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9024809 Object detection system and method  
The present invention relates to an object detection system and method for determining range and velocity of a target object by transmitting a frequency modulated continuous wave transmission...
9024808 Filling level determination using transmit signals with different frequency steps  
A method of determining a filling level comprising transmitting a first transmit signal exhibiting a first ratio between bandwidth number of frequencies; receiving a first reflection signal;...
9019151 Method and device for determining the distance between a radio beacon and an onboard unit  
System and method for determining the distance between a radio beacon and a vehicle device passing in the radio beacon, in a road toll system. A signal having a known temporal profile is emitted...
9000974 Systems and methods for frequency-modulation continuous-wave and pulse-compression transmission operation  
Systems and methods for allowing dual-mode radar operation. An exemplary transmission system includes a hybrid coupler that receives a signal produced by a synthesizer and couples the received...
8994586 Apparatus and method for detecting target in near field  
An apparatus for detecting a target in near field in accordance with an exemplary embodiment of the present invention includes: an RF transceiver configured to generate a transmitting signal of a...
8976061 Radar system and method of manufacturing same  
A radar system (100) is described including a transmitting assembly (10), a receiving assembly (20), a control unit (30) and a signal processing unit (40). The transmitting assembly (10) receives...
8976060 RF chirp signal propagation delay measurement  
Distance between two radio frequency devices is estimated by receiving a plurality of spread spectrum chirp signals frequency offset from one another, and evaluating the received plurality of...
8970425 Radar apparatus and method  
A radar apparatus for obtaining a higher range resolution than conventional radar apparatus without increasing the bandwidth comprises a transmitter antenna that transmits a frequency modulated...
8963770 Method and device for determining the distance between a radio beacon and an onboard unit  
The invention relates to a method for determining the distance between a radio beacon and a vehicle device passing in front of said radio beacon, in a road toll system. A signal of a frequency...
8928524 Method and system for enhancing data rates  
The present disclosure relates to the field of pulse compression in signal processing, and more particularly, to systems and methods for the synthesis of waveforms for suppressing sidelobes and...
8902103 Radar apparatus supporting short and long range radar operation  
Disclosed is a radar apparatus supporting short range and long range radar operations, wherein a plurality of short range transmitting chirp signals and a plurality of long range transmitting...
8872674 Directional speed and distance sensor  
A method of using a directional sensor for the purposes of detecting the presence of a vehicle or an object within a zone of interest on a roadway or in a parking space. The method comprises the...
8866668 Radar apparatus with different operation modes  
In a radar apparatus, a peak extractor performs frequency analysis on a beat signal to obtain a frequency spectrum for each of first and second detection modes based on the beat signal for a...
8866667 High sensitivity single antenna FMCW radar  
One embodiment is directed towards a FMCW radar having a single antenna. The radar includes a transmit path having a voltage controlled oscillator controlled by a phase-locked loop, and the...
8860605 Method for estimating the position and the speed of a target with a radar emitting an OFDM waveform  
A method for estimating the position and the speed of a target with a radar is provided. The radar emits a waveform including a train of pulses, each pulse having an OFDM chip constructed from...
8854251 Object identification device and method  
Provided is an object identification device and a method for the same that are capable of identifying a three-dimensional object and a road surface static object, irrespective of situations. The...
8847816 Calibration of a radar unit with device-specific correction curves  
A method for lessening disturbances of a measurement signal in a radar unit for distance measurement by means of frequency-modulated radar in continuous wave operation. The method comprises steps...
8847815 Electronic scanning radar apparatus, received wave direction estimating method, and received wave direction estimating program  
An electronic scanning radar apparatus mounted on a moving object includes a receiving unit including a plurality of antennas receiving a received wave arriving from a target having reflected a...
8823581 System and method for detecting dangerous objects and substances  
A system and method for detecting dangerous objects and substances are disclosed. According to one embodiment, a method comprises generating a microwave signal that is reflected by a target to...
8823583 Radar sensor having two oscillators, two I/Q transmit mixers, and two I/Q receive mixers  
A radar sensor for motor vehicles, having a transmitting part, which has two oscillators and a 90° phase shifter for generating a transmission signal, a first comparison signal, and a second...
8823582 FMCW radar sensor system having a device for detecting a radome coating  
An FMCW radar sensor system is described having an antenna covered by a radome, a mixer for mixing a frequency-modulated transmission signal with a signal received by the antenna, a device for...
8816902 Radar apparatus  
There is provided a radar apparatus for detecting a target. A detection signal generating unit generates detection signals of the target based on transmission and reception waves of antennas. A...
8760341 Radar device  
Provided is a radar device capable of preventing mispairing from occurring, and obtaining a distance to a target and a relative velocity to the target even if at least one of the peak frequencies...
8742979 Range side lobe removal device, signal-processing device, radar device provided with the signal-processing device, and method of removing range side lobe  
This disclosure provides a range side lobe removal device, which includes a pulse compressor for acquiring a reception signal from a radar antenna and generating a pulse-compressed signal by...
8730094 Method for determining the distance of a vehicle from a radio beacon and radio beacon for this purpose  
A method and a radio beacon for determining a distance of a vehicle passing a radio beacon of a road toll system, from beacon. The vehicle is equipped with an onboard unit, which emits a signal...
