數字分量技術 的英文怎麼說
中文拼音 [shǔzìfēnliángjìshù]
數字分量技術
英文
dct digital component technology- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 技 : 名詞(技能; 本領) skill; ability; trick; technique
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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Makes general analysis and research on human visual system the characteristicness of human visual system is the process being considered firstly for every image process technology, include watermark technology, in order to join the characteristicness of hvs and the watermark technology together, this paper analyses and researches the hvs theoretics particularly firstly. it build the aesthesia models and the jnd models after discussing eyes " biology configuration particularly and expatiating eyes " aesthesia process. these works provide the foundation for the later research of watermark channel capacity and the watetmark embedding intensity. 2
對人類視覺系統的特性進行了全面的分析和研究人類視覺系統的特性是任何圖像處理技術必須優先考慮的環節,數字水印技術也不例外,為了使人類視覺系統的特性和數字水印技術很好地結合,本文首先對人類視覺系統理論進行了全面細致的分析和研究,在詳細闡述了人眼的生理結構及人眼對顏色的感知過程的基礎上,建立了人眼的感知模型和人類視覺系統的jnd模型,這些工作為后來水印通道容量的研究、水印嵌入強度的確定等工作奠定了基礎。According to the research results of the rock quality calculation, the columnar section digitlizing, the rock mass structure diagnosis and other methods this paper used engineering limited parameters, basic structure and evolutionary structure of rock mass as the first grade indexes, proposed the technique of dynamic engineering classification of stability of mine road surrounding rock mass ? dec ?, pointed out the method of using dec results
基於圍巖質量計算、柱狀圖數字化與重組、圍巖結構診斷、采動應力作用后圍巖結構演化等研究成果,採用工程要求、基本結構、演化結構」為一級指標,提出了巷道圍巖穩定性動態工程分類技術、分類結構的表達技術及分類結果的應用方法The key technique of telemetry digital diversity receiver is diversity technique, which combines independent multi - path signal or extremely irrelevant multi - path signal at less, and improves instant snr and average snr in receiver and enhances communication quality. there are many irrelevant multi - path signal in wireless
遙測數字分集接收機一個重要關鍵是分集技術,分集技術是對獨立的或至少是高度不相關的多徑信號進行相加,從而改善接收端信號的瞬時信噪比和平均信噪比,提高通信質量。3. brings forward a watermark method based on fractal theoretics this paper has a novelty that joins the fractal technology, dct and dwt transform, watermark technology together. fractal technology has strong vitality on the image encoding. dct and dwt transforms have broad applications on the image process. so this paper introduces fractal technology into watermark technology, brings forward fractal watermark technology in dct and dwt domain and tests the fractal watermark technology by many tests. fractal technology is a new thought and solved scheme without doubt
3 .提出了基於分形理論的數字水印方法將分形技術、 dct和dwt變換技術、水印技術有機地結合起來是本文的一大創新,分形技術在圖像編碼方面具有強大的生命力, dct和dwt變換技術在圖像處理方面有著廣泛的應用,因此本文將分形變換技術引入到數字水印技術中來,分別在dct域和小波域內提出了分形水印技術,並且通過大量的實驗證實了分形水印技術的可行性,這無疑是一種新的思想和解決方案。With the development of modern computer technique and higher - resolution image grabber, the digital processing technique for automatic optical fringe patterns analysis, especially phase analysis technique has become one of the most important methods in the optical interferometry and computer - aided optical metrology
隨著現代計算機技術的迅速發展和圖象獲取設備的解析度的不斷提高,光學測量干涉條紋圖象的數字處理技術特別是相位分析技術已成為光學干涉計量、計算機輔助光學測量中的重要技術。The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。The comprehensive geological characteristic has been fully studied in this paper. on the basis of this, closely combining production practice, the favorable gas developing regions have been determined with the methods of sedimentary facies and combination of generation, reservoir and caprock, and logging parameters interpretation maps and regression formulas have been established with logging data, as well as reprocessing, interpretation and identification of gas reservoir have been done with computer. integrating the information and results of geology, logging, testing and geophysics, the gas reservoir distribution regularity of structure of no. 1 sebei has been described and reserves in place of no. 1 ' sebei gas field have been recalculated, which have provided a basis for next step of development in research area
