compression efficiency 中文意思是什麼

compression efficiency 解釋
絕熱效率
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. It will be seen that the higher the compression ratio, the higher the efficiency.

    可知壓縮比愈大效率愈高。
  2. 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。
  3. 2, under equally see the quantity, compress the calculate way s exportation code plain deal connect the good and bad that decide its function of the good and bad, or say, output the code the term of same alike rate the bottom, and the portrait quantity reflected the function of the compression calculate way. adopt with dv all because of the m - jpeg an inside compress the way, efficiency of their compression certainly want lower than mpeg2. certainly, this is an average circumstance, at the time that low code rate, the mpeg2 can compare the m - jpeg compression the ratio high and a lot of but keep the good diagram to resemble the quantity ; but at request the diagram to resemble the quantity the good time for example the sow the room program edit with empress period creation, their difference to is not very big. too is to say, just at the compression efficiency that not emphasize the portrait quantity that the circumstance, mpeg2 is high

    2在同樣的視頻質量下，壓縮演算法的輸出碼率直接決定其性能的優劣，或者說，輸出碼率相同的條件下，圖象質量的優劣反映了壓縮演算法的性能。由於m - jpeg和dv都是採用幀內壓縮方式，它們的壓縮效率當然要比mpeg2低。當然，這是一個平均情況，在低碼率的時候， mpeg2可以比m - jpeg的壓縮比高很多而保持較好的圖像質量而在要求圖像質量很好的時候比如演播室節目編輯和後期製作，它們的差別不是很大。
  4. The motion - based layered compression scheme in this dissertation is different from the traditional full picture - process method, using different encoding strategy by classify marcoblock in temporal motion, a high encoding efficiency is achieved in experiment

    本文提出的基於運動的分級壓縮演算法，打破了以往時空伸縮全幀處理的概念，實驗中以塊為單位按時間頻率分等級，分別採用不同的編碼策略，達到較好的編碼效率。
  5. It will improve analysis efficiency and experimental precision greatly if putting the photoelastic images gotten from experiment into computer, obtaining the isochromatic and isoclinic data automatically and writing it into database directly. but because of the limitation of time and the difficulty of drawing pure isoclinics from images, the paper has only shown the achievements presently and simulated a disk under diametral compression as foundation on further research

    把實驗中拍攝到的光彈性圖像輸入到計算機中，利用自動處理系統獲得等色線和等傾線等原始數據並將其直接輸入數據庫中，再依據本文提供的原理和方法求解結構的彈塑性應力值，可以大大的提高分析效率和實驗精度。
  6. Ihp technology employs an innovative vapour compression system to supply simultaneous cooling and heating to achieve high - energy efficiency

    為達至高能源效益， ihp科技採用創新氣體壓縮裝置，同時製冷及制熱。
  7. This program can work out some changes made by the operation of wet compression, such as the maximal mass of water spray, the temperature in the outlet of supercharger, and the consumed energy by the supercharger. in addition, this thesis gives the definition of efficiency of wet compression when the entropy of compressed air keeps constant, and it can be the standard for the study of wet compression

    本文首先對增壓柴油機濕壓縮研究的主要部分? ?壓氣機，建立濕壓縮的數學模型，從理論上分析濕壓縮的最大噴水量，壓氣機出口溫度，壓氣機耗功等變化情況，並給出了等熵濕壓縮的定義，為濕壓縮研究建立了比較標準。
  8. Genetic algorithm, as a computational model simulating the biological evolution process of the genetic selection theory of dar - win, is a whole new global optimization algorithm and is widely used in many fields with its remarkable characteristic of simplicity, commonability, stability, suitability for parallel processing, high - efficiency, and practibility. on the other hand, there are many op - timization problems in the field of digital image processing, such as image compression, pattern - recognition, image rectification, image segmentation, 3d image recovery, image inquiry, and or so. in fact all these problems can be generalized as the problem of searching for a global optimal solution in a large solution space, which is the classic application field of genetic algorithm

    遺傳演算法是模擬達爾文的遺傳選擇和自然淘汰的生物進化過程的計算模型，是一種新的全局優化搜索演算法，具有簡單通用、穩定性強、適于并行處理以及高效、實用等顯著特點，在很多領域得到了廣泛應用，另一方面，在圖像處理領域有很多優化問題如圖像壓縮，模式識別，圖像校準，圖像分割，三維重建，圖像檢索等等，實際上都等同於一個大范圍搜索尋優問題，而最優化問題是遺傳演算法經典應用領域，因此遺傳演算法完全勝任在圖像處理中優化方面的計算。
  9. Several important factors like the bandwidth compression efficiency, isi caused by filter and the affection on system performance that arise from filtering should be considered

