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HELP in Microwave Radiometer for medical applications

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raed_microwave

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Hi dears

I'm going to start in my thesis with designing a microwave radiometer for medical application and actually I want to start with a simple example of microwave radiometer design and I'd like to ask you if someone has experiences in simulation and design procedures of microwave radiometer and ask him how can I start to design and simulation a microwave radiometer ??

Thanks in advance
 

jiripolivka

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Dear Raed:
First please consider to avoid a superhet receiver for your radiometer. As your antenna touches tissue surface, it becomes an applicator and air/tissue mismatch will make your effort difficult. If your local oscillator is reflected back to radiometer input, it can break your process. Use a "straight" RF amplifier/detector radiometer.
Simulations are difficult to make as a living tissue is a quite complex lossy stuff, and everything is irregular. I would rather suggest you to run many experiments, first with tissue phantoms, install plastic pipes with running warm water, and take "typical" data.
To my knowledge so far nobody succeeded in the work you are going to do. Only limited success in detecting warm spots (tumors) not too deep in the tissue.
 

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