lossless data compression 中文意思是什麼
lossless data compression
解釋
無損數據壓縮- lossless : 無損的
- data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
- 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。
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The high entropy of the real and imaginary parts of sar raw data makes lossless - coding compression techniques unfit for sar raw data. in chapter 4, some compression algorithms for sar raw data compression, such as baq, upq, bavq and wt - subbandcade are analyzed and discussed. an improved unrestricted polar quantizer ( upq ), which can enhance the performance of the quantizer is put forward
第四章分別對塊自適應量化（ baq ）演算法、非約束式極坐標量化（ upq ）演算法、塊自適應矢量量化（ bavq ）演算法和小波變換子帶編碼演算法進行了分析和研究，並詳細討論了這些演算法在工程實際中的應用。 -
The second chapter explains the character of mfl data by introducing the principle of pipeline mfl inspection and the structure of mfl detector, and then brings forward the diagnostically lossless compression request by combine discuss the analyzing method of inspection results
第二章通過對管道漏磁檢測原理和檢測器結構的介紹，說明漏磁檢測數據的特徵並結合檢測結果的分析方法提出對管道漏磁檢測數據的檢測無損壓縮要求。 -
Lossless data compression in storage test system
無損數據壓縮在存儲測試系統中的應用研究 -
Sldc information technology - streaming lossless data compression algorithm
信息技術.流動無損數據壓縮演算法 -
Information technology - adaptive lossless data compression algorithm
信息技術.自適應無損數據壓縮演算法aldc -
Space data and information transfer systems - data systems - lossless data compression
航天數據和信息傳輸系統.數據系統.無損數據壓縮 -
Aldc information technology - data compression algorithm - adaptive lossless data compression algorithm for information interchange
信息技術.數據壓縮演算法.信息交換自適應無損數據壓縮 -
Information technology - procedure for the registration of algorithms for the lossless compression of data
信息技術.數據無損壓縮演算法的登記規程 -
According to information theory, we conclude that lossless compression of radar data could n ' t obtain high compression ratio. this point has been verified by the results of the experiments
本文運用信息論的有關理論，得出了雷達回波的無損壓縮演算法不可能獲得高的壓縮比的結論並且實驗的結果也驗證了結論是正確的。 -
Information technology - data compression algorithm - adaptive lossless data compression algorithm for information interchange
信息技術.數據壓縮演算法.信息互換用自適應無損失數據壓縮的演算法 -
So lifting scheme will become a new method in lossless image compression. secondly, image data should be transmitted from loss to lossless, named progressive transmission, because different people require different image quality
其次，由於不同用戶對同一圖像的質量要求不同，因此有必要在編解碼時，使圖像的恢復能夠根據用戶要求，做到從有損到無損的過渡，即圖像的漸近編碼。 -
Various data compression techniques are studied and summarized in this paper, including the traditional and the newly developed techniques, then analyses the features of pipeline leak signals, such as the mechanism of production, entropy and correlation coefficient, are analyzed, and finally a universal and low - complex lossless compression algorithm is proposed and implemented in the pipeline leak detection and location system
本文研究和總結了國內外傳統和最新發展的各種數據壓縮技術，然後分析了管道泄漏信號的特徵，包括管道泄漏信號的產生機理、信息熵和相關系數，提出了一種適合於管道泄漏檢測定位系統的通用、低復雜度的無損壓縮演算法。 -
Text is a kind of very common resource in digital library, and lossless techniques play an important role in compressing text. starting from the shannon ' s entropy theory, we analyze the lossless compression algorithms, and implement arithmetic coding algorithm in c. in the experiments, we compare four different lossless compression algorithms by their performances such as compression rate, compression rate tendency with the length of data, stability, and complexity, using 35 groups data series with 4 different length
本文從信息論中shannon熵定理出發，對無損壓縮技術進行系統地分析，用c語言實現了其中的算術編碼演算法，並用它對35組、四種不同長度數據序列進行了壓縮，給出了實驗結果，然後從壓縮比、壓縮比隨字元串長度的變換趨勢、演算法穩定性和演算法復雜性等四個方面對其與其它三種壓縮演算法lzw 、 lz77 、 rle進行了分析與比較。 -
In the wavelet image compression system ， the choice of wavelet basis directly determines the statistical characteristics of wavelet coefficients, thus it not only affects subsequent processes, but also affects the final compression ratio and the the quality of reconstructed image. the method of realizing wavelet transform determines computational complexity, whether the transformed data can be lossless recovered or not, etc., accordingly it can affect the time spending on compression and the quality of reconstructed image
在小波變換圖像壓縮方法中，小波基選擇的好壞，直接決定小波系數的性質，從而影響壓縮過程中后繼的其它處理，影響最終的壓縮比和圖像重建質量；小波變換的實現方法決定著計算的復雜度、數據的恢復性能等，從而影響壓縮時間和圖像重建質量。
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