8704704 Motor vehicle radar system, and method for determining speeds and distances of objects  
Presented is a method for determining speeds (vr14, vr16) and distances (r14, r16) of objects (14, 16) relative to a radar system (12) of a motor vehicle (10), wherein a coverage area (EB) of the...
8704703 Pseudosynchronizer for an unsynchronized bistatic radar system  
Methods and systems for post processing synchronization of bistatic radar data are disclosed. A transmitter is configured to transmit pulses at a first rate controlled by a first local oscillator....
8686898 System employing a direct digital synthesiser  
A DDS based system, such as a radar, includes means for generating a plurality of transmission signals using a DDS, and means for integrating signals derived therefrom, such as received signals....
8674875 Scanners  
The invention provides a security scanner that produces a radar profile of a clothed person or another object such as a bag carried by a person at a distance and does not require close proximity...
8665139 Distance measuring apparatus and distance measuring method  
Disclosed is a distance measuring apparatus which includes: a first pulse generating means (135) which generates reference signals; a second pulse generating means (137) which generates subject...
8638254 Signal processing device, radar device, vehicle control system, signal processing method, and computer-readable medium  
A signal processing device performs object detection processing in which peak signals each representing a differential frequency between a transmitted signal in which a frequency thereof changes...
8619908 Wireless ranging system and related methods  
A wireless ranging system for determining a range of a remote wireless device may include a wireless transmitter and a wireless receiver. The wireless ranging system may also include a ranging...
8604971 Scanning near field electromagnetic probe  
A method and apparatus is devised for detecting objects of interest in which frequency-scanned RF in the HF region of the electromagnetic spectrum is projected out across a given area and returns...
8581778 Pulse compression system and method  
A non-linear FM pulse compression system includes a non-linear FM transmitter adapted to receive an input signal and transmit an output signal. The non-linear FM transmitter is adapted to modulate...
8558730 Method and device for detecting precipitation by radar  
A method for detecting precipitation in a region monitored by radar beams includes ascertaining a first average power of a first backscattered radar signal, ascertaining a second average power of...
8537049 Multi-function radar device  
Provided is a multi-function radar apparatus capable of measuring both a distance to a target object and a temperature of the target object with high accuracy. A transmission signal produced from...
8514982 Systems and methods for digitizing multiple channels in a receiver  
Systems and methods for mitigating multipath signals in a receiver are provided. In this regard, a representative system, among others, includes a radio frequency (RF) front-end and at least one...
8497799 FMCW-type radar level gauge  
A level gauge using microwaves to determine a distance to a surface of a product in a tank, wherein a measurement signal comprises a first frequency sweep, and a second frequency sweep, and a...
8493265 Radar detection method, notably for airborne radars implementing an obstacle detection and avoidance function  
A method includes: generating a frequency-modulated continuous signal, an emission sequence being formed of successive ramps centered on a carrier frequency; fixing a modulation band ΔF and the...
8477063 System and method for obstacle detection and warning  
A obstacle detection system comprises a transmission antenna operable to radiate a radio frequency (RF) signal and a transmitter operable to control transmission of the RF signal from the antenna....
8471705 Method and apparatus for detecting presence of a target object via continuous laser and range of the target object via laser pulse  
A multifunction detector for detecting energy reflected from the surface, the detector comprising: a focal plane array in communication with the optical receiving path; and an optical receiving...
8427361 Radar apparatus for use in vehicle  
The radar apparatus includes a target candidate detecting means for detecting a peak frequency at which the intensity of the power spectrum of a beat signal peaks as a target candidate, a road...
8421669 Synthetic aperture processing system and synthetc aperture processing method  
A synthetic aperture processing system that includes a signal transmission unit for generating and radiating a plurality of chirp waves to an irradiation region from measuring sites, a signal...
8416121 Narrow-band wide-range frequency modulation continuous wave (FMCW) radar system  
A frequency modulation continuous wave (FMCW) system includes a first memory receiving a clock signal and storing voltage digital values of I FMCW signals, a second memory receiving the clock...
8410976 Frequency-modulated interrupted continuous wave radar using pulses derived from a frequency-modulated signal in which the rate of frequency change increases at the boundary of a pulse repetition interval  
An object ranging system operates by transmitting pulses derived from a frequency-swept signal and determining the beat frequency of a combination of the frequency-swept signal and its reflection...
8405541 Multi-range radar system  
A radar system operable to detect objects within multiple ranges using common components is provided. The radar system includes a transmitter antenna, a first and second microwave radiation...
8400349 Radar echo processing with partitioned de-ramp  
The spurious-free dynamic range of a wideband radar system is increased by apportioning de-ramp processing across analog and digital processing domains. A chirp rate offset is applied between the...
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences  
To generate a pulse for ranging, a kernel is convolved with a spreading sequence. The spreading sequence is parametrized by one or more ordered (length, sparsity) pairs, such that the first...
8390506 Motor vehicle FMCW radar having linear frequency ramps of different slopes that are set apart, which are associated with different angular ranges  
An FMCW radar locating device includes a transmitting device having a controllable transmitting-signal-generating device generating a transmitting signal having a frequency corresponding to an...
8339305 Method for detecting an object with a frequency modulated continuous wave (FMCW) ranging system  
In a method for detecting an object with an FMCW (frequency modulated continuous wave) ranging system a superior accuracy and resolution is obtained by determining the strongest sinusoidal...