[仿真]Microwave Devices Simulation with Ansoft HFSS

Abstract: Some microwave passive devices for applications in B'D\l\w  
microwave moisture content measurement, including B4MrrW4=  
waveguide absorption type variable attenuator, optimum H U^&,xz$Cg  
surface horn antenna, optimum pyramidal horn antenna, were Py~1xf/  
simulated by Ansoft’s HFSS. Certain targets have been uz /Wbc>y  
achieved, and it is a new attempt to apply the microwave !zZ3F|+HB  
simulation technology to instructing practice. The dielectric l8~s#:v6X  
slab painted absorbing material (graphite powder) method or %Ek!3t  
both sides of it inflicted resistance boundary condition method hqW),^\>'  
was separately used for the attenuator models. The latter v1VH&~e  
method may achieve the big attenuation and satisfy the need of kc7,F
2=F  
microwave moisture content measurement according to the Q`m
9I  
simulation results. Optimum gain H surface horn antenna and &`%J1[dy  
pyramidal horn antenna with E and H 3dB lobe width equal dI?x&#(vw  
were designed. The pyramidal horn antenna is better, which p&$O}AX|  
can obtain good antenna pattern, big gain and small VSWR )jPIBzMys  
according to the simulation results; therefore, it has .. ]k#iA9I  
*w OU=1+  

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Re:RF MEMS Impedance Tuners for 6–24 GHz Applicatio

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这个是啥 F_V/&OV  
???

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