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7619558 |
Clock pulse control device of a microwave pulse radar
The invention relates to a clock pulse control circuit for generating a transmit clock pulse (ts) and a sampling clock pulse (ta; tb; tc), wherein the clock pulse control circuit comprises a first...
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7612709 |
Radar device and processing method of the same
A radar device has a clock generator ( 131 ) generating a base clock; a transmitter ( 121 to 125 ) transmitting transmission pulses as gradually increasing a displacement amount with respect to...
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7602331 |
Computationally efficient adaptive radar pulse compression system
One aspect of this disclosure relates to a method for processing a received, modulated radar pulse to resolve a radar target from noise or other targets. According to an embodiment of the method, a...
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7589665 |
Multistatic method and device for radar measuring a close distance
A multistatic detection device for measuring a distance to an object includes a transmitter and a receiver, each having a high-frequency oscillator and a pulse generator. The pulse generators can...
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7564400 |
Spread spectrum radar apparatus
It is an object of the present invention to prevent the sensitivity of radar apparatus from falling. A spread spectrum radar apparatus which detects an object, includes a carrier wave oscillator...
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7525477 |
Distance measuring device
A distance measuring device includes: an impulse generator that generates an impulse; a transmission antenna that transmits the impulse generated by the impulse generator; a reception antenna that...
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7498975 |
Pulse radar system
A pulse radar system includes: a pulse output circuit that outputs a periodic transmission pulse and a gate pulse having a cycle which is a rational multiple of a cycle of the transmission pulse...
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7486226 |
Device and a method for accurate radar level gauging
The invention relates to a system, device, and method for using radar signals to measure the distance (h) to a surface from said device, the device comprising a transmitter and a transmitting...
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7463181 |
Method of suppressing interferences in systems for detecting objects
In a method for suppressing interferences while detecting objects in a target area, a transmitter transmits a sequence of pulses into the target area, and a receiver detects the resulting...
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7446695 |
Precision pulse detection system for radar sensors
A precision pulse detection system for time-of-flight sensors detects a zero axis crossing of a pulse after it crosses above and then falls below a threshold. Transmit and receive pulses flow...
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7443336 |
In-vehicle pulse radar device
Provided is an in-vehicle pulse radar device capable of calculating a distance to a target object based on a delay time between a transmission pulse wave and a received signal. The in-vehicle pulse...
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7439906 |
Doppler-compensated radar pulse compression processing system and method
A radar receiver system includes a receiver, a processor including a Doppler Compensated Adaptive Pulse Compressor (DCAPC) algorithm, possible other intermediate processing and a target detector....
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7427944 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Pulse radar system
A pulse radar system includes: a pulse output circuit that outputs a periodic transmission pulse and a gate pulse having a cycle which is a rational multiple of a cycle of the transmission pulse...
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7420504 |
Method of operating a multibeam radar
A method of operating a multibeam radar carried on a platform flying a mission over a prescribed flight path to obtain images of a plurality of target areas, the beams of said radar being the...
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7385513 |
Device for monitoring and measuring distance
A device for monitoring distances having an interrogator and a transponder in wireless communication with the interrogator, the transponder having a signaling device that is activated based on the...
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7379016 |
Carrier phase detection system for radar sensors
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse...
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7352320 |
FM-CW radar
An FM-CW radar includes a transmitting section, a mixing section, an A/D conversion section, a storage unit, and a signal processing section. The transmitting section transmits a continuous wave...
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7345624 |
Pulse wave radar device
To achieve a purpose of the present invention, a pulse wave radar device related to the present invention modulates a first transmitting pulse and a second transmitting pulse which are separated...
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RE40128 |
Stabilization in a radar level gauge
A radar gauge adapted to sense fluid level in a tank and including a radar gauge circuit in which radar transmission and level sampling are controlled by a transmit frequency and a sample frequency...
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7286080 |
High-frequency transmitting/receiving apparatus, radar system having the same, and vehicle and small boat equipped with the radar system
Provided is a millimeter-wave transmitting/receiving apparatus of pulse-modulation type in which pulse-modulated millimeter-wave signals for transmission are prevented from being outputted to a...
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7280069 |
Range-finding radar apparatus with high-resolution pulse-width calculation unit
A radar apparatus includes a modulation signal generating unit that generates a modulation signal based on an internal clock with a cycle Tc and generates a trigger signal in synchronization with...
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7250900 |
System and method for sidelobe reduction using detect-and-subtract techniques
A radar system and method for detecting targets using pulse-compressed signals is disclosed. In one application, the systems and methods can be used to detect one or more relatively small targets...
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7248207 |
System and method for sidelobe reduction using point spread function expansion
Systems and methods for detecting targets using pulse-compressed radar signals are disclosed. In one application, relatively small targets that are masked by the time-sidelobes of a larger target's...
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7248205 |
Radar apparatus
A transmitter emits into an intended search space a radar wave having a predetermined frequency pulse-modulated by a trigger pulse of a predetermined width. A receiver receives a reflected wave of...
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7233279 |
Method and device for distance measurement by pulse radar
In order to provide the method and the device for distance measurement by pulse radar that securely eliminates the false echo from the distance over the detectable limit determined by the pulse...
