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6903674 |
Procedure and arrangement for jamming laser measuring instruments
The invention concerns a procedure for emission of jamming signals for jamming of laser-based measuring instruments as a result of which systems for distance or speed measurement of targets using...
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6885333 |
Cross-eye technique implementation
An electronic warfare (EW) cross-eye system comprises two antennas separated a distance, d, a part, where d is much greater than the wavelength, λ, of a tracking signal emitted by a fire control...
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6876321 |
Pulse descriptor word collector
A pulse descriptor word (PDW) collector, including an extractor coupled to a computer, for passively collecting radio frequency (RF) data received by an electronic surveillance system (ESS). It is...
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6872960 |
Robust infrared countermeasure system and method
A system and method for focusing electromagnetic energy on a moving target. Generally, the inventive system sends a pilot beam to a target and analyzes a return wavefront to ascertain data with...
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6870498 |
Generation of electromagnetic radiation
A system for generating electromagnetic radiation comprising a flux generator for generating a high intensity current and conversion means in the form of a reflex triode or a plasma focus device...
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6864825 |
Method and apparatus for directing electromagnetic radiation to distant locations
A method of creating electromagnetic interference includes creating an electromagnetic (EM) field of a frequency at distant target by transmitting at least two electromagnetic beams. At the target,...
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6825791 |
Deceptive signature broadcast system for aircraft
A deceptive signature broadcast system for an aircraft or other emissions generating asset for generating an emissions pattern for masking the normal emissions signature of the aircraft or asset,...
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6825792 |
Missile detection and neutralization system
The present invention is intended to provide a system for determining the precise launch point of ballistic missiles, and may additionally provide the capability of neutralizing said threats. The...
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6806592 |
Waveform controller oscillator program for an aircraft countermeasure system
A computer software program which functions as the operating system software for a electronic countermeasure set. The software allows a pilot in an aircraft to generate multiple ECM modes from a...
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6804495 |
Wireless communicator link from towed/surrogate decoy transmitter to the host aircraft
The present invention relates to a towed/surrogate decoy transmitter connectable via the tow cable to a platform or host aircraft using a wireless communicator link, the link providing useful...
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6792383 |
Passive ranging system and method
A system and method for ascertaining the range of a noise-jamming target. The system includes a receiver; a data processor coupled to the receiver; and software adapted for execution by the data...
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6771220 |
Memory efficient jammer locator for a digital adaptive beamforming receiver
A method and computer program product are disclosed for locating signal jammers in a digital beamforming receiver having an antenna with a plurality of associated antenna orientations. An...
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6756934 |
Target shadow detector for synthetic aperture radar
Targets imaged by radar systems typically have shadows associated with them. Target detection and identification is enhanced by analyzing the shadow characteristics of a suspected target. Features...
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6707052 |
Infrared deception countermeasure system
The invention is a defense unit countermeasure system comprising an attack unit detector to activate an attack illuminator, a modulated CW radiation source, a radiation detector, a second signal...
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6697008 |
Distributed electronic warfare system
A distributed electronic warfare system includes a central control site for controlling and receiving data from the system and utilizes a satellite communications system for communications within...
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6686866 |
Two-piece radar-absorbing end cap assembly
The two-piece end cap assembly has an end cap that has a groove around its perimeter and at least one cavity. The end cap is fixed in place inside the flare case with the cavities exposed....
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6683555 |
Fast deploy, retrievable and reusable airborne counter-measure system
A fast deployment and retrieval system permits the rapid deployment of a decoy in seconds in response to an incoming threat, thus eliminating the necessity of pre-deployment, with retrieval...
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6679179 |
Non-lethal electromagnetic active body
A non-lethal active body which is equipped with a detonation-operated electrical pulse generator, and which is especially deployable as an article of submunition. The pulse generator is a...
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6650269 |
Ram air inflated passive radar decoy and chaff package therefor
A passive radar decoy for deployment from an aircraft in flight comprises a substantially hemispherical body having its inner surface coated with an RF reflective material and its forward end...
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6646599 |
Open loop array antenna beam steering architecture
A solid state active aperture high power polarization agile transmitter, either single or dual polarization, employing nonreciprocal antenna elements, designed such that it can be used in an...
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6633251 |
Electric signalling system
A system is provided, for use in “cross-eye” ECM systems, and in other application, by means of which two radio-frequency signals having a specific temporal relationship can be amplified in the...
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6624780 |
False target radar image generator for countering wideband imaging radars
A system for generating a false target radar image for countering wideband synthetic aperture and inverse synthetic aperture imaging radar systems to prevent a selected target from being detected...
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6614381 |
Dual common channel cross-track system (U)
A “cross-eye” type radar countermeasure in which both of the waveforms of the illuminating signal from the enemy radar received at spaced locations on the carrying vehicle is propagated through...
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6563450 |
Shipboard point defense system and elements therefor
A combined defense and navigational system on a naval vessel is disclosed. The disclosed system includes a track-while-scan pulse radar which is controlled to provide either navigational...
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6545630 |
Efficient beam steering for closed loop polarization agile transmitter
A solid state active aperture high power polarization agile transmitter, either single or dual polarization, employing nonreciprocal antenna elements, designed such that it can be used in an...
