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Dive into the research topics where Zhao Yongjiu is active.

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Featured researches published by Zhao Yongjiu.


ieee international symposium on microwave, antenna, propagation and emc technologies for wireless communications | 2009

4-component 2-D CFDFD with ESIBC application for coaxial waveguide with fractal-regular rough surfaces

Zhang Lu; Deng Hongwei; Zhao Yongjiu; Jiang Wanshun; Ning Yuemin

The fractal-regular profile with the properties of stochastic, multi-scale and self-affinity is introduced to present the rough inner surface of the lossy coaxial waveguide in this letter. Equivalent surface impedance boundary condition (ESIBC) is implemented in the 4-component compact 2-D finite difference frequency domain (2-D CFDFD) method to analyze the propagation characteristics of lossy coaxial waveguide with fractal rough surface based on Weierstrass-Mandelbrot (M-W) function. The advantages of the 4-component 2-D CFDFD method are reserved by applying ESIBC. The effects of fractal parameters (D, G) on attenuation constant are presented and the results are discussed in detail.


Archive | 2013

High-isolation microstrip duplexer with ultra wide band channel and without matching network

Deng Hongwei; Zhao Yongjiu; Fu Yong; He Ying


Archive | 2013

High-isolation microstrip diplexer provided with ultra wide band channel and needing no coupled network

Deng Hongwei; Zhao Yongjiu; Fu Yong; He Ying


Archive | 2014

Micro-strip dual-passband filter

Deng Hongwei; Zhao Yongjiu; He Ying; Su Pei; Wang Hongli


Archive | 2013

Micro-strip balanced filter

Deng Hongwei; Zhao Yongjiu; Fu Yong; He Ying


Archive | 2013

Ultra-wideband micro-strip balance filter

Deng Hongwei; Zhao Yongjiu; He Ying; Fu Yong; Wang Min


Archive | 2013

Matching network-free common-mode rejection balancing micro-strip duplexer

Deng Hongwei; Zhao Yongjiu; Fu Yong; He Ying


Archive | 2014

Micro-strip double-pass-band filter

He Ying; Zhao Yongjiu; Liu Hao; Wang Hongli


Archive | 2014

Compact type UWB dual-band trap balancing band-pass filter

Deng Hongwei; Zhao Yongjiu; Su Pei; He Ying


Archive | 2013

Microstrip balance filter

He Ying; Deng Hongwei; Zhao Yongjiu; Fu Yong

Collaboration


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Deng Hongwei

Nanjing University of Aeronautics and Astronautics

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Zhang Lu

Nanjing University of Aeronautics and Astronautics

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