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thank's i have found the apropriate value of the real part and the imaginary part of the impedance but still the S11 the return loos i Can't make it like desired :(
thanks for your reply in fact it was like you explain i verified the results and i found that's really the impedance was about the 25.5 ohm for the real part and zero for the imaginary i think the cause is like you said but what still bothering me is that in paper and articles the results was...
Hy thanks for your reply
in fact CST can't modeling a complex port it only had a real modelisation like 50 ohm impedance
so to design an rfid structure with complex port we need to add a lumped element to modeling the imaginary part
or the reactance part as the theory and the cst tutorials...
hy I am working on a microstrip rfid antenna and i Have problem on port modelisation
It shoud have an input ampedance about 25.5+145j so i used a discret port of 25.5 ohm for the real part and a capacitor lumped elemnt in serie of 0.1199 picofarad
to model the imaginary part but this did not...
hy I am working on a microstrip rfid antenna and i Have problem on port modelisation I mad a capacitor lumped element to model the imaginary part but this did not work the input impedance still real pleaze did some one have a cst exple on modelising the imaginary innput impdance and thks
Hy i am using to simulate rfid pach antenna with complex port input under cst
but i get problem with the port setting i don't know hou to simulate prot
pleeeease did you have an example ofrfid under cst i will be so gratfull
thanks
Re: hfss rfid input power problem
in fact am using directly a materialized pach with 33 micrometer thickness by assigning martial to be copper it seems to be more realistic since it is close to reality
and it don't affect the sumulation too much but my problem is that when using a complex...
hfss rfid input power problem
hy for all I'm trying to simulate rfid microstrip antenna with complex input impedance witch 25.5 +145*j
i used a lumped port for the exitation
my problem is that when i use a power of 1w as source i find in result
incident power = 5.74
accepted power = 0.17...
hy for all I'm trying to simulate rfid microstrip antenna with complex input impedance witch 25.5 +145*j
i used a lumped port for the exitation
my problem is that when i use a power of 1w as source i find in result
incident power = 5.74
accepted power = 0.17
radiated power is 0.06
the...
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