• Offset paraboloid antenna has widely been utilized in small aperture antennas.

    偏置抛物面无线小口径天线得到了广泛的应用。

    youdao

  • Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.

    毫米波介质透镜天线方向性的口径天线。

    youdao

  • A system consisting of a conducting target and an ideal aperture antenna is used to illustrate the electromagnetic process.

    金属目标理想口径组成系统为例,阐明类散射问题的电磁过程

    youdao

  • Another new scheme of deception jamming detection is also investigated on the basis of dual-aperture antenna cross-track interferometric cancellation.

    空域对消技术基础上,进一步提出了跨航迹天线干涉对消检测欺骗干扰方法。

    youdao

  • In this paper, a new method of moving target detection, radial velocity estimation and relocation based on dual aperture antenna along track interferometric SAR is proposed.

    提出了一种基于孔径天线沿航迹向干涉SAR进行动目标检测测速定位方法

    youdao

  • The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.

    导出了天线方向图半功率波束宽度快速计算口径天线方向性系数增益简单表达式分析讨论了这些公式应用范围

    youdao

  • When a target is placed in the focal plane of a focused aperture antenna, the backscattered power from the target may be greatly enhanced by properly choosing the aperture distribution.

    目标处于聚焦天线平面上时,通过选择口径分布提高目标后向散射功率

    youdao

  • Offset paraboloid antenna has widely been utilized in small aperture antennas. The principles of it's formation, characteristics, machine - dimension and design calculation were introduced.

    抛物面无线小口径天线得到了广泛应用。本文偏置抛物面形成原理特性机械尺寸设计计算等作一简略介绍。

    youdao

  • While most conventional airborne radars rely on some form of mechanically scanned antenna to transmit and receive signals, active electronically scanned array (AESA) sensors employ a fixed aperture.

    多数常规机载雷达依靠机械扫描天线收发信号的时候,有源电子扫描阵列(AESA)传感器使用固定孔径

    youdao

  • Based on the concept of aperture synthesis sparse antenna, the imaging radar on the stratosphere airship for the earth observation is investigated.

    基于稀疏综合孔径天线概念,研究了平流层飞艇载地观测成像雷达系统中的重要问题。

    youdao

  • The large Hoop Truss Deployable Antenna (HTDA) in the space, with large aperture, light mass, big flexible character and so on, is type flexible multi-contact system.

    空间大型环形可展天线具有展开口径大、质量柔性特点一个典型的多结构

    youdao

  • Azimuth resolution of meter wave radar can be improved by using super resolution spectrum estimation methods without extending the antenna aperture.

    分辨估计技术可以增大天线口径情况下提高雷达方位角分辨力

    youdao

  • The bit error rate of an atmospheric laser communication system is affected by not only vibration amplitude but also the aperture of optical transmitting antenna.

    大气激光通信系统误码率不仅受到振动时振幅大小影响,而且受到光学发射天线孔径影响。

    youdao

  • Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.

    控阵雷达通过方式控制天线孔径面上辐射单元相位变化实现波束快速扫描,使具有灵活、变化快速、多功能等优点

    youdao

  • The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.

    该文从能量守恒观点出发,讨论了副面为椭圆天线口径分布导出了计算方向简单表达式

    youdao

  • This provides theoretical basis for reasonably selecting aperture of optical transmitting antenna.

    合理选择光学发射天线孔径提供了理论依据

    youdao

  • Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields FDTD. A method to calculate triangular lattice array is put forward.

    有源结构波导口径相控天线例,透明技术辅助FDTD结合起来,并提出一种分析三角形栅格阵列方法

    youdao

  • A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.

    研究一种利用场测量技术全息成像相控天线口径方法。

    youdao

  • Next the electromagnetic field on aperture was found, and then proceeded to sum up five common features of aperture field of parabolic antenna.

    接着求出口径电磁场进而归纳抛物面天线口径四大共同特征

    youdao

  • In array signal processing, the fourth-order cumulant can be applied to extend array virtually and enlarge aperture of array antenna, but computation load of algorithm would also increase.

    阵列信号处理中,利用四阶累积量可以使阵列虚拟扩展,增大了天线孔径同时也增加了算法的计算量。

    youdao

  • The airborne SAR (Synthesis Aperture Radar) USES a stabilized platform to make the antenna stable in the inertial place and trace the velocity to the ground.

    机载合成孔径雷达使用陀螺稳定平台使天线惯性空间保持稳定跟踪方向。

    youdao

  • This paper presents an idea for the average brightness temperature of antenna aperture and its expression for a lossless antenna with matched and unmatched noise sources.

    本文提出天线面平均亮度概念,给出了天线终端接匹配噪声源和非匹配噪声源时天线口面平均亮温度表达式

    youdao

  • This paper makes research on parabolic cylindrical antenna with feed for linear arrays, generates aperture-field analysis methods and simulation results of parabolic cylinder and feed.

    本文对一种直线馈电抛物柱面天线进行研究,并给出了抛物柱面馈源口径分析方法以及仿真结果

    youdao

  • For the focusing current distribution over the antenna aperture, the authors have got the field distribution diagrams of the focus and around it.

    对于天线面上聚焦电流分布,求得了聚焦点及其周围附近分布。

    youdao

  • The adjustment method of feed aperture position in radar antenna and location mode of the feed aperture are analysed by taking two kinds of radar antenna as example in this paper.

    雷达天线,对天线位置调整方法口面的定位方式了分析,提出设计与制造需要注意有关问题。

    youdao

  • So, a larger aperture can be composed, and we obtain a good purpose of increasing the length of the antenna, and we obtain a better Radar image on the orientation.

    这样,利用多普勒移现象“合成”一个孔径,达到增加天线长度”的效果,提高雷达图像方位向分辨率

    youdao

  • The third content of the paper is the method which implements the low side-lobe phased array antenna with different aperture distribution.

    文中第三个研究内容不同口径分布实现相控天线方向图方法

    youdao

  • Angular resolution of a real aperture radar is limited by the beam width of the radar antenna.

    一般综合孔径雷达方位分辨率天线波束宽度的限制。

    youdao

  • To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.

    提高辐射效率扩展工作带宽,对一种口径耦合馈电多层介质高温超导微带天线进行了设计。

    youdao

  • To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.

    提高辐射效率扩展工作带宽,对一种口径耦合馈电多层介质高温超导微带天线进行了设计。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定