该文提出了一种基于全小区覆盖的宽波束形成方法。
In this paper, a wide beamforming method based on all-cell coverage is proposed.
设计了一种宽波束、宽带宽的右旋圆极化卫星天线。
A satellite antenna characterized by wide-beam, wide-bandwidth and microwave right-hand-circular polarization was designed.
在天线波束赋形部分,介绍了窄波束零陷和宽波束零陷。
In the antenna shaped-beam section, introduced narrow beam nulling and wide beam nulling.
本文给出了基于恒定束宽波束输出的宽带相干源高分辨测向方法。
A high resolution DOA estimation method for coherent wide band sources based on outputs of constant beamwidth beams is proposed in this paper.
水声信号的宽波束发射技术是水声探测、通讯中重要的关键技术之一。
The broad beamwidth transducer is one of the most important key technologies of underwater detecting and communication system.
本文提出了在蝶形缝隙天线后附加反射结构来实现宽波束单向辐射的方法。
A method to realize wide beam in ultra wide band by introducing a reflect structure is proposed in this paper.
该文介绍了一种在E面和H面都具有宽波束特性的U形贴片相控阵天线单元。
U-shape patch element for phased array antennas with wide-beam both in E-and H-planes is presented in this paper.
首先,文中阐述了车载双频段、共口径、宽波束圆极化微带天线的设计要求。
Firstly, the requirements of the parameter for the dual-band, common-caliber, wide beam-width and circular polarization antennas are presented.
该文介绍了一种在E面和H面都具有宽波束特性的U形贴片相控阵天线单元。
A U-shape patch element for phased array antennas with wide-beam both in E-and H-planes is presented in this paper.
本文介绍一种用于飞行器上的毫米波宽波束天线的原理、设计方法和实验结果。
In this paper, principle, design and test result of MMW wide beam antenna on flight vehicle is introduced.
完成了恒定束宽波束形成以及宽带源方位估计算法在DSP硬件系统中的实现。
The constant beam-width beam-former and wideband DOA estimation algorithms are realized in the DSP hardware systems.
为了缩短雷达的探测周期,相控阵天气雷达必须采用宽波束发射,多波束接收。
Therefore, phased array weather radar is to form a wider transmitted lobe and receive backward radar signal using multiple narrower beams in order to save radar scanning time.
本文对微带天线双频、圆极化、高增益、宽频带和宽波束技术作了一定的研究。
In this paper, technologies of dual-band, circular polarization, high gain, broadband and wide-beam have been studied.
并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟踪带通滤波器的设计。
Based on the characteristic of the Wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.
恒定束宽波束域噪声是空间相关的非白噪声,这给宽带波束域高分辨方位估计方法的性能带来影响。
The noise in constant beam-width beam space is spatial correlative and color (non white), which affects the performance of wide-band-beam-space high resolution DOA (Direction of Arrival) estimator.
在脉冲超宽带穿墙检测与定位当中,要求天线在水平面内具有宽波束以达到对房屋内部区域的有效覆盖;
Wide beam width in horizon plane would be expected in antenna design for IR-UWB through-the-wall detection to cover most area of the room.
根据对约束条件的不同控制,利用这种算法可实现波束扫描,形成宽波束、实现干扰对消或旁瓣对消等。
According to the different constraints it can practise beam scanning, Widebeam forming interference canceling, sidelobe canceling and soon.
双波束输出:它拥有世界上最好的可选择的宽波束和窄波束探测系统,你可以把图像单独或一起显示在屏幕上。
Dual beam PLUS: Get the best of both worlds, with selectable narrow and wide beams you can view individually, or melded into one display.
利用计算机仿真和水池实验,深入分析了阵列模型失配对基于理想阵列模型设计的时域恒定束宽波束形成器性能的影响。
The effects of array mismatch errors on time domain WCBB based on ideal array model is thoroughly studied via computer simulations and water tank experiments.
本文结合工程的实际需求,对宽带恒定束宽波束形成的算法进行研究,并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
实验圆阵的实测阵列流形和理论阵列流形存在较大误差,这表明该文采用的可适用于任意结构阵列的宽带恒定束宽波束形成方法具有良好的宽容性。
The big difference between measured and theoretic manifold of the circular array showed that the broadband constant beamwidth beamforming method used in the paper has good tolerance.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点,因此该换能器同时兼有宽波束和高发射响应的优点。
Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
文章提出来用TMS320F 206及IMSA100为主要芯片,构成多波束宽恒定束宽波束形成器,可实现实时、高速、高性能的多波束宽带恒定束宽波束形成,并给出了具体设计方案。
In this paper, a multi-beam broadband constant beamwidth beam former system is proposed using TMS320F206 and IMSA100 as main chips to realize the beam forming procedure in real time with high speed.
本文给出了一种宽带恒定束宽数字波束形成器的实现方案,计算机仿真结果表明了该方案的有效性。
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.
采用单相位中心多波束(SPCMB)技术是实现高分辨率宽测绘带合成孔径雷达系统的一种技术途径。
Single Phase Center Multiple Beams (SPCMB) technique is one of solutions to implement high resolution wide swath spaceborne synthetic aperture radar systems.
为了实现星载双站SAR宽测绘带成像,提出了利用俯仰向多个接收波束、将数字波束形成技术与星载双站SAR成像算法相结合的成像方法。
To obtain bistatic space-borne SAR wide swath images, a method is proposed based on multiple elevation receivers, which combines digital beamforming technology and the bistatic SAR imaging algorithm.
它具有扫描角度宽,便于波束成形,结构紧凑、价格便宜便于大量生产等优点,所以在军事上和民用上有着广泛的应用前景。
It has some important advantages such as wide Angle scanning, beam shaping, compact structure and low cost. These advantages make them very well suited to a number of military or civil applications.
它具有扫描角度宽,便于波束成形,结构紧凑、价格便宜便于大量生产等优点,所以在军事上和民用上有着广泛的应用前景。
It has some important advantages such as wide Angle scanning, beam shaping, compact structure and low cost. These advantages make them very well suited to a number of military or civil applications.
应用推荐