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- The radiation characteristics of both discrete-element line arrays and continuous line arrays are introduced. 摘要介绍了离散扬声器阵列和连续扬声器阵列的基本辐射特性。
- Then, we investigate the dependence of radiation characteristics on the sizes and locations of air holes around the microcavity. 接著藉由调整微共振腔周围空气洞的大小或位置探讨其和辐射特性之间的关系。
- The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging. 实验结果表明,在不同组合和激励条件下,圆弧阵具有声波测并的单极子、偶极子和四极子声源的辐射特征。
- In this paper, the horizontal radiation characteristics of dipole and loop antennas adjaeent to a rectangular cylinder reflector are calculated by the application of GTD. 本文用几何绕射理论分析计算了矩形反射柱体近旁偶极子和双环天线的水平辐射特性。
- Finally, the control laws of the infrared radiation characteristics of the different aircraft components on skin temperature and emissivity were obtained. 最后,改变飞行器各主要部件的表面温度和发射率,获得了对飞行器水平方向上总的红外辐射特征的影响和控制规律。
- Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect. 对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
- The average power pattern of the Side-Fed Offset Cassegrain(SFOC) dual reflector antenna is analyzed,and the effect of the random surface error on radiation characteristics of the antenna is addressed. 以侧馈偏置卡塞格伦双反射面天线为对象;通过数值计算方法分析了该天线的平均功率方向图;研究了反射面随机表面误差对天线辐射特性的影响.
- In order to control sound radiation from a baffle in sonar equipment excited by vibration and noise from a ship, the baffle was modeled as a simply supported rectangular thin plate and its radiation characteristics were analytically investigated. 摘要为抑制声呐设备中障板受舰船振动、噪声激励而产生的声辐射,将障板转化成简支薄板模型,分析其在谐波激励下的声辐射。
- It has more flexibility to design this dual-wavelength coupled-microcavity device since the radiation characteristics of each microcavity can be individually modified by the neighboring holes. 耦合微共振腔能够各自调整周围空气洞的参数去影响本身的辐射特性,进而有更大之选择性去设计双波长元件。
- Each mode of a DRA has a unique internal and associated external field distribution.Therefore, different radiation characteristics can be obtained by exciting different modes of a DRA. 每一个DRA拥有一个唯一的内部场和相应的外部场分布,因此通过激励DRA的不同模式可以得到不同的辐射特性。
- According to the radiation characteristic of plasma,the radiation spectra of the APGD plasma have been acquired by Sp-750i grating spectrograph. 根据等离子体具有辐射特性,用光栅单色仪对沿面APGD光辐射特性进行测试,获其辐射光谱;
- The radiating characteristics of the loaded pulse ultra-broadband monopole antenna are full discussed in the paper. 在设计过程中采用了时域有限差分法进行计算。全面分析了加载脉冲单阵子宽带天线的许多辐射特性。
- Firstly, the impedance and radiation characteristic of a microstrip-fed rectangular-slot antenna are analyzed and the obtained numerical results accord with those in literatures. 首先对微带馈电矩形缝隙天线阻抗特性和辐射特性进行了分析,所得数值结果与有关文献结果一致。
- Electromagnetic scattering and radiation characteristic of large conductor object with arbitrary composition are analysed by fast multipole method (FMM). 摘要用快速多极算法分析具有任意线、面、体组合的电大尺寸理想导体目标的电磁散射和辐射特性。
- The backfire characteristics of a monofilar helix and the radiation characteristic of the paraboloidal reflector antenna with a backfire helical feed operating at C band are studied. 研究了C波段单线背射螺旋的背射特性及其作为抛物面馈源的辐射特性。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Qualitatively analyze the existing problem of the antenna height scanning for the EUT with radiating characteristics(single lobe and multi-lobes)in the measurement method. 对具有不同辐射特性(单波瓣和多波瓣)的受试设备天线高度扫描问题进行了定性分析。
- Radiation characteristics of suspend resistor 微桥电阻的辐射特性研究
- Radiation reached unheard-of levels. 辐射作用已达到前所未有的程度。
- aerodynamic radiation characteristics 气动辐射特性