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What are Microwaves? What are they used for?
Electromagnetic Spectrum has all the ranges of electromagnetic radiation. Radiation is the energy that travels and spreads out, as it propagates. Of all the waves, Microwaves are a special type of electromagnetic radiation that is used in many ways from cooking simple popcorn to study the nearby galaxies !!!
Applications
There are a wide variety of applications for Microwaves, which are not possible for other radiations. They are:
Wireless Communications
For long distance telephone calls
Bluetooth
WiMAX operations
In Outdoor broadcasting transmissions
In broadcast auxiliary services
Remote pickup unit
Studio/transmitter link
Direct broadcast satellite (DBS)
Personal communication systems (PCSs)
Wireless local area networks (WLANs)
Cellular video systems (CV)
Automobile collision avoidance system
Electronics
Fast jitter-free switches
Phase shifters
HF Generation
Tuning elements
ECM/ECCM (Electronic countermeasure) systems
Spread spectrum systems
Commercial Uses
Burglar alarms
Garage door openers
Police speed detectors
Identification by non-contact methods
Cell phones, Pagers, Wireless LANs
Satellite television, XM Radio
Motion detectors
Remote sensing
Navigation
Global Navigation Satellite systems use microwaves.
Global positioning system GPS
Military and Radar
Radar uses microwaves for detection of range and speed of the target.
SONAR applications
Air traffic control
Weather forecasting
Navigation of ships
For Minesweeping applications
Speed limit enforcement
Military uses microwave frequencies for communications and for the above-mentioned applications.
Research Applications
Atomic resonances
Nuclear resonances
Radio Astronomy
Cosmic microwave background radiation can be marked.
Powerful waves in the universe can be detected.
Many radiations in the universe and earth’s atmosphere are detected.
Food Industry
Microwave ovens used for reheating and cooking
Food processing applications
Pre-heating applications
Pre-cooking
Roasting food grains/beans
Drying potato chips
Moisture levelling
Absorbs water molecules
Industrial Uses
Vulcanizing Rubber
Analytical chemistry applications
Drying and reactions processes made short
Processing ceramics
Polymer matrix
Surface modification
Chemical vapor processing
Powder processing
Sterilizing pharmaceuticals
Chemical synthesis
Waste remediation
Power transmission
Tunnel boring
Breaking rock/concrete
Breaking up coal seams
Curing of cement
RF Lighting
Infusion reactors
Inactive denial systems
Semiconductor Processing Techniques
Reactive ion etching
Chemical vapor deposition
Spectroscopy
Electron paramagnetic resonance (EPR or ESR) spectroscopy
To know about unpaired electrons in chemicals
To know the free radicals in materials
Used in electron chemistry
Medical Applications
Monitoring heartbeat
Lung water detection
Tumor detection
Regional hyperthermia
Therapeutic applications
Local heating
Angioplasty
Microwave tomography
Microwave Acoustic imaging
The Microwaves are extensively used nowadays.
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