Abstract: Provided are signal processing apparatus, a signal processing method, and an object detection system that enable an object detection to be accurately performed. A stereo camera performs imaging by a right camera and a left camera to acquire a stereo image. A millimeter wave radar acquires a radar image in which a position of an object is detected in a radiation range of millimeter waves based on millimeter waves. Further, by communication via a communication apparatus with a target of which positional information is known, it is determined whether or not the target is reliable, and in a case where it is determined that the target is reliable, calibration processing is performed for eliminating a deviation in coordinate systems generated in the stereo image and the radar image in which the target is detected.

Abstract: A subframe structure includes a frame front part and a frame rear part in a vehicle front-rear direction. The frame front part and the frame rear part are joined together. The frame front part has a higher strength than the frame rear part. The subframe has different strengths from part to part. The frame front part is made of a galvannealed steel plate (GA steel plate) subjected to an electrodeposition coating. The frame rear part is made of a hot-dip galvanized steel plate (GI steel plate) subjected to an electrodeposition coating. A rear cross member of an aluminum die-casting and a rear cross panel of a hot-dip galvanized steel plate (GI steel plate) are integrally joined together by a friction stir welding.

Abstract: A remaining battery power measuring device includes a memory and a processor coupled to the memory and configured to detect an operation time period of an object that is to be measured and intermittently operates by power supplied from a battery, adjust time when a battery voltage of the battery is measured, based on the operation time period detected by the processor and measure the battery voltage at the time adjusted by the processor.

Abstract: A measurement circuit measures a first integrated amount (integrated current amount) of a current which flows from a battery to a load. The first integrated amount is an amount in a first time period in which the measurement circuit operates. A detection circuit detects the number of operations of the load. A calculation circuit calculates a second integrated amount (total integrated-current amount) of the current on the basis of the number of operations and the first integrated amount. The second integrated amount is an amount in a third time period including a second time period in which the measurement circuit stops.

Abstract: The present technology relates to a transmitter, a transmission method, a receiver, and a reception method that can keep upsizing and cost increase to a minimum. The transmitter and the receiver have a detection mode and a communication mode as operation modes. The detection mode detects contact between a first waveguide on the side of the transmitter and a second waveguide on the side of the receiver. The communication mode sends or receives a modulated signal, acquired through frequency conversion of a baseband signal, via the first and second waveguides. The transmitter sends a given signal to the first waveguide in the detection mode. The transmitter and the receiver go from the detection mode to the communication mode in response to a given signal received by the receiver via the second waveguide and send and receive the modulated signal via the first and second waveguides in the communication mode.

Abstract: A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the communication unit for reception is housed in a housing of second electronic apparatus and a wireless signal transmission path enabling wireless information transmission between the communication units is formed between the communication units when the first and the second electronic apparatus are disposed at given positions to be integrated with each other. The communication unit for transmission includes a first carrier signal generating unit and a first frequency converter, and the communication unit for reception includes a second carrier signal generating unit, and a second frequency converter.

Abstract: [Object] To provide a signal processing device capable of distinguishing and measuring a plurality of measurement targets even with simple configuration. [Solution] Provided is a signal processing device including: a reception processing unit configured to receive a response to a predetermined signal transmitted from a transmission antenna; and a determination unit configured to determine the plurality of measurement targets by a response to a plurality of signals corresponding to a second direction having a predetermined range different from a first direction having a predetermined range.

Abstract: A connector device according to the present disclosure includes a first connector section and a second connector section. The first connector section includes a waveguide for transmitting a high-frequency signal. The second connector section includes a waveguide for transmitting a high-frequency signal, a yoke disposed to cover the waveguide, and a magnet forming a magnetic circuit with the yoke, and is couplable to the first connector section by the attractive force of the magnet. A communication system according to the present disclosure includes two communication devices and a connector device. The connector device has the above-described configuration and transmits a high-frequency signal between the two communication devices.

Abstract: A connector device of the present disclosure includes two waveguides configured to transmit a radio-frequency signal, a state monitoring unit configured to monitor a connection state of the two waveguides, and a control unit that is provided on a side of the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit.

Abstract: To provide a radar device capable of improving azimuth estimation accuracy by compensating the Doppler phase shift of a moving target in a TDMA FMCW MIMO radar device. Provided is a radar device that allows transmitting antennas to perform transmission by performing sequential switching such that antenna element numbers are anterior-posterior symmetrical centering on a reference time and synthesizes a beat signal at the reference time from a first beat signal received by a receiving antenna before the reference time and a second beat signal received after the reference time.

