beamwidth

beamwidth

1. He S H,Fu Y S.A hybrid method for analysing quadruple-ridged horns with wide-bandwidth,dual polarization and constant beamwidth[J].Chinese Journal of Radio Science,2002,17(2):160-165.

[1]何山红,傅永生.分析宽频带、双极化、恒束宽四脊喇叭的混合方法[J].电波科学学报,2002,17(2):160-165.

2. Design and Implementation of Digital Beamformer for Wideband Constant Beamwidth

一种宽带恒定束宽数字波束形成器的设计

3. A Type of Circular Polarization Microstrip Patch Antenna with Broadband and Wide Beamwidth Used in Conformal Phased Array

一种用于共形相控阵的宽频带宽波束双圆极化微带贴片天线

4. A Relatively Fast Method of Constant Beamwidth Beamformer for Calculating FIR Filter with Time Variety

一种用时变FIR滤波器实现宽带恒定束宽波束形成器的方法

5. Main (major) lobe beamwidth

主瓣宽度

6. Main (major) lobe zero beamwidth

主瓣零点宽度

7. The implementation scheme and design method are introduced for the time domain wideband beamforming with the constant beamwidth using vector arrays.

介绍了在时域矢量阵宽带恒定束宽波束形成的实现原理和设计方法，并以均匀等间距线阵为例，给出了时域恒定束宽算法的实现流程。

8. Compared to traditional microstrip antenna, the presented antenna possesses broader beamwidth, low sidelobe and broad circu...

传统的微带天线通常具有低剖面、安装容易、重量轻以及与承载的母体在外形上拥有一致性等优点。

9. low sidelobe beamwidth

低副瓣

10. The complex weighting vectors at other frequencies satisfying the request of wideband constant beamwidth can be deduced from the one at the reference frequency.

其它频率点上满足宽带恒定束宽要求的复权向量可以根据参考频率上的复数权值通过折算求得。

11. The effect of antenna parameters on the beamwidth and side lobe level is analyzed.

分析了天线参数对主瓣宽度和副瓣电平的影响；

12. A hybrid method for analysing quadruple-ridged horns with wide-bandwidth, dual polarization and constant beamwidth

分析宽频带、双极化、恒束宽四脊喇叭的混合方法

13. Half Power Beamwidth

半功率射束宽度

14. half power beamwidth (HPBW)

半功率束宽

15. Half-power beamwidth (3 db beamwidth)

半功率点波瓣宽度

16. Therefore, through proper design of the hybrid antenna system, the beamscanning can reach hundreds of beamwidth and the elements of feed array are much less than the regular feed array.

因而得出结论：通过合理的分析与设计可以使混合天线的波束扫描范围达到数百个波束宽度，而所采用的阵列的单元数量较常规阵列天线少得多。

17. This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array.

围绕天线阵增益、束宽度、向和副瓣电平等指标，分析了幅相误差、元失效对稀疏阵列天线性能的影响。

18. The antenna diagram approximation model used in our investigations considers constant gain within the full beamwidth of the main beam.

在研究当中，天线图解的近似模型在主要波束的饱和波束宽度范围内，可认为其增益是固定的。

19. vertical beamwidth

垂直面波束宽度

20. High resolution bearing estimation for coherent wide-band sources based on outputs of constant beamwidth beams

基于恒定束宽波束输出的宽带相干源高分辨测向

21. A broad-band constant beamwidth method for circular multi-element array

多基元宽频带恒定束宽圆弧形声基阵

22. antenna half-power beamwidth

天线半功率波束宽度

23. antenna beamwidth

天线波束宽度

24. A POWER ARRAY WITH BROADBAND CONSTANT BEAMWIDTH

宽带恒佬束宽的乘幂阵

25. broad-band constant beamwidth sonar

宽带恒定束宽声纳

26. Keywords Wideband constant beamwidth beamforming;distortionless;moving targets;radiated noise;low sidelobe;robust beamforming;optimum design;adaptive beamforming;experiment test;

宽带恒定束宽波束形成;无失真;运动目标;辐射噪声;低旁瓣;稳健的波束形成;优化设计;自适应波束形成;实验验证;

27. Wideband beamforming with constant beamwidth is one of the key problems in array signal processing.

宽带恒定束宽波束形成器是基阵信号处理中的难点。

28. Exploration of Easy Implementation of Constant Beamwidth and Constant Power for Underwater Broadband Sound Signal Transmitter

宽带水声信号恒定束宽和恒定功率发射技术研究

29. broad beamwidth

宽波束

30. Wide beamwidth antenna

宽波束天线

31. broadband and wide beamwidth

宽频带宽波束

32. A new method of broadband constant beamwidth beamforming for arbitrary geometry arrays is proposed.

对于任意几何结构基阵，提出了一种新的宽带恒定束宽设计方法。

33. In the further study on the vector hydrophones,it is necessary to investigate the constant beamwidth beamforming using vector arrays.

