uniform array 中文意思是什麼

uniform array 解釋
均勻換能器基陣
  • uniform : adj 1 (形狀、性質等)一樣的,同一的;一致的;相同的。2 一貫不變的;始終如一的。3 規格一致的,均...
  • array : vt 1 打扮,裝飾。2 使…列隊,排列。3 提出(陪審官)名單,使(陪審官)列席,召集(陪審官)。n 1 整...
  1. Joint angle and delay estimation based on uniform circular array in cdma system with aperiodic spreading code

    非周期擴頻系統中基於均勻圓陣的角度和時延的聯合估計
  2. In this thesis, by adopting a semiclassical model, we get an exact solution to the potential distribution in a one - dimensional finite uniform array of mesoscopic tunnel junctions. we discuss the features of two kinds of charge solitons in the array

    我們採用半經典模型精確求解了一維有限長均勻介觀結鏈中的電勢分佈,討論了兩種電荷孤子的特徵。
  3. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況,對矢量水聽器構成的陣列進行了初步的探討,利用本文前面部分所分析的基於單矢量水聽器的方法,實現了陣元間距突破半波長上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。
  4. In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible

    在rsdm中,以實值模式代替二值模式,避免了實值到二值的編碼過程:以回歸學習規則代替外積法,使該模型在具有識別能力的同時具有了對函數的逼近能力;地址矩陣的預置根據樣本的分佈採取不同方法,若樣本均勻分佈,則隨機預置,否則利用遺傳演算法的原理和消減措施來預置地址矩陣,使之反映樣本的分佈,改善網路的性能。
  5. Micro - jets impingement cooling heat sink is used to cool the high power lda owing to the very thin hydrodynamic and thermal boundary layers in the impingement region when a jet impinges on a surface. reasonable array of jets can develop the uniform of temperature distribution on target very much

    微射流陣列冷卻熱沉,是利用射流沖擊在駐點區能產生很薄的邊界層來提高換熱效率的,合理的布置射流孔,可以極大的提高被冷卻表面溫度分佈的均勻性。
  6. For the purpose of estimating 2 - d doa of uniform circular array ( uca ), phase mode excitation based uca beamforming is employed to obtain real - valued beamspace manifold

    對均勻圓陣列( uca )二維波達方向估計問題,運用相位激勵模式波束形成技術,得到圓陣波束空間實值陣列流形。
  7. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈,用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式,舉例說明了互耦對陣列天線性能的影響,數值模擬了在弱干擾和強干擾下,互耦造成系統性能下降的情況並分析了原因。
  8. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法,把陣元問的互耦用陣列的歸一化阻抗矩陣來描述,推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式,模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。
  9. Beamforming of coherent signals based on uniform circular array

    基於均勻圓陣的相干信號波束形成方法
  10. An algorithm for coherent interference beamforming based on uniform circular array

    基於均勻圓陣的相干波束形成演算法
  11. 4. problem of circular array ’ s high side - lobe ( relative to main - lobe ) and the lower depth of zeros is resolved using mode space transform, which changing uniform

    4 .利用模式空間變換將均勻圓形陣列轉化成虛擬的均勻線陣,解決了圓形陣列副瓣電平較高(相對于主瓣) 、零點深度相對較淺的問題。
  12. The performance of beamspace high - resolution direction - of - arrival ( doa ) estimation is analyzed. a dense beamspace music ( dbmusic ) algorithm for the uniform linear array ( ula ) is proposed

    深入分析了波束域高分辨方位估計性能,捉出了一種基於均勻線列陣的密集波束域music ( dbmusic )法。
  13. Lake - experiment verified the correctness of this low sidelobe level beamformer. 4. the broadband constant beamwidth beamforming vectors for a uniform linear array are designed and its effectiveness when applied to a real array is verified by water tank experiment

    針對均勻分佈線列陣,設計了基於chebyshev加權的寬帶恆定束寬波束形成向量,消聲水池實驗驗證了設計方法對于實際基陣的有效性。
  14. Based on theoretical studies on these algorithms, by means of computer simulation and the water tank experiment, we analyzed the performance of these algorithms in uniform linear array, which included the separation and reconstruction of source signals and doa estimation performance

    在詳細分析各種演算法內在機理的基礎上,針對均勻線列陣,通過大量的計算機模擬實驗與水池實驗數據處理結果,分析、討論了幾種演算法對目標源信號的分離、捕獲能力以及方位估計性能。
  15. Transmiting beamforming of stepped frequency signals for the uniform circular array

    基於均勻圓陣的步進頻率信號發射波束形成
  16. A new mutual coupling calibration algorithm for uniform circular array

    一種新的均勻圓陣互耦校正演算法
  17. When a cluster of particles is immersed in a uniform electric field, the particles are coupled together due to the mutual interaction among them. this interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size. in this work, we attempt to estimate the dipole moment of finite cubic arrays of particles, in terms of that of particle chains which has been known. we assume that a chain may be replaced by a single equivalent sphere with the same dipole moment. with replacing the chain by equivalent sphere, a cluster is simplified to a planar array, and this planar array is simplified to a chain, then the dipole moment is obtained. numerical calculations are performed. it is found that our results are acceptable

    置於均勻電場中的一簇球形顆粒,由於其內部的相互作用而耦合在一起.這致使簇的感應偶極矩與簇的幾何結構,大小以及顆粒的介電常數等參量有關.試圖通過已知的鏈的偶極矩確定任意大小長方結構的簇的偶極矩.假定顆粒鏈可以被具有同樣偶極矩的一個等效介質球代替,並將具有空間結構的顆粒簇處理成面結構簇,再將面結構簡化成一個顆粒鏈,從而確定簇的偶極矩.在這一過程中,通過不斷增加等效球的尺寸,將顆粒間的相互作用包含在簇的偶極矩中.數值分析了立方結構簇的偶極矩,結果是可接受的
  18. The directivity coefficient of the phased array antenna has been generalized and discussed. according to the formulations of microstrip antenna design theory, planar and cylindrical microstrip patch cell has been analyzed. we can conclude that the cylindrical microstrip patch cell has the performance of high gain, low thickness, high resonant frequency, uniform directivity diagram, and easy fabrication on missile body, so it is a good choice

    本文根據微帶天線設計理論,分析了平面和柱面兩種微帶貼片單元,其中柱面微帶貼片單元增益高、厚度小、諧振頻率高、方向圖均勻,且較易加工製作在彈體上,適合在相控陣天線中做共形輻射單元。
  19. The above algorithms can all be applicable to a non - uniform array where the number of users can be greater than the number of antennas. computer simulation and practical

    上述兩種方案的各種演算法都不依賴于天線陣列的幾何形式,並且適用於移動用戶數大於陣元數的實際通信環境中。
  20. A stream is a uniform array of component data in which each component consists of one or more elements that represent a single entity such as position, normal, or color

    流是統一的分量數據數組,在該數組中,每個分量由表示單個實體(例如,位置、法線或顏色)的一個或多個元素組成。
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