beamwidth 中文意思是什麼

beamwidth 解釋
波束寬度
  1. The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

    這個信標器的波束寬度有限，如果彈體波束角超過了它，信號就會發生嚴重的衰減。
  2. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  3. The antenna system has a good characteristic with wide symmetrical beamwidth, broad impedance bandwidth and compact structure

    整個線性漸變槽天線系統具有對稱波瓣、寬頻帶、寬主瓣和結構緊湊等特點。
  4. Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system

    由於對天線波束指向的調整在很小的范圍內，故對天線的副瓣及波瓣寬度指標的影響可忽略，從而不會影響到雷達系統的基他性能。
  5. 1n thi s paper we bring forward a new p1an for array miniaturization using the p1ane phase - - contro11ed array can achieve both large covering width and narrow beamwidth

    本論文提出一種小型化的方案，採用平面相控陣可以實現大的覆蓋寬度和窄波束。
  6. Currently there are two typical spot - beam models with equal beamwidth and equal spotarea

    目前等波束寬度模型和等點波束面積模型是兩種常用的點波束模型。
  7. Firstly, the motion error model for the system is proposed, and accuracy of the model is satisfied under the condition of wide beamwidth

    首先提出了低頻uwb - sar運動誤差模型，在大波束張角范圍內具有較高的精確性。
  8. Ater level beamwidth 360

    水平面波束寬度： 360
  9. 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。
  10. The antenna is obtained by extending the longitudinal strip of the fin - line, and etched on a metallized dielectric substrate. it is operating at ka band ( center frequency : 34ghz ), which has a good agreement between simulated and measured results. its e - and h - plane 3db main lobe beamwidth are 79. 25 and 80. 03 degrees respectively with sidelobes less than - 10db

    天線工作的中心頻率為34ghz ， e面和h面測試方向圖主瓣寬度分別為79 . 25o和80 . 03o ，旁瓣電平均小於- 10的db ，模擬和試驗結果基本一致，所設計天線的各項指標經測試基本達到要求。
  11. Broadband constant beamwidth sonar

    寬帶恆定束寬聲吶
  12. A robust wideband constant - beamwidth beamforming method for acoustic imaging

    一種用於聲學成像的穩健寬帶恆定束寬波束形成方法
  13. A new method of broadband constant beamwidth beamforming for arbitrary geometry arrays is proposed

    對于任意幾何結構基陣，提出了一種新的寬帶恆定束寬設計方法。
  14. 6. the broadband coherent high resolution processing method based on constant beamwidth beamformers and the incoherent high resolution processing method based on subband beamformers are studied

    研究了基於恆定束寬波束輸出的寬帶相干高分辨處理方法和基於子帶波束輸出的寬帶非相干高分辨處理方法。
  15. Here a scheme to implement broad - band constant beamwidth digital beam - former has been presented. the results of computer simulation show the scheme is effective

    本文給出了一種寬帶恆定束寬數字波束形成器的實現方案，計算機模擬結果表明了該方案的有效性。
  16. The work presented in this paper is carrying out to the theory research of dbf. the work includes : research of dbf algorithms, dbf antenna system composition and realization. the application of dbf algorithms used in high frequency ground wave radar for near ocean inspection and ocean situation remote sensor is also presented. at last, we give a effective scheme to implement broad - band constant beamwidth digital beam - former

    本文的主要工作是圍繞數字波束形成技術的理論研究，內容包括：數字波束形成演算法的研究，數字波束形成天線的系統構成和實現，以及將數字波束形成演算法應用於高頻地波雷達近海監測和海態遙感，最後給出了一種寬帶恆定束寬數字波束形成器的設計方案。
  17. The spotlight mode sar provides the opportunity to collect sar data over a wide azimuth angular interval ( independent of antenna azimuth beamwidth ) with the potential for extremely fine azimuth resolution

    聚束模式合成孔徑雷達（ syntheticapertureradar ， sar ）是一種具有極高解析度的雷達系統。
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