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6542109 |
Autonomous off-board defensive aids system
There is provided an autonomous off-board defensive aids system ( 100 ) for use with a host craft ( 102 ), for example, with combat aircraft or submarines. More particularly, the host craft ( 102 )...
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6509865 |
Adaptive antenna device operable in accordance with different algorithms
In an adaptive antenna device having directivity pattern generators operable in accordance with different algorithms, respectively, in a baseband modem, beam steering processing, null steering...
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6507307 |
Ram-air inflated, passive decoy for millimeter wave frequencies
A passive radar decoy comprises a substantially hemispherical upper body portion having its inner surface coated with an RF reflective material, a weighted nose piece, a tapered lower body portion...
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6492937 |
High precision range measurement technique
Electronic Warfare (EW) systems aboard aircrafts are used to protect them from guided missile by denying threat radar systems the ability to track the aircrafts. In a typical operation, a threat...
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6486823 |
Adaptive cross polarization electronic countermeasures system
An adaptive cross polarization electronic countermeasures system comprising identical transmit and receive antennas. The transmit antenna is rotated 180 degrees with respect to the receive antenna....
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6480140 |
Apparatus and method for providing a deception response system
The present invention is to a method and system for providing protection from an EMS-targeted weapon by providing an appropriate spoofed EMS signal to cause an EMS-targeted weapon to determine an...
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6456225 |
Reflector circuit
A reflector circuit is provided which responds to illuminating radiation with corresponding output radiation of increased magnitude relative to the illuminating radiation, while also providing a...
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6429800 |
Expendable jammer
An expendable jammer is ejected as a decoy from a target in which the jammer includes a single port, keyed primed oscillator which is primed with the low level signal received at its antenna. The...
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6424286 |
In-seeker jamming device
In-Seeker Jamming Device, suitable for an RF missile, utilizes the high-gain antenna and amplifier that are already a part of the missile. During the “blind range” between the termination of...
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6420992 |
On board jammer
A method and apparatus for jamming radar and other electromagnetic signals is disclosed in which the jammer includes a single port, keyed primed oscillator which is primed with the low level signal...
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6297764 |
Radar receiver having matched filter processing
An electronic counter-measure receiver can be colocated with a threat simulator radar, which transmits a radar signal. As a pulsed-Doppler signal, this transmitted radar signal is sampled as a...
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6297762 |
Electronic countermeasures system
Apparatus for detecting the difference in phase between received signals at two spaced antennas and for then retransmitting equal amplitude antiphase signals from the two spaced antennas is disclosed.
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6275188 |
Nulling direct radiating array
A nulling direct radiating array (30) that includes a main phased array (32) and a plurality of auxiliary arrays (70, 72, 74) symmetrically disposed about the main array (32). The main array (32)...
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6267039 |
Aircraft missile-hit survivability using infrared lamp and sacrificial support structure
An aircraft missile vulnerability reduction system based on missile hit acceptance whereby a targeted aircraft's most critical components are protected by a preprogrammed, missile-attracting...
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6252537 |
Air-to-air guidance system and method of operating same
(U) A system for protecting a strategic bomber approaching the field covered by an airborne surveillance radar is shown to include: A search receiver arrangement to detect interrogating pulses from...
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6195529 |
Transmission blocker for mobile radio stations and method for preventing transmission activities of a mobile radio station
The invention relates to a transmission blocker for mobile telephones as well a method for preventing transmission activities of mobile telephones in the vicinity of safety-relevant electronic...
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6087974 |
Monopulse system for target location
A monopulse system generates sum (Σ), elevation difference (Δ EL ), azimuth difference (Δ AZ ), and double difference (Δ Δ) signals, and generates a covariance matrix. The covariance matrix is...
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6002707 |
Spread signal spectrum communication circuits and system
The present invention provides a covert radar system in which radar signals emitted are capable to search receiver thermal noise and, therefore, are substantially undetectable in the normal radar...
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5943001 |
Swept comb method of jamming
An improved countermeasure technique for providing jamming signals against obing radar, especially COSRO (conical scan on receive only) radar. A power spectrum (or comb) is generated having...
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5886626 |
System and method for performing jamming testing on communication networks
A system is tested for jamming resistance by supplying a simulated jamming ignal. The simulated jamming signal is produced by calculating a propagation path loss in the terrain between the system...
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5815110 |
Jamming method
The invention concerns the radars jamming able to coherent side looking cancellation. From a jamming source (SBR), it is created two channels supplying respectively transmission amplifiers (AE1 and...
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5793477 |
Laser speed monitor disabling system
A disabling system for disabling a laser-based speed monitor of the type that transmits a monitor laser beam at a moving motor vehicle. The monitor laser beam transmitted by the speed monitor is...
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5777572 |
Device for damaging electronic equipment using unfocussed high power millimeter wave beams
A device for damaging electronic equipment has a millimeter wave generator, such as a gyrotron oscillator, for producing very high power millimeter waves. A beam former antenna forms the millimeter...
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5767954 |
Laser transponder for disabling a laser-based speed monitor
A laser transponder for disabling a laser-based speed monitor of the type that transmits a monitor laser beam at a moving motor vehicle. In response to detecting the monitor laser beam, a warning...
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5760327 |
Superconducting radar decoys and camouflage
A high temperature superconducting material is incorporated onto a vehicle for the purpose of reflecting electromagnetic waves while superconducting. The vehicle may be chaff, a decoy, an...
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