• 结果是,离无线宽带辐射最近小树叶子上下表皮出现金属光泽并且开始枯萎

    The results revealed that in trees closest to the Wi-Fi source the upper and lower epidermis (skin) of the leaves developed a metallic luster and began to die off.

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  • 介绍一种新型采用扇形微带馈源的宽带缝隙天线,给出了反射损失曲线辐射方向图。

    A new broadband slot antenna with a fan-shaped microstrip feed is presented, and the return loss curve and radiation patterns of the antenna is simulated in this paper.

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  • 通过光纤放大自发辐射特性LD驱动电路分析,最终研制出用于光纤光栅传感系统宽带光源

    We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.

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  • 研制一种功率宽带模式转换结构、导电线tem喇叭馈电结构抛物反射面构成的天线,用辐射高功率纳秒电磁脉冲

    An antenna was developed to radiate high power, sub nanosecond EM pulse, which consists of a high power wideband mode convertor, a wire frame TEM horn feedback set and a parabolic reflector.

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  • 船舶辐射噪声功率连续宽带离散窄带线谱组成

    The spectrum of radiated noise from ships consists of a continuous broadband spectrum and a discrete narrow-band line-spectrum.

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  • 研究功率电磁脉冲测量技术,提出一种应用标准增益喇叭天线宽带数字示波器进行电磁脉冲辐射电场测量方法

    In order to study the measurement technique of high power electromagnetic pulse, standard gain horn and wideband digital oscilloscope are adopted to measure the electromagnetic pulse waveform.

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  • 介绍一种宽带透射式红外辐射温度计

    A wideband transmissive infrared radiation thermometer is introduced.

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  • 小型宽带天线(103)包括作为辐射元件电力供应单元 之间进行阻抗匹配的阻抗匹配单元的线导体17)。

    The small-size wide-band antenna (103) further includes a stub conductor (17) as an impedance matching unit for matching the impedance between the radiation element and the power supply means.

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  • 以及第二辐射主体耦合回路形成第二谐振回路提供宽带天线一第二谐振频率

    The radiation bodies respectively form a number of resonance loops with the coupling loop for providing a number of resonance frequencies of the broadband antenna.

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  • 毫米波辐射就是工作毫米波波段宽带无线电接收机

    The Millimeter wave radiometer, which is a kind of wideband radio receivers, works on the millimeter wave.

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  • 宽带线性调频信号方位角估计以及类信号辐射跟踪问题进行了研究

    In this paper, the problem of DOA estimation and single station localization and tracking of wideband chirp signals emitter researched.

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  • 低频宽带合成孔径雷达辐射定标过程中定标体的散射特性表现为低频谐振散射特性。

    During the radiometric calibration of the low frequency UWB SAR system, the scattering model of the calibrators should be regarded as the low frequency resonance scattering.

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  • 分析L波段放大自发辐射(ase)产生原理基础设计一种新颖双级结构掺光纤ase宽带光源,该光源可两个端口分别输出高功率的C波段L波段的ASE

    A novel two-stage Er-doped ase broadband light source with two output bands, i. e. C-band and L-band was designed and demonstrated based on the analysis of the principle of the L-band ase spectrum.

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  • 我国气溶胶光学厚度AOD太阳辐射长期以来分布变化特征以及如何宽带太阳辐射反演气溶胶光学厚度本文的研究重点。

    Variation and distribution characteristics of aerosol optical depth (AOD) and solar radiation in China, and the AOD retrieval method from broadband solar radiation were main goals in this paper.

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  • 由于天线方向宽带内的畸变通常比较因此保持辐射方向图的稳定性也是宽带天线设计一个难点

    The radiation pattern could be distorted seriously in wide band, thus how to keep the radiation pattern stable is a challenge in UWB antenna design.

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  • 微波辐射天线提供宽带噪声功率信号

    The signal given by the antenna of spaceborne microwave radiometer is a wide band noise power signal.

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  • 微波辐射天线提供宽带噪声功率信号

    The signal given by the antenna of spaceborne microwave radiometer is a wide band noise power signal.

    youdao

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