在近十多年,通過提高地震資料處理精度、淡水聚合物泥漿的應用、數字測井技術的運用、並加強了低電阻層和差物性層的試氣及氣田擴邊鉆探,大大提高了對氣層的識別,大量增加了氣層的層數和厚度,擴大了氣田的含氣面積,使氣田儲量通過多次復查核算仍在不斷增加本論文充分研究了青海澀北一號氣田天然氣地質綜合特徵,並以此為基礎緊密結合生產實踐,應用沉積相與生儲蓋組合等方法確定氣藏有利發育區帶,應用測井資料建立測井參數解釋圖版並回歸公式,應用計算機重新處理、解釋和識別氣層,綜合地質、測井、試井、物探等多方面信息與成果,描述了澀北一號構造的氣層分佈規律,重新計算了澀北一號氣田的地質儲量,為研究區下一步開發提供了依據。Researches the basis watermark managing works particularly and systemly. there are many works to do on watermak technology except watermark embedding and extraction arithmetics such as the watermark choosing, encoding, modulating, demodulating and the watermark capacity. these prior and ultimate works ensure that the arithmetic is brought into effect. just understanding these, this paper analyses and researches the basic watermark theoretics in many pages. it brings forward chaos modulation on watermark modulating, brings forward chaos permuting on image permuting, introduces bch encoding on letter watermark processing and discusses the approximate estimate of the watermark capacity in dct domain and dwt domain by applying the current communication theoretics. there works not only extend ways for the later work but also are significative on watermark research
全面系統地研究了水印信號的處理技術數字水印技術除了水印嵌入和提取的演算法外,還有許多工作需要做,如水印的選碼、編碼、調制、解調、能量的確定等等,這些預處理和后處理工作是演算法有效實施的必要保證,正是基於這樣的認識,本文利用較大的篇幅對水印的基本理論知識進行了詳細的分析和研究,在水印的調制方面,提出了混沌調製法;在圖像水印的置亂方面,提出了混沌置亂法;在文字水印的處理上,引入了bch編碼;在水印容量分析方面,結合現代通信理論,對圖像在dct域和小波域內的水印容量估算進行了詳細的探討,這些工作不僅為本文後期工作鋪平了道路,而且對數字水印的研究具有重要的意義。The second part of the dissertation concentrates on the applications of the digital image processing technique in measuring the specimen deformation in - triaxial test. it includes : ( 1 ) discuss of some problems in triaxial test. it includes the influence of end contact and end restraint, the volume variety during the triaxial specimen being saturated, the characteristic of distributing of the gram at the surface of specimen, etc. conclusions are made and some suggestions are presented
論文的第二部分是數字圖像測量技術在土工三軸試驗中的應用研究,主要內容包括以下幾個部分: ( 1 )三軸試驗若干問題的討論:利用數字圖像測量技術,主要對三軸試樣的端部約束、端部接觸和端部區域「藏水區」效應、三軸試樣飽和過程中的體積變化以及試樣表面顆粒分佈特性等問題進行討論,給出了一些有意義的結論和建議。Dct digital component technology
數字分量技術In the thesis, the theorical background and methods of numerical reconstruction are introduced, the theorical background for numerical reconstruction in digital holography is scalar diffraction theory
數字重現技術以標量衍射理論為其理論基礎,與傳統的光學全息一樣,數字重現也分兩個步驟:記錄和再現。The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location, the design method and realization principle of the series devices, such as the reactive power acquisition device, the reactive power optimized controller and the compensation capacitor operator, is seated in detail through economic and technical comparison, a realistic hardware scheme of reactive power compensation system is proposed
文章利用電磁感應原理和數字通訊技術結合試驗設計出電源自給式高壓線路無線信號採集裝置,解決了配電網分支線路無功參數不易測量的問題。文章還介紹了系統無功補償容量及安裝位置的計算方法,較為具體的講述了無功功率採集器、無功優化控制器以及補償電容操作器等一系列裝置的設計方法和製作原理。通過經濟技術比較提出了一整套切實可行的無功補償系統硬體製作方案。The established theory is helpful for designing multiscale algorithms. in the second part of the paper ( chapter 5 ), a refinement strategy for digital curves is first proposed, and then a new measure for discrete curvature, referred to as l - curvature, is presented
文章第二部分(第五章)針對現有直接角點檢測演算法所存在的問題,提出精化數字曲線技術,並基於精化曲線設計一種離散曲率的計量方法,稱為l -曲率。But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed
