data scrambling 中文意思是什麼

data scrambling 解釋
數據擾頻
  • 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...
  • scrambling : 不規則性
  1. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論;然後完成了包括數據格式,調制方式,糾錯碼方式,交織器和擾碼器等部分的中頻數據機通道設計;接著著重介紹了系統中使用的音頻壓縮演算法cvsd (連續可變斜率增量調制)的原理和實現,以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  2. The circuit to fulfill the byte processing function includes all parts between the modules on convolutional decoding and transfer stream de - multiplexing, consisting of the modules on data de - interleaving, rs decoding, data de - scrambling and format transforming

    完成位元組處理功能的電路包括從卷積解碼輸出後到傳輸流解復用的所有部分,由解交織、 rs解碼、解擾碼和格式轉換等模塊組成。
  3. Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized. secondly, using redundant embedding technique to embed watermark and extracting watermark according to watermark content, a meaningful invisible watermarking scheme is proposed ; thirdly, combining with vision characteristics a resilient - prone scrambling algorithm and a restoring scheme of scrambled image with data loss are proposed, image scrambling technique of irregular region is discussed. based on the proposed algorithms, a digital watermarking system scheme is designed

    通過分析前人的研究進展,結合可見水印特性,在小波域實現了一種具有圖像內容保持特性的可見水印演算法;利用水印冗餘嵌入技術進行水印嵌入,根據水印遭破壞的情況進行水印提取,給出一種有意義水印的嵌入和提取方案;結合視覺冗餘特性提出並實現了一種易於恢復的圖像置亂演算法和一種受損置亂圖像的恢復方案;探討了不規則區域的圖像置亂方法,在此基礎上,設計了一種置亂演算法在數字水印演算法中的應用框架;最後整合本文所提出的演算法,實現了一個基於視覺特性的圖像水印系統。
  4. That is, it is a process of scrambling and transforming data from an easily readable and understandable format (

    加以更改及轉變,使其轉為不可讀取的格式(
  5. Chapter six studies characteristics and implementations of pseudo - random sequence generator and data scrambling, and fulfills the de - scrambling function with asic

    第六章討論了偽隨機序列和數據擾碼的特點,並給出了其asic實現方案。
  6. With mc - cdma, each data modulated chip of the user specific spreading code is mapped onto a separate subcarrier after spreading and scrambling, so that the chips of the spreading code and, hence, the data symbol is transmitted in parallel on multiple subcarriers

    Mc - cdma是將多載波技術應用於cdma中,兼具cdma和ofdm這兩種技術的特點。在mc - cdma中,用戶的信息符號先經過擴頻、加擾,再將擴頻序列的碼片并行地在多個子載波上傳輸。
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