• 自行研制复合阵列天线具有增益方向性图尖锐抗干扰能力特点

    The composite arrayed antenna has the characteristics of high gain, sharp directionality and strong anti disturbance ability.

    youdao

  • 实验表明,多层前传神经网络模型可以有效天线方向性图进行建模,可用于天线计算机辅助设计(CAD) 。

    The experiments show that the multi_layer feed forward neural networks can model the radiation patterns of the antennas efficiently and are suitable for the CAD of antennas.

    youdao

  • 结果包括阵列单元输入阻抗空间辐射效率方向性系数辐射方向等。

    The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.

    youdao

  • 导出了天线方向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

    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.

    youdao

  • 采用口径绕射积分求取天线近场场方向绘制了波束宽度、方向性大副瓣电平三个关键参数随场点距离的关系曲线。

    Three key parameters, namely beamwidth, directivity and maximum sidelobe level, are drawn versus the distance between field points and the center of aperture.

    youdao

  • 详细分析了由子构成DBF方向性函数特性,给出了方向设计方法讨论了产生条件

    This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed.

    youdao

  • 方向性ESPI条纹相位一个重要特征对于指导滤波具有重要作用

    Directivity is a very important characteristic of ESPI fringe patterns and phase patterns, and it plays a very important role in directing the filtering process.

    youdao

  • 恢复处理中,细节信号方向性随机的。

    In image restoration, the directions of the details are random.

    youdao

  • 采用遗传算法优化脉冲阵列天线方向方向性系数

    The sum and difference patterns as well as the directivity of the monopulse antenna arrays are optimized based on genetic algorithms (GA).

    youdao

  • 重点研究的预处理增强算法二值算法根据指纹方向性信息求出方向利用方向滤波器对原像进行滤波去噪。

    Enhancement and binarization algorithm are the emphases among them. According to fingerprint feature, orientation map is calculated, and image is denoised by orientation filters.

    youdao

  • 重点研究的预处理增强算法二值算法根据指纹方向性信息求出方向利用方向滤波器对原像进行滤波去噪。

    Enhancement and binarization algorithm are the emphases among them. According to fingerprint feature, orientation map is calculated, and image is denoised by orientation filters.

    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