System and a method for reducing particulate pollutants in air, using pulsed electromagnetic waves
Disclosed is a system and method for reducing particulate pollutants in air, using pulsed electromagnetic waves. The disclosed system 200 comprises a device 215 configured for radiating radio waves, preferably in the frequency range of 800 MHz to 5 GHz in a predefined pulsed manner. Essentially, the disclosed device comprises a radiofrequency oscillator 315 configured for oscillating at the predefined frequency. The signal is then suitably power amplified with an RF amplifier 310 and using a suitable switch 235 the amplified output is routed to one of an omnidirectional antenna 240 and directional antenna 245 for radiating the pulsed radio waves to the atmosphere.
1 . A method for reducing a proportion of particulate matter suspended in air, the method performed by a device, and the method comprising:
generating, by a signal generator, a radiofrequency signal of a predetermined frequency;
power amplifying, by a power amplifier, the generated radiofrequency signal for feeding to a transmitting antenna for radiating as an electromagnetic wave;
periodically interrupting, by a pulse width modulator, the power amplified radiofrequency signal from reaching the transmitting antenna, for a predetermined duration, for generating a pulsed radiofrequency signal, wherein the predetermined duration of the periodic interruption is adjusted based on one or more of an ambient temperature and a relative humidity at a geographical location of the device, and wherein
the radiofrequency signal is pulsed with variations in echo train length, duty cycle, and pulse amplitude according to the ambient temperature and the relative humidity at the geographical location of the device; and
feeding the pulsed radiofrequency signal to the transmitting antenna and radiating pulsed electromagnetic radiation into the air by the transmitting antenna.
2 . The method of claim 1 , wherein the predetermined frequency lies in a radiofrequency range.
3 . The method of claim 1 , wherein the predetermined frequency lies in a frequency range of 800 MHz to 5 GHz.
4 . The method of claim 1 , wherein the predetermined frequency is between 2.4 GHz and 2.5 GHz.
5 . A device for reducing a proportion of particulate matter suspended in air, the device comprising:
a signal generator for generating a radiofrequency signal of a predetermined frequency;
a power amplifier for power amplifying the generated radiofrequency signal for feeding to a transmitting antenna for radiating an electromagnetic wave; and
a pulse width modulator for periodically interrupting the power amplified radiofrequency signal from reaching the transmitting antenna, for a predetermined duration, for generating a pulsed radiofrequency signal, wherein the predetermined duration of the periodic interruption is adjusted based on one or more of an ambient temperature and a relative humidity at a geographical location of the device, and wherein the radiofrequency signal is pulsed with variations in echo train length, duty cycle, and pulse amplitude based on the ambient temperature and the relative humidity at the geographical location of the device, and wherein the transmitting antenna is for radiating pulsed electromagnetic radiation into the air.
6 . The device of claim 5 , wherein the signal generator is configured for generating the radiofrequency signal of frequency in a frequency range of 800 MHz to 5 GHz.
7 . A system for managing reduction of a proportion of particulate matter suspended in air, the system comprising:
a remote server communicatively coupled to the device of claim 5 , the remote server comprising:
data and instructions configured for one or more of:
monitoring a state of health of the device; and
communicating operating instructions to the device for operating the device depending on one or more factors selected from a group of factors, comprising the geographical location of the device, a current atmospheric condition at the geographical location of the device, an estimate of pollution characteristics at the geographical location and one or more inputs provided by a user of the device.