| Patent Number |
Title Of Patent |
Date Issued |
| 7053815 |
Radar tracking system |
May 30, 2006 |
| A radar tracking system for an anti-aircraft, missile, including angle tracking, doppler tracking and range tracking feedback loops operating on sum and difference channels. Fast fourier transform digital filters are used to provide a frequency spectrum of the sum and difference I.F. |
| 6859183 |
Scanning antenna systems |
February 22, 2005 |
| Described herein is a quasi-optic rotating joint (100) which allows circularly polarised radiation to be transmitted therethrough irrespective of the angle of rotation of the joint. The rotating joint (100) comprises a first quasi-optic lens (102) having a first axis (112), which is carr |
| 6831592 |
Near-vertical incidence HF radar |
December 14, 2004 |
| An HF radar system comprises a transmitting system, a receiving system, a signal processing system and a frequency management/ionospheric sounding system. The transmitting system comprises a transmitting antenna array configured to transmit a beam in a near vertical direction and a t |
| 6768444 |
Method of interference suppression in a radar system |
July 27, 2004 |
| The invention relates to a method of interference suppression in a radar system (10) and also to a system (10) operating according to the method. The system (10) incorporates a first antenna (40) and associated electronic circuits for emitting interrogating radar radiation towards a |
| 6681700 |
Capacitive fuses for missiles |
January 27, 2004 |
| In a capacitive fuse for a missile interference due to discharge of static electricity from transmitter or receiver electrodes or to movement of the missile's control surfaces in flight is reduced by using as a receiver input signal the difference between signals at a pair of like receiv |
| 6618002 |
HF radar |
September 9, 2003 |
| A HF radar uses the same antenna array (414, 424, 424', 424') for both transmission (TX) and reception (RX). Each radiating element of the array may be driven by its own local transmitter and may have its own local receiver, both being connected to a central processor via fiber optic |