对于海底探测和分类问题的声呐系统来说,一般要求声呐系统具备在较宽频带内形成恒定束宽波束的能力。

34. displayed beamwidth

射束宽度显示

35. horizontal beamwidth

射束水平宽度

36. With the aid of a computer, curves of beamwidth and side lobe versus the antenna parameters are plotted.

并借助计算机绘出了主瓣宽度和副瓣电平与天线主要参数的关系曲线；

37. constant beamwidth

恒定束宽

38. A sample numerical design method for constant beamwidth beamformer is given.This method is easy to implement and has no restriction on array geometry and sensor patterns;

提出了一种简单、易于实现的恒定束宽波束形成器设计方法，该方法对阵形和阵元指向性没有任何限制；

39. A nesting line array can maintain the constant beamwidth over a very wide frequency range (N octaves, N = 7).

摘要线性嵌套阵可以很好地在很宽的频率（N个倍频程，N=7）上实现恒定束宽。

40. Several methods of sharp a narrow beamwidth is presented and used to form a narrow directivity.

文章还提出了多种矢量水听器指向性锐化的方法,通过这些方法在低频形成恒定束宽窄指向性。

41. Steering-invariant constant beamwidth beamforming

方向不变恒定束宽

42. Beamwidth Modified Model for Calculation of Reflected Level of Quiet Zone in Anechoic Chamber

暗室静区反射电平计算中的波束修正模型

43. effective beamwidth

有效波束宽度

44. In this paper, a method based on uniform sidelobe is given.And the frequency response needed to realize constant beamwidth for subband components of the signal is computed and filter with FIR filters.

本文提出一种基于均匀一致性旁瓣级的设计方法,在求出宽带信号实现恒定束宽所须的频率响应后,通过一组FIR滤波器来拟合该频率响应。

45. 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.

由于对天线波束指向的调整在很小的范围内，故对天线的副瓣及波瓣宽度指标的影响可忽略，从而不会影响到雷达系统的基他性能。

46. 8.Currently there are two typical spot-beam models with equal beamwidth and equal spotarea.

目前等波束宽度模型和等点波束面积模型是两种常用的点波束模型。

47. To a first approximation, the bandwidth of a phase-scanning antenna in % of f0 is equal to the normal beamwidth in degrees.

相扫要比频扫昂贵，但是比时滞方法便宜（在费用、重量和功率损耗上）。

48. The minimum requied number of controlled elements in a square array with electronic beam scanning over specified sector for a guaranteed upper limit on beamwidth without grating lobes is determined.

确定了没有栅状波瓣时在一定波束宽度限制的条件下对特定区间进行电扫描的矩形阵列所需的最少可控制单元的数目。

49. Implementation of N-Octaves Constant Beamwidth for Line Array

线列阵多倍频程宽频带恒定束宽的实现

50. Digital implementation of constant beamwidth for line array over a very wide frequency range

线列阵甚宽频带恒定束宽的数字实现方法

51. The closed-form expressions for the efficiency index, grating lobe level, beamwidth and clean region width are also given.As a result, a simple design method of optimum thinning arrays with...

若所有阵元均无方向性且等加权,则具有平坦栅瓣包络的阵列应是指数间隔排列的阔。

52. A steering-invariant constant beamwidth beamforming algorithm is proposed.

该文提出了方向不变恒定束宽波束形成算法。

53. beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

这个信标器的波束宽度有限，如果弹体波束角超过了它，信号就会发生严重的衰减。

54. The more the integrated elements are and the larger the adjcent elements spacing is, the narrower the directional pattern beamwidth is.

阵列单元越多，相邻单元间距越大，方向图波束越窄。

55. In the further study on the vector hydrophones, it is necessary to investigate the constant beamwidth beamforming using vector arrays.

随着对矢量水听器认识的深入，开展基于矢量阵的恒定束宽波束形成器的研究越发变得必要。