information density 中文意思是什麼

information density 解釋
信息密度
  • information : n. 1. 通知，通報，報告。2. 報導，消息，情報。3. 資料，知識，學識。4. 【自動化】信息，數據。5. 【法律】起訴，告發。adj. -al
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  2. Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result

    2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法，特色是利用數值方法計算混合噪聲密度函數，結合二元環境信息完成濾波估計。
  3. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。
  4. As a member in the group, the author had attended 11 town ' s investigation, collected plenty of valuable firsthand information of low - density residential area construction condition of the small town by the on - the - spot visiting and talk

    作為小組中的一員，筆者參加了其中11個鎮的實地調研，採用與小城鎮領導進行訪談、實地參觀走訪等方式，收集到關于小城鎮住宅區建設情況的大量寶貴的第一手資料。
  5. The correlated degree of the density of deformed and failured masses and correlative dynamic force factors in tiger - leaping gorge reach are analyzed by effect measure analysis method which combines qualitative and quantitative analysis, and the key dynamic factors of bank - slope stability are established, which can provided the scientific information for origin division, evaluation, prevention of geological hazards and project planning

    本文採用定性與定量相結合的效果測度分析方法，對虎跳峽河段岸坡變形破壞密度與相關動力因子進行關聯度量化分析，從而確定了影響岸坡穩定的關鍵性動力因子，可為水電開發中的岸坡災害成因類型劃分、危險性評價、災害治理和工程規劃設計等提供科學依據。
  6. A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique

    本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究，其具體內容為：對近年來的研究工作進行了系統的介紹；提出了一個由粗到細的多階段的人臉檢測演算法，該演算法充分利用了序列圖像中人臉模式的各種有用信息，將復雜的檢測工作分為了四個部分：膚色區域分割預處理，人臉粗檢及利用橢圓擬和的人臉區域提煉，應用人臉基本特徵檢測和定位的人臉細檢， pca結合高斯概率密度估計的人臉驗證。
  7. These light sources have promising applications and potential market demands for the high - density storage of opto - information, high - speed laser print, high - brightness and dynamic display in all colors, solid light sources, signal detectors and communication

    這類光源在高密度光信息存儲、高速激光列印、全色動態高亮度光顯示、固體照明光源、高亮度信號探測、通訊等方面有著廣闊的應用前景和巨大的市場潛力。
  8. First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made

    首先，在分析二值的移位計數器的設計方法的基礎上，利用多值電路的高信息密度，提出了三值移位計數器的設計，運用該方法可以設計任意狀態的三值移位計數器，並且通過選擇最佳設計方案使控制邏輯電路最簡。
  9. The length of highways is an important indicator to show the development of the highway construction and to provide essential information to calculate the transport network density

    公路里程是反映公路建設發展規模的重要指標，也是計算運輸網密度等指標的基礎資料。
  10. Owing to the high density, mass capacity, and fast data transfer rate, the holographic data storage ( hds ) technology has become one of the potential new types of information storage technologies

    體全息存儲技術以其存儲密度高、存儲容量大，數據傳輸速率高、數據搜索時間短等優勢成為一種頗具潛力新型信息存儲技術。
  11. An analysis of population distribution took place on all of the 11 sites, and population size and density of 8 sites out of these 11 sites were estimated by direct counting method, in order to get basic information of the population ecology of cathaica cavimargo

    進行種群分佈分析時評估了石灰巖、純灌木、石灰石灌木、石灰石草地、花崗石灌木、花崗巖、純草地和花崗石草地8個樣地種群大小和密度，以便獲得cathaicacavimargo種群生態基本數據。
  12. This standard provides a technical solution for many applications within the information industry such as digital broadcast, high - density laser - digital storage media, and so on. the basic part of avs, avs1 - p2, targets standard definition and high definition format video compression, and aims to achieve similar coding efficiency as h. 264 avc but with lower computational complexity

    Avs1 - p2視頻壓縮標準的制定開始於2002年6月，它主要面向標清和高清視頻的編碼，目標是要取得與h . 264 avc相似的編碼性能，而編碼復雜性要大大低於h . 264 avc 。
  13. Recently much attention has been paid to short wavelength lasers for use in high density information storage, information display, uv communication, medical treament & diagnisis, and so on, which make it become an important basal research with extensive application

    由於紫外波段激光器在信息顯示和信息存儲特別是在海底探測，紫外通訊和光存儲，醫療和診斷，防偽和檢測，分析儀器等方面都有十分重要的應用，是一項具有重要應用前景的基礎研究。
  14. Blue laser is very valuable for military, communication, high - density optical storage, information, colorful display of laser % colorful printing and biochemistry. for example, blue laser of 475nm can be used for seabed research and communication of submarine

    藍色激光器在軍事、通訊、信息業、彩色列印、高密度光存儲、激光顯示及生物化學方面有著重要的應用價值，比如說海水的透射窗口落在藍綠色激光范圍內，俗稱「海軍藍」的475nm藍色激光器可成為海地探測和對潛通信的有效手段。
  15. More general quadratic constraints and entropy constrains of the density programming will be dealt with in this article. the two problems are widely applied in information theory, statistical mechanics, insurance business and game theory

    本文討論比mdi問題更普遍的帶有二次約束和熵密度約束的廣義熵密度規劃問題，這兩類問題在信息論、統計力學、對策論和保險業中有著廣泛的應用。
  16. The statistic analysis and comparisons of information density from journals of key agricultural university

    全國重點農業大學學報信息密度統計分析與比較
  17. As relatively high information density process of whole product lifecycle, the design process needs to share design information in time. it ' s a key of shortening product lifecycle

    產品設計過程是整個產品開發周期中信息相對密集的過程，能否及時共享產品的設計信息是縮短產品開發周期的關鍵。
  18. Looked from the human language development, the spoken language is first, the written language is second ; the spoken language and the written language in the expression way and the way as well as the glossary, the syntax, the information density and the language function aspect have the obvious differenc

    從人類語言的發展來看，口語是第一性的，書面語是第二性的；口語與書面語在表達方式與途徑以及詞匯、句法、信息密度和語言功能方面有明顯區別。
  19. Storing information in molecules of dna could allow for an information density of approximately 1 bit per cubic nanometer. the energy consumed by dna molecular biology computing is billionth of that consumed by one conventional computer. the characteristics of dna molecular biology computing mentioned above which are high parallelism, huge capability and low consumption are incomparable and irreplaceable to the existing computers and parallel ones

    Dna分子生物演算法具有高度的并行性，運算速度快； dna作為信息的載體其貯存的容量非常之大， 1立方米的dna溶液可存儲1萬億億的二進制數據； dna分子生物計算所消耗的能量只有一臺電子計算機完成同樣計算所消耗的能量的十億分之一； dan計算的上述特性，即運算的高度并行性、大容量、低消耗是目前計算機和并行計算機所無法比擬和替代的。
  20. Proceeding from the mission of reducing neuron numbers in neural networks ( nns ) and enhancing the information processing abilities of single neuron, as well focusing on the digital logic implementation by multi - thresholded neurons ( mtns ), this dissertation makes it possible that digital logic can be implemented by a small number of neurons and the nns realized digital logic may have high information density

    論文從減少神經網路中神經元個數及提高單個神經元信息處理能力兩個角度出發，以數字邏輯的多閾值神經網路實現作為研究內容，提出用較少的神經元實現數字邏輯，並且使實現的數字邏輯具有較高信息密度的可能性。
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