DETECTION OF ULTRA WIDE BAND SIGNAL

A device for the detection of an ultra wide band signal, including a signal reception circuit, a signal divider circuit to divide the received signal into several frequency sub-bands, a circuit to determine the amplitude and duration of the received signal in each frequency sub-band, a circuit to compare the amplitude of the signal received in each frequency sub-band with an amplitude threshold, a circuit to compare the duration of the signal received in each frequency sub-band with a time threshold, and a decision circuit that determines that the received signal is of the ultra wide band type if the amplitude of the signal received in each frequency sub-band is higher than the amplitude threshold and if the duration of the signal received in each frequency sub-band is less than the time threshold.

DETECTION AND MEASUREMENT UNIT FOR DETECTING ELECTROMAGNETIC INTERFERENCE, DETECTION SYSTEM COMPRISING SUCH AN ANALYSIS UNIT AND ANALYSIS METHOD

The invention relates to a detection and measurement unit () for detecting electromagnetic interference, the detection and measurement unit () being configured to receive a representative digital signal () wherein electromagnetic interference is liable to occur. The detection and measurement unit () comprises a detection subunit () configured to compare the amplitude of the representative digital signal () with a first triggering threshold (S) and a second stopping threshold (S). The second stopping threshold (S) corresponds to an amplitude less than that of the first triggering threshold (S). The detection subunit () is furthermore configured to detect an electromagnetic pulse on each detection of the passage of the amplitude of the representative digital signal through the second stopping threshold (S) in a falling edge after the amplitude of the representative digital signal 1. A detection and measurement unit for detecting electromagnetic interference , the detection and measurement unit being configured to receive a representative digital signal of the envelope of an electromagnetic signal received in a given frequency band wherein electromagnetic interference is liable to occur , 'a detection subunit configured to compare the amplitude of the representative digital signal with a first triggering threshold and a second stopping threshold, the second stopping threshold corresponding to an amplitude less than that corresponding to the first triggering threshold, the detection subunit being furthermore configured to detect an electromagnetic pulse on each detection of the passage of the amplitude of the representative digital signal through the second stopping threshold in a falling edge after the amplitude of the representative digital signal has passed through the first triggering threshold in a rising edge,', 'the measurement and detection unit comprisingwherein the detection and measurement unit comprises a programmable logic circuit which was previously ...

Hornet trap

The invention relates to a hornet trap, characterised in that it comprises: a metal chamber ( 1 ) that defines a cavity ( 2 ), a wall of the chamber being provided with opening means ( 3 ) through which at least one hornet can enter the cavity, the opening means ( 3 ) being sized such that electromagnetic waves with a given frequency present in the cavity cannot escape from the cavity ( 2 ), means ( 4, 5, 6 ) of detecting the presence of at least one hornet in the cavity ( 2 ), and an electromagnetic wave source (S) capable of generating electromagnetic waves at the given frequency inside the cavity ( 2 ) when a hornet is detected in the cavity a call means (A).

Hornet trap

The invention concerns a hornet trap, characterised in that it comprises: • -a metal chamber (1) that defines a cavity (2), one wall of the chamber being provided with opening means (3) designed to allow at least one hornet to enter the cavity, the opening means (3) being dimensioned in such a way that electromagnetic waves of a given frequency present in the cavity cannot exit the cavity (2), • -means (4, 5 and 6) designed to detect the presence of at least one hornet in the cavity (2), and • -a source (S) of electromagnetic waves designed to generate electromagnetic waves at the given frequency inside the cavity (2) when a hornet is detected in the cavity. • -a calling means (A).

TRAP FOR FRELONS

Ultra wideband signal detection

Detection of ultra wide band signal

A device for the detection of an ultra wide band signal, including a signal reception circuit, a signal divider circuit to divide the received signal into several frequency sub-bands, a circuit to determine the amplitude and duration of the received signal in each frequency sub-band, a circuit to compare the amplitude of the signal received in each frequency sub-band with an amplitude threshold, a circuit to compare the duration of the signal received in each frequency sub-band with a time threshold, and a decision circuit that determines that the received signal is of the ultra wide band type if the amplitude of the signal received in each frequency sub-band is higher than the amplitude threshold and if the duration of the signal received in each frequency sub-band is less than the time threshold.

Hornet trap

The invention relates to a hornet trap, characterised in that it comprises: a metal chamber ( 1 ) that defines a cavity ( 2 ), a wall of the chamber being provided with opening means ( 3 ) through which at least one hornet can enter the cavity, the opening means ( 3 ) being sized such that electromagnetic waves with a given frequency present in the cavity cannot escape from the cavity ( 2 ), means ( 4, 5, 6 ) of detecting the presence of at least one hornet in the cavity ( 2 ), and an electromagnetic wave source (S) capable of generating electromagnetic waves at the given frequency inside the cavity ( 2 ) when a hornet is detected in the cavity a call means (A).