摘要:
An on-board radar apparatus includes a transmission wave generating unit configured to generate a first modulated wave, a second modulated wave, and a third modulated wave which are different from each other, a transmitting antenna configured to transmit a transmission wave based on the first modulated wave, the second modulated wave, and the third modulated wave, a receiving antenna unit configured to receive a reception wave arriving by allowing the transmission wave to be reflected by an object, and an azimuth detecting unit configured to detect a signal based on the first modulated wave, the second modulated wave, and the third modulated wave from the reception, wave and to detect an azimuth of the object based on the detected signal.
摘要:
A DBF antenna unit including one or more transmitting antennas and a plurality of receiving antennas arranged at a predetermined interval in a horizontal scanning direction. Each of the transmitting antennas and the receiving antennas includes a waveguide provided with a corner bend and a horn expanding in a pyramid-like shape from one end of the waveguide. The other ends of the waveguides of all the transmitting antennas and the receiving antennas are placed on the same plane.
摘要:
An antenna device includes transmitting units each of which includes elements arranged parallel to a baseline, wherein the transmitting units are arranged side-by-side in a first direction and stepwisedly with steps in a second direction in a first region and a second region, the first direction being perpendicular to the baseline, the second direction being parallel to the baseline, the first region and the second region being partitioned by the baseline, and transmitting units positioned more remotely from the baseline being positioned further in the second direction.
摘要:
An image recognition device includes an image acquiring unit configured to acquire an image, and an object recognition unit configured to calculate gradient directions and gradient values of intensity of the image acquired by the image acquiring unit, to scan the gradient values of each acquired gradient direction with a window, to calculate a rectangular feature value, and to recognize a target object using a classifier based on the rectangular feature value.
摘要:
An object detecting device includes a signal transmitting and receiving unit configured to generate an intermediate frequency signal based on a transmission signal and a reception signal which is a reflected wave thereof, a processing unit configured to determine that an image of a target peak frequency is a virtual image based on noise when it is determined that a peak frequency of predetermined n times the target peak frequency is not present in information based on the intermediate frequency signal generated by the signal transmitting and receiving unit and to detect an object based on the determination result, where n is an integer of 2 or greater.
摘要:
An electronic control device for an electric power steering apparatus includes a power relay connected between a positive electrode of an on-vehicle power supply and a first line connected to the positive electrode of the on-vehicle power supply, a capacitive element connected between the first line and a second line connected to a negative electrode of the on-vehicle power supply, and a control section configured to switch ON and OFF states of the power relay to thereby perform pre-charging of the capacitive element.
摘要:
An electronic scanning type radar device mounted on a moving body includes: a transmission unit transmitting a transmission wave; a reception unit comprising a plurality of antennas receiving a reflection wave of the transmission wave from a target; a beat signal generation unit generating a beat signal from the transmission wave and the reflection wave; a frequency resolution processing unit frequency computing a complex number data; a target detection unit detecting an existence of the target; a correlation matrix computation unit computing a correlation matrix from each of a complex number data of a detected beat frequency; a target consolidation processing unit linking the target in a present detection cycle and a past detection cycle; a correlation matrix filtering unit generating an averaged correlation matrix by weighted averaging a correlation matrix of a target in the present detection cycle and a correlation matrix of a related target in the past detection cycle; and a direction detection unit computing an arrival direction of the reflection wave based on the averaged correlation matrix.
摘要:
A driving support system includes a first, a second, and a third imaging units capturing images of front view, right rear view, and left rear view from the vehicle, respectively, a turn signal indicator operation detection unit detecting an operation state of a turn signal indicator of the vehicle, a steering control unit controlling a steering operation of the vehicle, a lane keeping support unit performing driving support for lane keeping, and a lane change support unit performing a lane change by instructing the lane keeping support unit to cancel lane keeping based on the the image of the rear view from the vehicle when an operation of the turn signal indicator is detected, and withholding a lane change and wait until there is no obstructing vehicle and then cancelling withholding of the lane change when it is determined that there is no obstructing vehicle.
摘要:
An on-board radar apparatus includes a plurality of reception antennas that form a reception array antenna, the reception array antenna having two or more average pitches that do not have the relationship of integral multiplication, and an azimuth detecting unit configured to perform a phase shift so that an azimuth of the target is apparently changed by a predetermined angle, for a signal received by each reception array antenna, to perform an azimuth detection process of detecting the azimuth of the target based on the phase shift result, and to determine that the target is present in the azimuth detection range in the azimuth detection process when it is determined that the azimuths of the target detected based on the phase shift result for the signals received by the respective reception array antennas coincide with each other and to determine that the target is present outside the azimuth detection range when it is determined that the azimuths of the target do not coincide with each other.