linear array 中文意思是什麼

linear array 解釋
平面天線陣
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  • 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. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  2. Then, we discuss the influences that the ground screen acts on the equispaced linear array and the circular array respectively

    然後我們分別討論地網對于等間距線性陣列和圓陣列的影響。
  3. With the rapid development of spationautics and remote sensing technology, a plenty of satellite images with high precision are produced, among which the linear array ccd image has satisfied the requirement of photogrammetry

    航天遙感技術的迅猛發展,產生了大量高精度的遙感衛星影像,特別是線陣ccd影像在理論和技術上都已達到了攝影測量要求的水平。
  4. At first, the author generally introduce the basal conception and theory, then discuss the existed optimal criterion and adaptive beamforming algorithm. the research of smart antenna at present is usually about theory discussion, and the theory analyzing object is usually linear array antenna, but td - scdma adopt circinal array antenna

    該部分先簡要介紹了智能天線的基本概念和原理,包括智能天線的工作原理、分類、主要功能、研究內容與發展動態;然後闡述了目前存在的智能天線最優權準則和自適應演算法及其存在的問題。
  5. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合
  6. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題,它依照嚴格的幾何關系進行目標定位,是測量目標距離、方位等參數的主要依據,時延估計的精度直接影響彈道跟蹤系統的精度,為提高時延估計精度人們進行了大量的研究和探索。
  7. Reserch of the speed measuring system based of a linear array ccd

    運動目標瞬時速度實時測量系統的研究
  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. With the development of space technology, space photogrammetry is becoming a direction of photogrammetry. it is a important technology that map is surveyed and revised based on single satellite remote image. the major works implemented in this paper are presented as follows : ( 1 ) the paper has done much work in inner orientation and space resection of frame camera image and linear array scanner image

    隨著航天技術的發展,攝影測量正在從以航空攝影測量為主到航空、航天攝影測量並重的方向邁進,基於衛星遙感影像的單片測圖與修測技術是航天攝影測量的一項關鍵技術,本論文從以下四個方面對此技術進行了深入的探討: 1
  10. Linear array antenna

    線陣天線
  11. And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation

    分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數,並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。
  12. Fortunately, we can solve this problem by using ap ( alternating projection ) algorithm, by this way ; the computational load can reduce dramatically. doa estimation is mostly research base on linear array, because of the limitation of linear, it can estimate the azimuth only ; solid array can estimate the azimuth and elevation, in this paper, the solid array is used for doa estimation ; when the signal sources are uncorrelated, the music algorithm is chosen, using mdl / aic algorithm, we attain the signal number of sources

    本文採用立體六元陣進行測向,在非相干信號源條件下,採用music演算法進行doa估計,採用基於信息論原理mdl準則或者aic準則判斷信號源數目,通過對陣列流形的研究,指出基於圓陣的陣列流形具有的某種對稱性,利用該對稱性來降低運算量,並且通過對演算法的研究,提出用維數較小的信號子空間或噪聲子空間來計算空間譜,進一步減小music演算法運算量。
  13. Linear array can only provide an azimuth scan ranging from 0 to 180 degree, while circular array from 0 to 360. by means of recurring moving array excitation, circular array controls the beams ’ orientation simply and neatly, creating a perfect pattern in azimuth and an ideal pattern in pitch

    線陣只能有180的掃描范圍,而圓形陣列能夠提供360方位角,通過循環移動陣列激勵,簡單而靈活地操縱波束的方位,能夠在方位上產生沒有方向性方向圖,而在俯仰方向上也有一個理想的方向特性。
  14. The study of the object positioning technology based on the linear array ccd image

    線陣ccd影像目標精確定位技術的研究。
  15. This paper may be importance to the port / starboard discrimination and its tactics for the traditional towed linear array sonar

    文中研究的內容對傳統拖曳線列陣聲納的左右舷分辨和戰術使用具有參考價值。
  16. 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。
  17. 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。
  18. 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。
  19. Four - channel linear array ccd - it - p1 driven by cpld

    使用cpld實現對dalsa4口輸出線陣ccdit - p1的驅動
  20. A new topology of antenna array named arcuate array is proposed. as the analysis shows, the arcuate array has its particular advantages, and the linear array and circular array can be unified into arcuate array family

    接著提出了弧形智能天線陣列結構,分析了弧形陣列的獨特優點,並把直線陣和圓陣統一到弧形陣列結構體系中。
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