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7218268 |
Self-calibrating interferometric synthetic aperture radar altimeter
A synthetic aperture radar system uses RF bandwidth and Doppler beam sharpening principles to develop fine altitude and along-track resolutions. To achieve accurate cross-track position...
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7199752 |
Phased null radar
A method for reducing the interference between a source transmitting pulses and equipments having nominal bandwidths which are outside the nominal bandwidth of the transmitted pulses, but which...
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7199747 |
Generating a fine time offset using a SiGe pulse generator
A method and apparatus for generating short electronic pulses using a modified differential trigger that is partly an analogue sinusoidal voltage and partly a selectable, DC voltage. The...
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7196658 |
Waveform generation method, waveform generation program, waveform generation circuit and radar device
A conventional waveform generation circuit was required to increase a number of bits or a sampling rate for a D/A converter to enhance a precision of waveform shaping, and had a problem that a cost...
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7190306 |
Method and system for detecting with radar the passage by a vehicle of a point for monitoring on a road
The invention relates to a method for detecting the passage by a vehicle of a determined point for monitoring on a road, wherein from a remotely situated location a radar beam is transmitted...
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7151484 |
Pulse compression processor
A pulse compression processor 20 compressing a modulated pulse signal correlately received by a receiver, includes a coefficient calculator 30 calculating a set of filtering coefficients for...
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7151481 |
Method for detecting targets and determining their distance via an HPRF radar system
A method for detecting targets and determining their distance by means of an HPRF radar system including a transmitter for transmitting bursts having a preselectable number Z of transmission pulses...
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7148841 |
Radar device
A radar device includes a code generator, a transmission section, a reception section, a delay section, a despreading process section, a correlation value detection section, a target detection...
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7148839 |
Operational bistatic radar system synchronization
A bistatic radar has a radar transmitter at a first location on a moving platform having a motion and a radar receiver at a second location, remote from the first location. The transmitter...
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7138939 |
Radar
A radar has a transmission section, a reception section that receives a reflected wave of the transmission wave, a transmission switch section, a delay section that delays a predetermined timing, a...
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7126526 |
Phased null radar
A method for reducing the interference between a source transmitting pulses and equipments having nominal bandwidths which are outside the nominal bandwidth of the transmitted pulses, but which...
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7110442 |
Method and apparatus for fast acquisition and low SNR tracking in satellite positioning system receivers
A satellite positioning system (SATPS) receiver has a mix of standard and enhanced digital channel processors. The standard digital channel processors perform continuous tracking. During a low SNR...
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7106242 |
High range resolution radar system
Described herein is a method and apparatus for improving high range resolution of a radar system. The method comprises phase shifting a radar pulse to be transmitted at substantially the radar...
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7088433 |
Self reference type distance measuring method and distance measuring apparatus using an optical pulse
A distance measuring apparatus measure the distance to a target by measuring the time required for an emitted beam of light to go to and return from the target. The light receiving section of the...
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7081848 |
Orthogonal pulse range ambiguity resolution
A method for active ranging, such as radar, which sequentially transmits pulses of mutually different waveforms. Receive processing is performed concurrently for all the transmitted waveforms...
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7068214 |
Radar
A transmission wave is transmitted to a target from a transmission section. A receiving section receives a wave reflected from the target as a received wave. A conversion section converts a time...
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7064703 |
Methods and apparatus for randomly modulating radar altimeters
A method for randomly phase modulating a radar altimeter is described. The method includes momentarily applying a signal from a random noise source to an amplifier, applying an output of the...
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7053818 |
Method for simple and multipurpose tracking
A method for measuring distance and relative speed between two points, one of which is stationary. The method employs a radio signal modulating a periodic pulse train sent from stationary point to...
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7053814 |
RF lightwave coding system for radar pulse compression
An apparatus for preparing a RF radar transmit waveform and for decoding RF return waveforms comprising: a RF-lightwave encoder and a decoding preprocessor to phase-encode the RF radar transmit...
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7030807 |
Radar device
The invention relates to a radar device for measuring a relative distance to a target. It is an object of the invention to precisely determine the relative distance to the target in a wide range....
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7023377 |
Noise modulated remote distance measurement
The invention relates to remote distance measurement by means of a transmitted noise modulated probing signal (E), whereby at least one of a distance (Y(t)) and a velocity (V(t)) in relation to a...
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7012561 |
Device and method for registering, detecting, and/or analyzing at least one object
In order to refine a device and a method for registering, detecting, and/or analyzing at least one object, a registration range and/or at a detection gate being displaced at a scanning speed over a...
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6972710 |
Automotive radio wave radar and signal processing
In an automotive radio wave radar, a center frequency of a transmitted wave is shifted at a certain cycle, and position information of an obstacle detected at three or more center frequencies is...
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6888879 |
Method and apparatus for fast acquisition and low SNR tracking in satellite positioning system receivers
A satellite positioning system (SATPS) receiver has a mix of standard and enhanced digital channel processors. The standard digital channel processors perform continuous tracking. During a low SNR...
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6861974 |
Clutter normalization by adaptation of transmit waveform
A radar, sonar, lidar or like active detection, tracking system calculates the clutter which would occur with various different transmit waveforms, and selects from among those waveforms that one...
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