circular array 中文意思是什麼
circular array
解釋
環形陣-
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 -
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。 -
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。 -
Their maximum and variance of beam pointing accuracy are much smaller than the results of round - off method. deficiently, only ordinary antennas are studied here, circular array and cylindrical array, for example. farther study about complex and anomalous conformal antennas is expected
不過，本文中只對簡單形式的共形陣天線，如圓形陣、圓柱面陣天線進行了分析，復雜的不規則的共形陣天線的情況還有待于進行進一步的研究。 -
In this dissertation, some algorithms and techniques of digital beam forming ( dbf ) of the conformal array are studied and also adaptive digital beam forming ( adbf ) of uniformity circular array ( uca ) based on wideband signal is investigated. this dissertation is organized as followed. in the first part of dissertation, the basic theory of conformal array is introduced
本文研究了共形相控陣的數字波束形成技術，對共形陣的相關技術進行了詳細介紹，並且對一些常規共形陣的數字波束形成技術進行了研究，得到較好的模擬結果，此外，還對寬帶共形陣數字波束形成技術及性能進行了討論、模擬及其性能分析。 -
The computer simulation results verify the validity of two adaptive algorithms applied to circular array. the algorithms are least square based on qr decompose ( qrd - ls ) and sampling matrix inversion based on qr decompose ( qrd - smi ). then we apply circular array with wideband signal
其次，驗證了基於qr分解的最小二乘演算法（ qrd - ls ）和基於qr分解的采樣矩陣求逆方法（ qrd - smi ）兩種自適應演算法在均勻圓陣中的有效性。 -
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。 -
The prm is basically a monopulse secondary surveillance radar ( mssr ) that employs electronically - scanned antennas configured in a circular array
精密跑道監系統基本上屬單脈沖二次監察雷達，但採用排列成形的電子掃描天線。 -
A modified approach to anti - jamming of meter - band circular array radars
一種改進的米波圓陣雷達抗干擾方法 -
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 -
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。 -
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 -
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。 -
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 -
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。 -
The radiation patterns of 4 - elements and 6 - elements circular reflection arrays in different distances between the active element and the passive element, and different length of the passive element are calculated, which shows that the additional passive elements can improve the pattern of the circular array, and decrease the differences between beams, and produce several equal wavebeams
首次提出了一種新型的智能天線陣列結構，即圓環反射陣列，並就四、六元圓環反射陣列的情況分別對標準反射陣列和非標準反射陣列進行了詳細的分析研究，計算了不同間距、不同反射振子長度的方向圖。 -
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 -
In this paper we focus on the superdirective circular array antenna
本文中我們選取超方向性圓陣列作為我們的研究對象。 -
In this thesis, the overall scheme is to establish a circular array system which is formed from units of parabolic antenna. then, the resultant field will be detailed studied, in order to find out a steady - going array antenna system with the best combined efficiency
本文的主要內容是，利用拋物反射面天線組成圓形陣列，並對該天線陣列的空間合成場問題進行研究，力求在實際應用中得到穩定的、合成效率達到最優的空間合成場。 -
We take the relation of grating - lobe between frequency, arrays commutation and concentric ring array into consideration, and select the proper elements for different frequency successfully. finally, adaptive digital beam forming of broadband signal in circular array are investigated
分析了在寬帶信號情況下，如何從共形陣陣元中選擇合適的陣元用作數字波束形成，並針對一應用實例進行了陣元選擇設計。
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