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UWB Antenna bandwidth
Hi all;
To design UWB antenna, we use some technics, such as: partial ground plane, bevels, slots...
Please, can any one, explain why and how the use of partial ground plane (cut the ground plane) can increase the bandwidth of antenna.
Also, how slots affect the bandwidth...
UWB antennas ___ CST
Hi all;
Please can any one tel me how can i obtain the Power Spectral Density (dBm/MHz) of UWB antenna by using CST Microwave Studio.
Many thanks indeed your help.
Dear Mr. Hamidr_Karami,
Please can you send me a copy of this book:
- "Numerical Techniques in Electromagnetics", Second Edition, Matthew N. O. Sadiku
Thank you in advance.
my e-mail is: simotic@yahoo.fr
Best regards
Dear all,
As you know, UWB antennas are with partial ground plane and slotted partial ground plane. but when these antennas are to be mounted on mobile phone or PCB (that are on metal) and have large ground plane, this can affects largely the performance of antenna. So in this case what problems...
ok dear vfone,
many thanks indeed for your prompt reply.
please how can i improuve the antenna gain? so what technics i have to do?
if you have documentation about this please to send it to me.
best regards.
Thanks dear freind for your reply,
please comments this figures.
on the other hand in my design the ground plane is slotted, so what effects if we want to integrate this antenna on PCB or Phone (when the ground plane will be totally covered). i'll be grateful for your help, thanks.
the size of...
hi dear freind,
after drawing and runing (simulating your HFSS project), click at HFSS Menu--> results-->create report-->choose report type and display type, for example for S11 you choose report type:model S parameter , and for display type:rectangular plot ) and after you specify the parameter...
Dear all,
i'm working on printed antenna design for UWB and WiMAX applications. the S11 obtained are more less than 10 dB (-30 dB for the first antenna, and -50dB for the second designed antenna), but the problem is that the gain of these antennas is less than zero (for the first antenna...
Dear freinds,
can any one Please post here this book:
Andr‚ Vander Vorst, Arye Rosen, Youji Kotsuka , "RF/Microwave Interaction with Biological Tissues ". February 2006, Wiley-IEEE Press
thank you very much in advance.
Best regards.
Hi dear freinds,
Can any one please send me the following articles:
1) Hsi-Tseng Chou Jin-Song Wang Da-Jen Wu "Applications of shielding techniques to reduce SAR induction in human head" published in Antennas and Propagation Society International Symposium, 2003. IEEE 22-27 June 2003...
Hi dear freinds,
Can any one please send me the following articles:
1) Hsi-Tseng Chou Jin-Song Wang Da-Jen Wu "Applications of shielding techniques to reduce SAR induction in human head" published in Antennas and Propagation Society International Symposium, 2003. IEEE 22-27 June 2003...
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