초록 ▼

A detection system will detect and identify self-propelled objects, such as missiles, which create a hot exhaust plume. The exhaust plume has radiation which flickers with a frequency range of interest. This frequency range can be detected with various detectors, such as an ultraviolet detector or r

A detection system will detect and identify self-propelled objects, such as missiles, which create a hot exhaust plume. The exhaust plume has radiation which flickers with a frequency range of interest. This frequency range can be detected with various detectors, such as an ultraviolet detector or radio frequency detector. A warning signal will indicate if frequencies are encountered within the frequency range of interest. The detecting system will also detect light and radio frequency radiation from pressure waves created by supersonic components of the flying object. This radiation has low frequency components which can be filtered and identified.

대표청구항 ▼

A method of detecting an object which has at least one component travelling through atmosphere at a speed sufficient to create a sonic pressure wave at a leading edge of the component, comprising: determining a frequency range of interest at which a selected one of light and radio frequency radiatio

A method of detecting an object which has at least one component travelling through atmosphere at a speed sufficient to create a sonic pressure wave at a leading edge of the component, comprising: determining a frequency range of interest at which a selected one of light and radio frequency radiation emanates from the pressure wave; detecting at least part of the radiation emanating from the pressure wave and creating an electrical output signal having frequencies corresponding to the frequencies detected; and providing an identifying signal if frequencies are detected within the frequency range of interest.