beam-former 中文意思是什麼

beam-former 解釋
波束形成器
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • former : n 1 構成者，創造者。2 【機械工程】模型，樣板，成形[型]設備。3 【無線電】線圈架。4 〈英國〉公學及...
  1. This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified

    本文通過設計製造兩種不同截面形式的3根蜂窩梁（ 2根圓孔、 1根六邊形孔） ，進行了兩點集中荷載下的試驗，取得了較為翔實可靠的試驗數據，通過整理與分析，對兩種蜂窩梁的整體受力性能和承載力作出評價，得出圓孔蜂窩梁的屈服荷載和極限承載力都高於六邊形孔蜂窩梁的結論。
  2. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有試驗的經驗，本文設計和完成了對18根超高強混凝土無腹筋梁（包括9根簡支梁和9根約束梁）在集中荷載下抗剪強度的試驗，觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄，獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  3. In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam

    以前的表面熱透鏡裝置中，多使用高斯光束作為激勵光，但由於高功率激光器一般為多模輸出，要獲得嚴格的基模高斯光束比較困難，而平頂光束可以通過在激光器前加一定大小的光闌實現，降低了對激光光束質量的要求，更有利於實際的測量。
  4. By an example, the warping theory of the thin - walled beam is compared with and distinguished from gbt, while the contribution and the defect of the former is presented

    本文通過算例對廣義梁理論和薄壁桿件翹曲理論進行了比較研究，並指出了後者的貢獻和局限性。
  5. The constant beam - width beam - former and wideband doa estimation algorithms are realized in the dsp hardware systems

    完成了恆定束寬波束形成以及寬帶源方位估計演算法在dsp硬體系統中的實現。
  6. 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。
  7. Aiming at the practical applications on engineering, the dissertation studies the theories and application technologies of constant beam - width beam - former and doa estimation for wideband signals. the main results and achievements are summarized as follows : 1

    論文從實際工程應用的角度出發，系統研究了恆定束寬波束形成和寬帶高分辨陣列信號處理的相關理論和實現技術，主要研究內容包括： 1
  8. 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。
  9. 2. the two thoughts of designing constant beam - width beam - former are studied, and the least square method and spatial resample method to calculate the weighting coefficients of the array elements are analyzed and compared, and the constant beam - width beam - former is designed, both in frequency and time domains

    研究了寬帶恆定束寬波束形成器的兩種設計思想，並重點分析了計算陣元權系數的最小二乘法和空間重采樣法，比較了二者的性能，分析了恆定束寬波束形成器的頻域和時域實現原理。
  10. The analysis of wideband signals will improve the resolution capability and accuracy of estimation, for more frequency components can be synthetically used. constant beam - width beam - former and direction of arrival of sources for wideband signals are the important parts of wideband array signal processing

    高分辨演算法最初都是在窄帶信號的假設條件下提出的，由於寬帶信號含有更豐富的信息，有利於目標檢測、參量估計和目標特徵提取，因此，對于寬帶信號處理的研究越來越多。
  11. Laser beam can be coupled to y - fiber, plastic fiber and glass fiber which with big diameters ( l - 2mm ) much easier than quasi monomode fiber whose diameter is only several microns. the former fibers can transmit much more beam illumination, but their light fields are not as even as the quasi monomode fiber ' s

    分析了使用傳光面直徑較大的y型光纖、塑料光纖和玻璃光纖與芯徑較小的準單模光纖所具有的不同特點，簡要討論了光纖的光場分佈、耦合、偏振以及光纖的選擇等問題。
  12. The beam former of array signal processing is a space filter

    陣列信號處理的波束形成器實質上是一種空域濾波器。
  13. The beam former can enhance the signal in desirable direction and suppress the interference in undesirable direction

    波束形成器可以增強期望方向上的信號，並且抑制噪聲和來自其他方向上的干擾。
  14. If the broadband signal is dealt with the narrow beam former, the serious disorder of the signal will be occurred

    如果簡單的用窄帶波束形成器處理寬帶信號，會使信號產生嚴重的畸變，這就提出了寬帶波束形成的問題。
  15. Then a subarray beam former was designed using fpga. and the performance of the subarray beam former was simulated by the development software

    （ 2 ）子陣級padbf實現方案討論：用fpga實現子陣級padbf並進行了模擬試驗。
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