本文重點對灰度圖象數字水印技術進行研究,主要工作如下: 1 )鑒于目前數字水印的理論研究比較薄弱的現狀,本文通過分析數字水印的特點,建立了一個數字水印的數學模型,為進一步研究數字水印打下了基礎; 2 )根據以上建立的模型,通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法,並對一些數字水印演算法進行了分析; 3 )為增強數字水印抵抗幾何攻擊的能力,研究了受幾何攻擊的圖象的復原問題,並給出了一個計算圖象幾何變換參數的方法; 4 )通過分析圖象灰度插值演算法和haar小波變換的特點,結合hvs的掩蔽效應,設計了一個公開的有意義數字水印演算法,實驗結果表明本演算法具有較強的穩健性; 5 )目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的,這種方法面臨著透明性和穩健性的矛盾,為解決這個矛盾,本文提出以圖象的某些穩定的數字特徵為水印的觀點,並結合hermite矩陣的特點設計了相應的水印演算法,實驗結果表明該演算法具有較好的穩健性。Furthermore, in the second part, the author makes a deeply discussion and research on the design scheme of dalian tv station non - linear av editing network including the double - net framework, the digital compress technique, the virtual storage technique, the choices of digital compress format, the account of terminal stations, the manage functions and security of the system, etc. finally, in the third part, the author introduces the progress of non - linear av editing network in the future, showing the choices of compress format, software function, i / o interface, whole system of programming and broadcast, combining with internet and interactive tv, points out the direction of tomorrow tv technology system
在此基礎上,隨后在文章第二部分對大連電視臺的非線性視音頻編輯網建設從其核心技術與具體網路設計方案進行了詳細的闡述。其核心技術主要包括雙網結構、數字壓縮技術、虛擬存儲技術等;具體網路設計方案則包括數字壓縮格式的選擇、站點的數量及功能、系統的管理功能及安全性分析等幾個方面。文章的第三部分則主要通過壓縮格式選擇、軟體功能、上下載介面、制播一體化、與internet結合、交互電視等方面展開對電視臺非線性編輯網路的發展的論述,指出未來電視技術系統的發展方向。Digital video technonogy is the main part of the field of information industry which the country develops especially. with the rapid progress of broadband network and digital tv, the applications of video - on - demand, interactive tv and video website become more and more popular. all of these applications are facing the emerging digitalized video data in a large amount
數字視頻技術是國家重點發展的信息產業領域的重要組成部分,隨著寬帶網路和數字電視的迅速發展,視頻點播、交互電視、視頻網站等應用需求越來越廣泛,這些應用都將共同面臨大量涌現的數字化視頻數據。The background of rapidly developed uhsm ( ultra high speed machining ) technology is introduced and the key function of the uhs ( ultra high speed ) motorized spindle to uhsm is discussed in the thesis. after analyzing international technology status and trend of the uhs motorized spindle study, we research the core technologies related to the uhs motorized spindle in detail, such as optimized design of the motorized spindle structure, high speed bearing technologies, oil - gas lubication technologies, precision machining and assembly technologies, design and manufacture technologies of the built - in frameless motor etc. then the digital simulation of the motorized spindle sensor - less vector control system is studied thoroughly
本文從超高速加工技術飛速發展的背景出發,討論了超高速電主軸對超高速加工技術發展的重要作用和意義;分析了超高速電主軸研究的國內外現狀及發展趨勢;詳細論述了超高速電主軸的關鍵技術,包括電主軸結構優化設計、高速軸承技術、油氣潤滑技術、精密加工與精密裝配技術以及內裝式電機設計製造技術等,並深入研究了超高速電主軸無速度傳感器矢量控制系統的數字模擬技術。Some of them have set about this work. this article discusses the principles of digital tv studio technology according to the present situation and developing tendency of current tv systems, including the features of digital studio, the coding standards of digital signal, the compressing technology of video and audio signals and the utilization of computers multimedia technology in editing tv programs. it elaborates the designing methods, principles and puts forward several concrete disposition examples
本文僅根據目前高校電視節目製作系統的發展現狀及趨勢著重論述了數字電視中心的技術原理,包括數字演播室的特點、數字分量信號的編碼標準、視音頻信號的壓縮技術以及計算機多媒體技術在電視節目製作中的應用等內容,闡述了高校電視節目製作系統數字化的設計思路及設計原則,提出了具體的設備配置方案。And we also provide a detection method whose precision is on the order of micro radians. all of the above is based on technologies on ccd, dsp digital control and digital procession of images. we design a optical amplifier system matching the specified ccd camera, in order to catch qualified laser beam spot images
本論文對光通信精跟蹤的技術進行了論述、分析,在此基礎上提出實現十微弧度跟蹤精度的精跟蹤系統原理樣機的設計方案,及能檢測微弧度量級的檢測方法,這主要基於ccd探測技術、 dsp數字控制技術和數字圖像處理技術。Based on the writer ' s research and development, chapter 3 discusses the analysis, design and development of some important sets in mps4000 sias which are set for switching on the power, set for multi - function measurement protective and set for directional protection. digital filter and subsection revise technology are discussed in this chapter too
第三章結合筆者的研發實踐,論述了變電站綜合自動化系統中自動準同期裝置、方向保護裝置和多功能測量裝置的分析、設計和開發,同時詳細分析了在研發過程中對數字濾波技術、分段校正技術等工程技術的應用。分享友人