖中的信息稍有損耗並不會顯著影響重構后圖像的視覺效果，這樣實現圖像的高壓縮比就成為可能。
  8. We study the code model characteristic of videos, analyse the characteristic of mpeg data structure and similarities and differences of forms of avi video. the method which compresses the information of an image and the differences of images is adopted to reach the high compression ratio. mpeg compresses algorithms as the international standard, is supported together by many computer platforms now, have better compatibility than avi video

    論文首先簡要地介紹了課題背景和當前的研究狀況，研究了視頻編碼模型特點，分析了mpeg - 2數據結構特點和avi視頻格式的異同，在同等的視覺質量范圍下mpeg - 2採用有損壓縮方法減少運動圖像中的冗餘信息從而達到高壓縮比，因此mpeg - 2壓縮演算法作為國際標準，被許多的計算機平臺共同支持，較avi視頻具有更好的兼容性。
  9. 3, high and clear degree television : because of the problem that the distinguishing the rate of high and clear degree television is very high, and bring is a program for needing to deliver to take the breadth very high, must use the high compression ratio may just deliver the high and clear degree television. on this point, the current there is mpeg2 technique and can be competent

    3高清晰度電視：由於高清晰度電視的解析度很高，帶來的問題是所需的節目傳輸帶寬很高，必須使用高壓縮比才有可能傳送高清晰度電視。在這一點上，目前只有mpeg2技術能夠勝任。
  10. By applying dwt and mallat in wavelet analysis, the oscillation signal of active power on transmission line is decomposed and reconstructed ; the strategy of upfc ' s secondary control based on wavelet is proposed by using the reconstructed active power as input signal. simulation results verify the efficiency of damping subsequent swing quickly under serious power oscillation circumstance that is hard to damp by ordinary upfc controller. the system dynamic stability is apparently enhanced

    針對系統功率波動頻率較高情況下upfc對系統后續擺穩定的控製作用難以得到充分發揮的情況，採用小波分析的mallat塔式演算法對系統功率波動信號進行分解，並基於mallat塔式重構演算法的思想濾除了信號的冗餘擾動成份，尋找到一個高壓縮比、低相對誤差的重構功率信號，從而使其能夠符合upfc實際控制需要。
  11. To reduce the massive volume of digital video data, compression techniques with high compression ratios are required

    為了減小數字視頻數據量，需要高壓縮比的壓縮技術。
  12. High injection speed and high compression ratio screw are more suitable for sebs manufacturing

    快速注射與高壓縮比螺桿high compression ratio screw更適合於sebs的加工
  13. After such grouping, standard compressors compress better higher ratios, but nominally faster as well

    這樣進行分組之後，標準壓縮程序壓縮的效果會更好（高壓縮比，不過通常也是名義上很快） 。
  14. Due to it ' s object - based idea, it has the virtue of high compression ratio, scalability, inter - activity with users and so on

    基於對象的編碼思想使其具有高壓縮比、可擴展性、可交互性等許多優點。
  15. Early attempts were plagued by sky - high communications costs and the inability of most pcs to decode highly compressed video in real time

    因為天價的通信成本，以及大多數pc無法實時對高壓縮比的視頻文件進行解碼，早期的嘗試遭受阻礙。
  16. Experiments validate that the encoder can realize real - time video coding at the speed of 25 cif pictures per second. moreover it possesses good visual quality and high compression ratio

    通過測試驗證，該編碼器在保持很好的圖像質量和高壓縮比的同時，實現了實時的視頻壓縮，處理速度可以達到cif格式的25幀/秒。
  17. An advantage of wavelet - based video compression is that it offers more graceful image degradation at high compression ratios, and it also eliminates the block artifacts seen in dct compression

    由小波變換編碼實現的視頻壓縮在具備高壓縮比的基礎上，仍擁有較高的主觀視覺效果，避免了由分塊dct變換引起的方塊效應。
  18. 2. analyse lfm signal compression performance with high compression ratio ， program the correlative test software ， compare the pulse compression performance with various window - functions and get the satisfied results. 3

    分析了lfm信號在高壓縮比情況下的壓縮性能，並編制了相關測試軟體，對不同加窗情況下的脈沖壓縮性能進行了比較，取得了滿意的效果。
  19. In contrary to the brushlet, the ezw ( embedded zerotree wavelet coding ) algorithm is also discussed. the performance of brushlet in preserving the high frequency information at high compress ratio can be revealed when compared to the ezw algorithm in the result

    作為對比，本文同時研究了ezw小波系數零樹編碼演算法，從對比中可以看出brushlet在高壓縮比下保留圖象高頻信息的性能。
  20. Microsoft pocket pc operating system support for the pocket pc and smart cell phones can be set up with full screen display reading speed automatic scroll support bookmark directory management support functions to support the cover photo to alter si

    支持操作系統microsoftpocketpc的掌上電腦及智能手機可全屏顯示可設置速度自動滾屏閱讀支持書簽功能支持目錄管理支持封面圖片可更改字體大小，並可設置字體顏色和背景色高壓縮比，一本10萬字的書籍只有100k大小新增功能圖片更清晰，並可實現縮放
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