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【期刊论文】TIME-DOMAIN RADIATION CHARACTERISTICS OF V-DIPOLE ARRAYS
王均宏, Wang Junhong
JOURNAL OF ELECTRONICS Vol. 10 No.4 Oct. 1993,-0001,():
-1年11月30日
The time-domain radiation characterlatics of a three V-dipole array have been studied by direet time-domain method. Some valuable results are obtained.
V-dipole, Array, Radiation characteristic, Time stepping approach
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【期刊论文】INTEGRATED BROADBAND POWER AMPLIFIER/LOW-NOISE AMPLIFIER SWITCH FOR TIME DIVISION DIPLEXER
王均宏, Tze Kiu Lee, Wing Shing Chan, and Yun Ming Siu
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS/Vol. 36, No.2, January 20 2003,-0001,():
-1年11月30日
When the transmit BJT power amplifier is connected to the receive BJT low-noise amplifier, a switch can be realized. Since the frequency-dependant quarter-wavelength transmission line normally used in low-cost PIN diode switches has been eliminated, the bandwidth is increased.
RF switch, power amplifier, low noise amplifier
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王均宏, Jun Hong Wang, Member, IEEE
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 11, NO.8, SEPTEMBER 2001,-0001,():
-1年11月30日
A new kind of leaky coaxial cable composed of an axially-slotted line covered with periodic metallic patches is proposed. The basic cable sets up a surface wave and does not radiate itself, but excites the patch apertures into radiation. The direction of the radiation field can be changed by adjusting the size and period of the patches according to the environmental application. A combined method that involves FDTD iteration and integration of the equivalent surface magnetic current is introduced in order to determine the radiation field accurately.
Dyadic Green', s function,, FDTD method,, leaky coaxial cable.,
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王均宏
电子学报,1999,27(9):5~11,-0001,():
-1年11月30日
完全匹配层是近年来迅速发展起来的一种非常有效的吸收边界。本文进一步将非分裂完全匹配层技术扩展到有耗媒质,并将它与时域有限差分法一起用于研究有耗媒质中的目标探测问题。文中具体讨论了计算模型、天线加载以及完全匹配层媒质参数的选取;详细分析了收发天线以及收发天线与有耗媒质之间的相互耦合关系。最后给出了有耗媒质中存在空洞、金属管等散射体时,天线在媒质表面扫描所得的波形图。本文中的方法和模型更接近实际,可用于建立有耗媒质中目标探测波形的数据库,供实际参考。
吸收边界条件,, 有耗媒质,, 目标探测,, 天线,, 散射
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【期刊论文】脉冲电压电流沿偶极天线传播过程的等效电路法分析*
王均宏
物理学报,2000,49(9):1696~1701,-0001,():
-1年11月30日
首先用差分方法求解了偶极天线上的静态电容分布,并分析了分布电容与天线结构参数之间的关系。然后用分布电容构造了可用于分析时域特性的偶极天线的等效电路,给出了该电路的时域求解方法。通过这一方法,可以求解任何脉冲源馈入偶极天线输入端时,天线上任意点、任意时刻的电压、电流值,从而可以分析脉冲电压、电流沿天线的传播特性,解释脉冲电压、电流传播过程中的各种现象。
脉冲电流,, 脉冲电压,, 偶极天线,, 等效电路,, 传播
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