spatial phase 中文意思是什麼

spatial phase 解釋
空間相位
  • spatial : adj. 1. 空間的;在空間中存在[發生,佔有位置]的。2. 佔大篇幅的。n. -ity 空間性。adv. -ly
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前,需要估計干擾源的方向和個數,因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理,並分析了它們的性能和優缺點。
  2. The main content of this paper is compress arithmetic of multi - spectral image, and the implement with fpga. in the phase of preprocess, the paper analyses the characteristics of multi - spectral image, classifies data redundancy to two classes : spatial - redundancy and spectral - redundancy, afterwards, eliminates these data redundancy with different forecast models

    在預處理階段,本論文分析了多光譜圖像的數據特點,將多光譜圖像數據中存在的數據冗餘分為兩大類:空間冗餘和譜間冗餘,再針對每種冗餘使用相應的預測模型消除數據相關性。
  3. The difformity of these graphs reflected the diversity of their formative mechanism, behavior character and development phase. thus the research for geography spatial graph could educe the evolvement law

    圖形的千差萬別反映了它們成因機制、行為特徵及演化差異的信息,對地理空間圖形的研究可以反演空間事物的分異演化規律。
  4. The spatial expansion of urban fringe of xi ' an city is divided into 5 phases. according to each phase, expansionary modes and force are analysed. according to the divided phases, the paper analyses the elements of land use in each phase

    根據20世紀初期至今西安城市建設發展的過程,本文進一步將西安城市邊緣區的空間擴展劃分為五個階段,針對每一個階段分析了其擴展模式,並作了驅動力分析。
  5. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點,全場準確測量了液晶空間光調制器的位相調制特性,並且利用它的位相調制特性實現了臺階位相板畸變波前的補償,由此證明了液晶空間光調制器可用於控制波前畸變。
  6. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  7. A demodulation method of gear phase modulation vibration signal based on spatial sampling

    基於空間采樣法的齒輪調相振動信號解調
  8. Motion compensation includes range alignment and phase reference selection technology. frequency correction algorithm, spatial correction algorithm and envelope minimum entropy algorithm are respectively applied in range alignment. phase compensation is according to selection of the phase reference

    2 、運動補償部分主要解決距離校正和相位基準選擇技術,距離校正分別採用了頻域校正法、空域校正法和包絡最小熵法,主要依據相位基準選擇的方法來進行相位補償。
  9. The output of vector hydrophone contains the spatial direction information, in the other word, the output has different phase gradient to signal with different direction

    它是利用了矢量水聽器四個陣元的輸出所蘊含的空間方位信息,通過對一個方向信號延遲的補償相減達到此方向信號的抵消的目的。
  10. The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device

    針對實際光通信應用中對通帶帶寬的需求,本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。
  11. All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure

    從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間,分別對應于空間系列、時間序列和等級序列三個層面,每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系,利用rmi (關系-映射-反演)原則,成功地實現了城市系統宏觀模型的理論抽象,將空間復雜性問題表徵為簡單的指數式標度定律(包括數量律、規模律和尺度律) ,這一組標度律可以與一組冪次定律(包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律)互為變換。
  12. 3 ) the dynamic responses are studied primarily when the normal incident waves from the lateral boundary are rayleigh surface waves. the results of the dynamic response and the spatial waveforms are given. through comparing the numerical solutions with the analytical solutions of one - phase media, the validity of the corresponding program is proved

    初步分析了基於單相介質理論的rayleigh面波從側邊界垂直入射時的動力響應問題,給出了動力響應結果和rayleigh面波的空間波形,通過比較單相介質數值解與解析解兩種方法的分析結果來檢驗程序的正確性。
  13. The operating principles of svpwm and associated control algorithms are also covered in the paper. by using svpwm to control the magnitude and phase angles of the spatial voltage vector, the speed control of the drive system in this paper can reduce the output of current harmonics, lower the torque ripple, and improve the energy efficiency

    本文還對svpwm的工作原理和控制演算法進行了研究,控制系統採用svpwm演算法,通過對空間電壓矢量的幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的諧波,降低了脈動轉矩,提高了電壓的利用率。
  14. The process that light wave gets through arrayed waveguides can be regarded as a process of extracting spatial sample and filtering spatial frequency. spacial sample is accomplished by period interval arrangement of awg and spatial frequency filtering is accomplished by the fundamental mode and phase delay of each arrayed waveguide which is just a spatial frequency filter

    而光場通過陣列波導的過程,可八碩士學住論文waiaster 』 stiesis以看作是空間抽樣以及空間濾波的過程:空間抽樣由陣列波導的周期間隔排列完成,空間濾波由每個陣列波導的基模形式以及位相延遲完成(陣列波導即為一空間濾波器) 。
  15. From 1920s up to now, various techniques and methods for wave field decomposition, propagation and migration / imaging have been well developed, such as the kirchhoff asymptotic method, frequency - wavenumber domain phase - shift and phase - shift - plus - interpolation methods, and the one - way wave equation based phase - screen and generalized screen methods, etc. wave field extrapolation in these methods is implemented based on the expansion of the wave field by sets of basic functions like spatial fourier harmonies, modes, and green ' s functions

    自上個世紀二十年代至今,波場分解、傳播與偏移成像技術經歷了將近一個世紀的發展,形成了多種不同的方法,如kirchhoff波動方程高頻近似解方法,頻率-波數域的相移( phase - shift )方法和相移-內插( pspi )方法,以及在混合域中基於單向波動方程的相位屏、廣義屏方法等。
  16. Based on two drill holes with known geological conditions and adopting relative phase wave, the authors obtained two diametrically different types of ip relative phase sounding curves for orebodies and carbonaceous beds respectively, which can be used to distinguish anomalies of different properties and determine spatial positions

    摘要根據礦山提供的兩個已知地質條件的鉆孔,採用激電組合波相對相位測深法獲得了在礦體上和炭質層上兩種完全不同類型的激電相對相位測深曲線,不僅可以區分異常性質,而且可以空間定位。
  17. The device is based on a liquid crystal, display ( lcd ), to form a phase - most spatial light modulator

    此裝置採用了一個液晶顯示器( lcd ) ,它形成偏相位空間光調制器。
  18. Patch of dissimilar land use types had different spatial graph character, and patch of the same land use type also exhibited different spatial shape in different evolvement phase or in different environment

    不同土地利用類型斑塊有不同的空間圖形特徵,同一土地利用類型斑塊在不同演化階段或處于不同環境中其空間形狀也有差異。
  19. The new algorithm is one of quality guided path following methods, belonging to spatial phase unwrapping methods dependent on path. its framework consists of digital weighted filtering and modulation ordering

    新演算法屬于空間位相展開與路徑有關的方法中利用可靠度函數尋找優化路徑( qualityguidedpathfollowingmethod )的方法之一,由數字加權濾波和調制度排序構成。
  20. Spatial phase shift

    空間相位移動
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