    該方案需要考慮到濾波器的帶寬壓縮效率，濾波器引起的碼間干擾，濾波器對系統誤碼性能的影響等幾個關鍵因素。
  10. The latest video coding standard h. 264 introduces a series of advanced video coding techniques. it provides significantly better video compression efficiency together with the enhanced ability of error resilience and network adaptation. the research on h. 264 will greatly promote the developing of video technique

    H . 264標準是最新的視頻編碼標準，它採用了一系列先進的編碼技術，在編碼效率、抗誤碼能力、網路適應性等方面表現出超越以往各標準的優勢， h . 264的研究和應用將大大推進視頻技術的發展。
  11. To be used flexibly in wireless access networks, and get balance of compression efficiency and robustness, this project implements assistant functions, including the three compression modes and transitions between them, compression states and decompression states, and making use of feedback mechanism to make a communication bridge between compressor and de - compressor. because this project will use on wireless links, packets loss on it will induce the asynchronisms between the context of de - compressor and compressor and lead to errors in decompression

    同時，為了rohc在無線接入網中的靈活應用，並且保證較高的壓縮效率和較好的健壯性，課題同時實現了rohc所提供的豐富的輔助功能，如完整實現u 、 o 、 r三種模式及模式之間的互換;分別完整實現壓縮及解壓縮三種狀態的轉換;合理利用反饋機制，以加強壓縮方與解壓縮方之間的溝通等。
  12. For really interactive 3d experience, we propose a novel color block truncation algorithm using hierarchical bit - plane prediction ( cbtc - hbpp ) to chase for random access - oriented purpose with moderate compression efficiency

    由於互動式3d體驗的要求，我們提出面向隨機接入性的新型壓縮演算法? ?採用層次化比特平面預測的彩色光場塊截斷壓縮。
  13. This paper compares the set of features offered by jpeg 2000, versus the current still - image compression and coding standards. the study concentrates on the aspects such as functions, lossy and lossless compression efficiency, region of interest coding, error resilience and complexity. as a result, a conclusion - how to choose compression and coding standard is elicited

    本文還利用包括j2k模型在內的實現，就jpeg2000與靜態圖像壓縮編碼的現有標準進行了分析和比較，對比了它們在提供的功能、有損和無損的壓縮效率、 roi編碼和差錯恢復以及復雜度等方面的異同，並得出選擇編碼壓縮標準的一個結論。
  14. Moreover, we use prediction coding process to achieve high compression efficiency, error data still cause errors to propagate in the temporal direction

    而且，由於編碼器利用幀間預測來降低數據量，導致錯誤數據又會在時間域上進行擴散。
  15. Through large amount of experiments, we conclude that the video compressing program can a chieve higher compression efficiency after using the improved algorithm

    因此，在本文的最後，作者對視頻壓縮演算法的進一步改進策略進行了研究。
  16. Ali current video coding standards such as h. 263 + employ variable length codes ( vlc ), to achieve high compression efficiency

    在現在流行的視頻編碼標準中（例如h 263 + ）均使用可變長編碼（ vlc ）來獲得高效的壓縮比。
  17. This will be begged that the image compression technology not only have good compression efficiency but also can handle nimbly the compression code rate

    這就要求圖像壓縮技術不僅要有良好的壓縮效率，而且還可以靈活處理壓縮碼率。
  18. Compared with the existing header compression scheme, rfc3095 ( rohc ) has the highest compression efficiency and the best robustness and is suitable for wireless links

    在現有的頭部壓縮協議中，以rfc3095 （ rohc ）壓縮效率和健壯性最高，最適合於無線鏈路的使用。
  19. H. 264 offers significantly better video compression efficiency than the previous itu - t standards and mpeg standards, but its computational complexity is too large for implementation

    H . 264的三個主要目標之一是提高編碼效率，在同樣的保真度條件下，平均碼率比現有的h . 263視頻壓縮標準低50 % 。
  20. The video coding standard - h. 264, which achieved its final draft in 2003, will foster the development of these industries and embody its superiority in these industries, for the superiority such as higher compression efficiency network friendly design h. 264 have

    H . 264視頻編碼標準所具有的更高的壓縮效率以及網路友好的設計將促進這些產業的發展並在其中體現新標準的優勢。
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