Abstract: [Object] To provide a signal processing device capable of enabling phase detection and achieving enhanced azimuth resolution with a small number of antenna elements. [Solution] There is provided a signal processing device including: a matrix generation unit configured to generate a matrix by multiplying a received signal vector of a reception signal by a transpose vector of the received signal vector, the reception signal being received by a reception array antenna including a plurality of reception antennas; and an estimation unit configured to estimate at least a phase of the reception signal on a basis of the matrix.

Abstract: To provide a radar device, capable of eliminating the influence based on the local feedthrough in the FMCW radar device. There is provided a radar device including: an oscillator configured to oscillate a local signal; a transmitting antenna configured to emit a transmission signal based on the local signal; a receiving antenna configured to receive a reflected wave in which the transmission signal is reflected from a target; a mixer configured to multiply the reflected wave and the local signal by each other to produce a multiplied signal; and a first shifter provided between the oscillator and the mixer and configured to shift a phase of the local signal.

Abstract: An integrated current value measuring device includes a first element having a resistance value that changes in accordance with an integrated value of current flowing in the first element, a second element having a resistance value that changes in accordance with an integrated value of current flowing in the second element, and having a degree of the change in the resistance value that is smaller than that of the change in the resistance value of the first element, and an integrated value calculator configured to calculate an integrated current value based on the resistance value of the first element and the resistance value of the second element, the integrated current value being an integrated amount of current flowing in a current path in which the first element and the second element are inserted in series.

Abstract: A receiving circuit according to the present disclosure includes a reference signal generation unit configured to generate a high-frequency reference signal, and transmit the reference signal to a transmitting circuit side through a signal transmission path configured to trap and transmit a radio wave in the transmission path, and a transmission data restoration unit configured to receive the reference signal modulated based on transmission data on the transmitting circuit side and returned through the signal transmission path, and restore the transmission data.

Abstract: A subframe structure includes a frame front part and a frame rear part in a vehicle front-rear direction. The frame front part and the frame rear part are joined together. The frame front part has a higher strength than the frame rear part. The subframe has different strengths from part to part. The frame front part is made of a galvannealed steel plate (GA steel plate) subjected to an electrodeposition coating. The frame rear part is made of a hot-dip galvanized steel plate (GI steel plate) subjected to an electrodeposition coating. A rear cross member of an aluminum die-casting and a rear cross panel of a hot-dip galvanized steel plate (GI steel plate) are integrally joined together by a friction stir welding.

Abstract: A battery's residual energy measurement circuit includes integrated amount measurement circuitry that measures quantity of an integrated amount of current flowing in a battery, time number measurement circuitry that measures number of times by which a sensing operation that changes the current flowing, time measurement circuitry that measures time, and residual energy calculation circuitry that calculates residual energy of the battery using the integrated amount measured within a measurement period by the integrated amount measurement circuitry, the number of times measured within the measurement period by the time number measurement circuitry and the measurement period measured by the time measurement circuitry.

Abstract: There is provided a MIMO radar device including: a first array antenna configured to have L (L?2) antenna elements disposed in one direction under a first rule; and a second array antenna configured to have M (M?2) antenna elements disposed in a same direction as the one direction of the first array antenna under a second rule, and to have at least two of the M antenna elements provided across the first array antenna.

Abstract: The present technology relates to a transmitter, a transmission method, a receiver, and a reception method, and particularly to a transmitter, a transmission method, a receiver, and a reception method that can keep upsizing and cost increase to a minimum. The transmitter and the receiver have a detection mode and a communication mode as operation modes. The detection mode detects contact between a first waveguide on the side of the transmitter and a second waveguide on the side of the receiver. The communication mode sends or receives a modulated signal, acquired through frequency conversion of a baseband signal, via the first and second waveguides. The transmitter sends a given signal to the first waveguide in the detection mode. The transmitter and the receiver go from the detection mode to the communication mode in response to a given signal received by the receiver via the second waveguide and send and receive the modulated signal via the first and second waveguides in the communication mode.

Abstract: The present disclosure relates to a connector module, a communication circuit board, and an electronic device that are capable of satisfactorily suppressing the leakage of high-frequency electromagnetic waves. The connector module includes an opening and a conductive spring. The opening accepts the insertion of an end of a waveguide that transmits high-frequency electromagnetic waves. The conductive spring locks the waveguide when the waveguide inserted into the opening is pressed toward one inner side surface of the opening. Further, the conductive spring is disposed in a gap between the opening and the waveguide so as to come into contact with the opening and with the waveguide along a direction in which the waveguide transmits the electromagnetic waves. The present technology is applicable, for example, to an electronic device that establishes communication by using millimeter waves.

Abstract: The present technology relates to a signal processing apparatus, a signal processing method, and a program that enable calibration with high precision.