wave region meaning in Hindi

Some experimental obscurants work in both infrared and millimeter wave region.
Radio astronomers are increasingly using this part of the radio spectrum, known as the millimeter wave region, to detect the spectral lines of molecules in space.
Neutron star rotation emits impulses that are extremely regular and stable in the radio wave region and is nearby condensed material body gravitation ( non-detectable in the visible field ).
His task was to work on radar anti-jamming methods; for a year German jamming of Allied radar had been a problem and the escape of two German warships ( G . C . Southworth in the USA also linked the Sun with radio noise, this time in the centimetre-wave region.