radiation pattern

The search antenna system of the fire control radar increases the performances of fire-control radar through widening the beam broadening in elevation radiation pattern, and become to shadow antenna, and increases the high frequency amplifier.

“炮瞄雷达搜索天线系统”在原某型炮瞄雷达的基础上，通过展宽其垂直方向的波束宽度，使其成为赋型天线，并加装高放，来提高炮瞄雷达的性能。

This indicated that when the ratio between the conductive yarn diameter and separation distance was less than 1, the VSWR and radiation pattern property will be impaired with the decreasing of the weaving density.

结果表明当导电纱线的直径与间距比小于1时，天线的驻波比和方向图性能会随着导电纱线织造密度的下降而降低。

Far field radiation pattern is compared with that by closed form equation.

并与已知公式远场之场型比较近场与远场场型特性之差异.

Using reciprocity theory compute the E face and H face's radiation pattern.

在此基础上利用互易定理计算出共形微带天线E面和H面的方向图。

It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals.

在自适应天线阵的发射模式中应用自适应算法，控制发射波束的零点位置，以达到抑制干扰信号的目的，是现代雷达采用的先进技术之一。

As examples, both a multiple circumferential slotted coaxial antenna and a microstrip slot array are designed using this method to achieve shaped radiation pattern. The shaped beam is realized by adjusting the feed line that composed of stepped impedance lines.

作为应用实例，用此算法设计了串联馈电的波束赋形天线，提出了使用阶梯阻抗线对微带缝隙和同轴缝隙串联馈电以实现赋形波束设计的方法。

The distance variation of radiation pattern in the near field of an electric Hertz dipoles.

赫芝电偶极近场场型随距离之变化.

Impedance, Gain, Radiation pattern, Beam width , Radiation resistance, Antenna efficiency, Directivity and Polarization Measurements.

天线测量阻抗, 增益, 辐射模式, 梁宽,抗辐射, 天线效率, 指向性和极化测量.

The radiation pattern of seismic waves is dependent on the form of motion of the medium around the focus at the time of earthquake which is connected not only with the pre-existing stress before earthquake but also with other factors such as the geological conditions within the focal region.

地震波辐射图型取决于地震时震源介质运动的方式.它不但与震前存在的应力有关，而且依赖于震源区的地质条件等因素。

Analysis of Radiation Pattern for Airborne Double-Ridged Horn Antenna

机载脊喇叭天线辐射特性分析

Both the two-element antennas have achieved dual-polarized radiation as well as highly complementary patterns, which means they can realize polarization and pattern diversity at the same time, while the isolation between the two ports remains high.

这两种两单元天线结构在实现双极化辐射的同时，单元方向图彼此互补，即同时具有极化分集与角度分集特性，且端口隔离度较高。

The changes of diffraction pattern and the thermal stresses in absorber caused by X ray radiation were calculated.

给出因X射线辐射引入的热载荷所产生的金属吸收层衍射图形尺寸膨胀量及金属吸收层热应力的计算结果。

A simplified infrared image creation model is found for the simulation of infrared multi-targets image based on the study of the movement pattern, radiation of objects, radiation passage through the atmosphere, infrared target properties, 3-D target properties and noises simulation of multi-targets.

红外多目标图像的仿真，是在对多目标运动关系、红外景物辐射、大气传输、目标红外特性、目标三维特性及噪声仿真深入研究的基础上，抽象出简化的图像生成模型；

According to theoretical seismogram, the vertical component of displacement of P-wave or S-wave is multiplied by seismic moment, source radiation pattern and the response of the medium.

按理论地震图公式，直达P波和S波地表垂直分量位移由地震矩、震源幅射和介质响应之积组成。

Cosecant Beam Generation Program for computing Phase distribution function and Radiation pattern.

余割波束生成程序的计算相分布函数和辐射模式.

Build three-dimensional radiation pattern of the new public transport network.

构筑 立体 放射公交网架新格局.

The frequency response of radiation pattern a linear dipole antenna by Hertz dipoles field summation approximation.

分析赫芝偶极电磁场合成法计算偶极天线之辐射场型随频率之变化.

The affection of parameter variation of down lead wires and top loading wires on effective height, radiation pattern, input reactance, radiation resistor and static capacitance is discussed.

同时研究了引线及顶线的各项参数变化对天线的有效高度、增益、输入电抗、辐射电阻及静电容的影响。

High-Speed Parallel Adaptive Algorithm to Radiation Pattern Array and Its Experimental System

高速并行发射自适应抗干扰算法及实验系统

The relation between elliptical polarization with axial ratio of radiation pattern for equiangular spiral antenna and its arm length

平面等角螺线天线方向图极化椭圆轴比与臂长的关系

Taking the short pulse as an ideal delta function on time scale, we find that the radiation field pattern is just of the "pure" waveguide modes if the resonance frequency equals as integral times as radio frequency.

将短脉冲理想化为时间上的δ函数，可以发现当辐射频率正好等于用来调制电子束的射频的整数倍时，辐射模式表现为纯的波导本征模，此时辐射功率最强。

Truncation Effect Of RB Mockup On Antenna Radiation Pattern

再入体模型截短对天线辐射特性影响