[仿真]Microwave Devices Simulation with Ansoft HFSS

Abstract: Some microwave passive devices for applications in Lp(i&A  
microwave moisture content measurement, including |w+ O.%=  
waveguide absorption type variable attenuator, optimum H I^HwXp([  
surface horn antenna, optimum pyramidal horn antenna, were qeb}~FL"o  
simulated by Ansoft’s HFSS. Certain targets have been |*DkriYY  
achieved, and it is a new attempt to apply the microwave P&Uj?et"  
simulation technology to instructing practice. The dielectric m>
RtKCtP  
slab painted absorbing material (graphite powder) method or GS7'pTsYH  
both sides of it inflicted resistance boundary condition method !^o{}*]Pi  
was separately used for the attenuator models. The latter 9kB R/{  
method may achieve the big attenuation and satisfy the need of 9s*QHCB0  
microwave moisture content measurement according to the fzA Fn$[  
simulation results. Optimum gain H surface horn antenna and @vB-.XU  
pyramidal horn antenna with E and H 3dB lobe width equal !K0 U..  
were designed. The pyramidal horn antenna is better, which +z:>Nl  
can obtain good antenna pattern, big gain and small VSWR ~FQHT?DAo  
according to the simulation results; therefore, it has .. )U7fPKQ  
#SG.`J<%  

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這是什麼資料 NLL"~  
趕快來看看 W$zRUG-  
+8//mrL_/  
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