Recent content by ductrungvn

Hi, I have 2 coils arranged next to each other. One of them is used to generate alternating magnetic field at several Hz, and the other one also generate alternating magnetic field but at higher frequency (several kHz). Are there any magnetic sensors that can measure only the...

At least you got a job. For us, international students, looking for a degree-related job is such a daunting task in Australia :| If you like doing maths and enjoy challenges in engineering , studying PhD or working as a researcher may help :D Hope you find it enjoyable soon!

Thank you very much for your very clear answer, vk6kro. It is really appreciated. Wish you all the best! :D

Thank you for the answer! But I think radio waves are able to diffract around the object, is that right?

Hi guys, We all know that a shadow could be generated by radiating light waves to an object. Would it be possible to design a system with radio waves, an object made by a special material and a sensor plane in order to create a shadow of the object on the plane? Cheers!

Hi guys, I am too old to remember basic knowledge about electromagnetic waves :D I am looking for a combination of an electromagnetic wave and a material such that the wave can pass through human tissues, but it is blocked by the material. All I know is that X-ray/gamma can penetrate human...