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Electrical characteristics and radiation characteristics of papery substrate small loop antenna were calculated and simulated.

以UHF(860~960 MHz)频段的RFID标签天线设计为背景，对以纸质基材为天线衬底的小环天线的阻抗特性和辐射特性进行了理论计算和仿真。

In this thesis, FDTD method and the far field integration method are introduced and used in study of radiation characteristics of the dielectric parallelly loaded dipole antenna for pulse radiation.

本文用FDTD方法研究了脉冲天线在并联加载介质块后的辐射特性，并在共形网格算法的改进上做了一些探索。

The male prosopon body is tall and slender,is smaller than the female prosopon,0.6-3.0mm,the antenna growth is approximately good,reads beaded,the garnet,has the little white wax powder.

雄成虫体细长，比雌成虫小，约0.6—3.0mm，触角发育良好，念珠状，暗红色，有少许白色蜡粉。

The female prosopon body oval,body long 2.3-3.5mm,antenna 7,the body by the white cotton and kapok shape wax silk,many insect\'s wax silk often is fused densely in together,forms the cotton and kapok to be spherical,after the dewaxing the insect body becomes the purple red.

雌成虫体卵形，体长2.3—3.5mm，触角7节，体密被白色棉状蜡丝，多个虫的蜡丝常融合在一起，形成棉球状，去蜡后虫体成紫红色。

In order to investigate antenna with complex structure efficiently, the combination of alternating-direction-implicit and pseudospectral time-domain method is used.

为了对复杂结构的天线进行有效分析，采用了变换方向隐式的伪谱时域方法，通过分析时间分裂步原理，将三维麦克斯韦方程组降阶为三组一维表达式，用于ADI-PSTD的计算。

In order to investigate antenna with complex structure efficiently, the combination of alternating-direction-implicit and pseudospectral time-domain method is used. By analyzing the time-step splitting principle, the ADI-PSTD method is therefore simplified.

摘 要：为了对复杂结构的天线进行有效分析，采用了变换方向隐式的伪谱时域方法，通过分析时间分裂步原理，将三维麦克斯韦方程组降阶为三组一维表达式，用于ADI-PSTD的计算。

Composed of puddled iron, the Eiffel Tower is 1,063 feet (325 m) tall, including a 79-foot antenna, the height of an 81-story building.

由钢铁构成，艾菲尔铁塔是一千○六十三英尺（ 325米）高，其中包括79英尺的天线，有81层大楼那么高。

Composed of puddled iron, the Eiffel Tower is 1,063 feet (325 m) tall, including a 79-foot antenna, the height of an 81-story building.

埃菲尔塔是由搅炼熟铁制成的，总高达1063英尺（325m ），相当于一座81层建筑的高度，其中还有一个79英尺的天线。

Composed of puddled iron, the Eiffel Tower is 1,063 feet (325 m) tall, including a 79-foot antenna, the height of an 81-story building.

因此它有其特有的意义。

For the demand of low orbit satellite communication system requiring, designs the quadrifilar helix antenna was designed.

根据低轨道小卫星通信系统对天线的要求，文章对四臂螺旋天线进行研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。