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Theres too many things involved.. You might need more gain hence you might have to design an array. Path losses need to be taken into consideration.. I mean theres a lot of stuff..
You'd be better off starting with the frequency of operation and then going from there..
my requirement is to design a transmit/receive antenna for vehicular collision avoidance radar at 24GHz which should detect at a maximum range of 100...what are the fectors i should consider for the design to achieve this range and how should i proceed?
Will the vehicle come in a specified direction or in any direction? If it is the former, you may want an antenna array.
Anyway, I believe that the 100 meter range is not a big concern for your system.
suvitha said:
my requirement is to design a transmit/receive antenna for vehicular collision avoidance radar at 24GHz which should detect at a maximum range of 100...what are the fectors i should consider for the design to achieve this range and how should i proceed?
Try to obtain these parameters in consecutive order for starters, before you progress to add other things:
(1) Desired frequency bandwidth
(2) Dimensions constraints
(2) Good impedance matching
(4) Controllable radiation patterns
(5) Desired gain at desired frequencies
(6) Efficiency or directivity
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