頻壓法 的英文怎麼說

中文拼音 [bīnyāfǎ]
頻壓法 英文
alternating-pressure method
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 壓 : 壓構詞成分。
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. Video compression plays an important role on digit moving picture processing, since it affects the picture ' s quality, comprcssing rate and visual degree in video sequence. adopting the same aphesis on the different objects, this approach which has employed by mpeg - 2 standard has led to a blur image of key objects, especially for those of the human faces

    視頻壓縮是數字視頻處理的關鍵技術，其決定了圖像的質量、壓縮率和對象的可分辨性，但是目前的mpeg壓縮演算法將不同圖像對象以相同的方式處理使視頻圖像中的關鍵對象信息無法清晰表達。
  2. The device has more advantage than traditional adjustable ac high voltage design. it adopts adjustable method to make adjustable series resonance even easier and the change extend of tested much wider. it is fit to test the majority of electricity system design

    該裝置與傳統的調感式交流高電壓裝置相比具有更多優點，採用調頻方法使調節諧振更容易，被試品的變化范圍可以更大，適合大多數電力系統裝置的試驗。
  3. There are several procedures used to reduce these deteriorating effects, including the use of forward error correction techniques, error concealment methods and error resilience schemes. this paper studies error resilient techniques in internet video transmission. in this techeniques, reed - solomon ( rs ) codes across packets is used for error protection against packet loss, and a self - adaptive error concealment method based on motion feature is proposed, which can conceal errors more effectively, particularly for video sequences with acute motion

    本文針對因特網視頻傳輸中的丟包現象進行研究，一方面利用rs編碼來提高視頻壓縮碼流抵抗誤碼的能力；另一方面，提出了一種基於運動特徵的自適應誤碼掩蓋方法，能夠較好的掩蓋視頻傳輸帶來的誤碼，特別對于運動幅度較大的視頻序列更能體現出其優勢。
  4. Block - dct - based video compression scheme has been used widely in digital video system

    摘要基於分塊dct的視頻壓縮方法在數字視頻系統中得到了廣泛的應用。
  5. 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。
  6. In this paper, after the theory of video coding analyzed and some video compression standard compared, the development, constitution, application and characteristic of h. 264 video compression technique is focused on. and then the design of h. 264 video capturing and coding system based on adi dsp ( adsp - bf561 ) is illustrated, the hardware constitution and the software realization of the real - time video encoder are introduced particularly, and all kinds of techniques to optimize the h. 264 program according to the hardware configuration and compiling characteristics of adsp - bf561 are discussed especially

    本文在分析了視頻編碼的基本原理，並將目前常用的視頻壓縮標準進行了比較的基礎上，重點分析了h . 264視頻壓縮技術的發展、組成、應用及其特點，詳細論述了以adidsp （ adsp - bf561 ）為核心的h . 264視頻採集編碼系統的硬體組成和軟體實現，著重闡述了根據adsp - bf561系統的硬體及編譯系統特點，運用各種方法對h . 264編碼程序代碼進行優化的方法，最終實現了基於adiadsp - bf561的h . 264視頻採集編碼。
  7. Analysis and objective measurement of video compression artifacts

    視頻壓縮損傷分析及客觀測量方法
  8. In chapter 5, we redesign the architecture and data flow of the encoder program according to the characteristics of dsp. at last, we summarize our researches in chapter 6, and propose some advices to give directions to the following work.

    最後，在第六章中，對基於監控場景的甚低碼率視頻壓縮演算法研究工作，進行了總結，並為將來的發展提出了展望和規劃。
  9. Some novel enhancing morphologic translation algorithms such as mark, areaselect, bylsland, island are implemented in the experiment of this thesis. and what ' s more, making full use of overlapping movement compensation, embedded zerotree wavelet translation encoding and contend - based wavelet translation, this thesis has achieved the human - face - central video compression of the key objects

    實驗中提出了一系列新型增強形態變換演算法，如mark 、 areaselect 、 byisland 、 island等，並且將交疊運動補償、零樹小波編碼、基於內容的小波變換等有機地結合起來，實現了基於人臉關鍵對象的視頻壓縮。
  10. National knowledge power bureau bureau chief king the evd standard accept when gather newsing reporter think, in the evd development process international rule of the right of knowledge of application of academic association of beginning of inside, local business enterprise is with the knowledge power strategy, become own core technique with standard, for the positive and international competition backlog of chinese business enterprise experience, grew with developped the own core competition ability to provide for chinese business enterprise good draw lessons from. according to all, the that new - released evd adoption have the right of independence knowledge compress the calculate way under the same code rate born and better than ratio ac 3 quantities s, come to a now the international and last compress the realm s advanced level

    國家知識產權局局長王景川就evd標準接受記者采訪時認為，在evd的研發過程中，國內企業開始學會運用知識產權國際規則和知識產權戰略，形成自己的核心技術和標準，為中國企業積極參與國際競爭積累經驗，為中國企業培育和發展自己的核心競爭力提供了很好的借鑒。據悉，新推出的evd採用具有自主知識產權的音頻壓縮演算法eac在相同碼率下生成優于杜比ac 3質量的音頻，達到了目前國際上音頻壓縮領域的先進水平。
  11. It is both a theoretic and a practical project. after analyzing several identification methods, the writer put forward a method based on t - model equivalent circuit. to consider the skin effect, the writer modified the t - model equivalent circuit, adding the skin effect coefficients

    經過分析幾種常用的電機參數辨識方法，如頻響法，最小二乘法和卡爾曼濾波法等之後發現在本課題的前提條件? ?空載全電壓起動下無法進行辨識，因此藉助于電機的t型等效電路模型。
  12. We concluded that designing dsp and wavelet transform + spiht coding + mrme method based video compressing system is applicable. if real - time video data collection part is added, we can get a perfect real time video collecting and compressing system

    在dsp上實現小波分解+ spiht編碼+小波域內運動預測方法進行視頻壓縮具有較好的實用性，如果在系統中加入實時視頻信號採集，可形成完整的視頻採集壓縮系統。
  13. It is believed by these algorithms that very good matches are likely to be found in the vicinity of reasonably good matches. although this assumption might not be necessarily true, it is useful for reducing the computation as the search can be broken down into stages where the algorithm successively narrows down on the regions of good matches. there are a large number of algorithms that make this assumption and these may be classified as algorithms based on the principle of locality

    目前用於計算運動向量的快速搜索法經常因為陷入局部最小而不能準確的計算到運動向量或者計算量過大讓人不能接受，提高運動向量估計的計算速度對于實時視頻壓縮編碼有著重要的意義，更重要的是要在保證估計精確度的前提下提高提高運動向量估計的計算速度，常見的搜索法往往不能在陷入局部最小和計算量上找到一個合適的平衡點。
  14. Per channel, and the result from ti ' s software simulator in ccs ( code composer studio ) is given, putting forward the principles and difficulties of realization of this algorithm. the recovered music signal is very close to the original signal and they are difficult to tell apart. in this paper a scheme of real - time implementation for this algorithm is discussed

    本文敘述了mpeglayer音頻壓縮編解碼器的演算法及模擬實現研究，用c語言實現了的高保真音樂信號64kbps每聲道的非實時解碼，並在ti的ccs （ codecomposerstudio ）系統中的軟體模擬器上進行實時研究，提出了該演算法在具體實現中的要點和難點。
  15. Transform coding algorithm of ac - 3 digital audio compression

    3數字音頻壓縮中的變換編碼演算法
  16. In fact, scaling technology is an essential component in many image / video processing such as to magnify / minify still image, to achieve special effect like picture - in - picture, to compress or transform digital video with spatial scalability etc. in this thesis we mainly employ this technology in video transcoding, which is a powerful but computationally intensive tools to convert one kind of video format into another, meeting different demand such as lower bitrates or various display terminals. in sum, there are two kinds of scaling schemes : one is in spatial domain and the other in transform domain. the scheme in transform domain can provide very good performance, that is, efficient computation and desirable image quality, whereas it has some disadvantage which is impossible or hardly to o vercome, especially some scenarios require arbitrary ratio zoom in horizontal and vertical, and excellent visual effect

    兩種方法都各有其利弊：變換域的方法是利用現有常用的視頻壓縮方案都是基於dct這個特點，所以可以直接在變換域做處理，這樣可以節省大量的計算，但其缺點是由於dct是基於塊的變換，如8 8 ，所以很難找到一種方案可以進行任意比例的縮放，尤其是在縱橫縮放比例不一致的情形，但這對諸如hd縮放到sd和空域分級的壓縮方案來說尤為重要，基於空域濾波的方法卻沒有這樣的限制，同時可以保證縮放后的圖像的質量遠高於基於變換域的方法，為了達到高的縮放質量，就不可避免導致計算量過大。
  17. While being the trend and the symbol of high technology of the rac, the ac inverter and the dc inverter rac are seldom sold in china because the know how of these products can not be imported directly or can be imported very expensively

    但代表家用空調高新技術和發展方向的交流變頻空調器和直流變頻空調器在我國市場銷售份額中僅占極小比例，其主要原因為關鍵技術（變頻控制器及直流變頻壓縮機）無法從國外引進或引進價格過高。
  18. In the paper, the two - step approach, in which the deposition procedure was divided into two sections by decrease the substrate temperature or the bias voltage, was used in order to synthesize c - bn film by the conventional js - 450a rf system. the influence of process parameters for nucleation and growth of depositing c - bn was studied separately

    本論文使用傳統的js - 450a射頻濺射系統利用兩步法（降溫降偏壓法）沉積立方氮化硼薄膜，分別研究了各工藝參數對立方氮化硼成核和生長的影響。
  19. Method study of video compression based on adv601 chip

    601實現視頻壓縮的方法研究
  20. Low complexity video compression in dense camera array

    一種密集相機陣列的低復雜度視頻壓縮方法
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