ONBOARD RADAR DEVICE AND PROGRAM OF CONTROLLING ONBOARD RADAR DEVICE
First Claim
1. An onboard radar apparatus comprising:
- a transmission wave generating unit configured to generate a transmission wave;
a vertically polarized wave transmitting antenna configured to vertically polarize and transmit the transmission wave;
a horizontally polarized wave transmitting antenna configured to horizontally polarize and transmit the transmission wave;
a receiving antenna configured to receive a reflection wave reflected from an object;
a switch control unit configured to perform a switching between the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, the switch control unit controlling a supply of the transmission wave, which has been generated by the transmission wave generating unit, to the switched one of the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, so as to alternately transmit the transmission wave that is vertically polarized and the transmission wave that is horizontally polarized; and
a receiving unit configured to receive one of the reflection wave corresponding to the transmission wave that is vertically polarized and the reflection wave corresponding to the transmission wave that is horizontally polarized as a reception signal, based on receiving levels of the reflection waves, which have been received by the receiving antenna before and after the switching is performed by the switch control unit.
1 Assignment
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Accused Products
Abstract
An onboard radar apparatus includes a transmission wave generating unit configured to generate a transmission wave, a vertically polarized wave transmitting antenna configured to vertically polarize and transmit the transmission wave, a horizontally polarized wave transmitting antenna configured to horizontally polarize and transmit the transmission wave, a receiving antenna configured to receive a reflection wave, a switch control unit configured to perform a switching between the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, and a receiving unit configured to receive one of the reflection waves based on receiving levels of the reflection waves, which have been received by the receiving antenna before and after the switching is performed by the switch control unit.
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Citations
26 Claims
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1. An onboard radar apparatus comprising:
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a transmission wave generating unit configured to generate a transmission wave; a vertically polarized wave transmitting antenna configured to vertically polarize and transmit the transmission wave; a horizontally polarized wave transmitting antenna configured to horizontally polarize and transmit the transmission wave; a receiving antenna configured to receive a reflection wave reflected from an object; a switch control unit configured to perform a switching between the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, the switch control unit controlling a supply of the transmission wave, which has been generated by the transmission wave generating unit, to the switched one of the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, so as to alternately transmit the transmission wave that is vertically polarized and the transmission wave that is horizontally polarized; and a receiving unit configured to receive one of the reflection wave corresponding to the transmission wave that is vertically polarized and the reflection wave corresponding to the transmission wave that is horizontally polarized as a reception signal, based on receiving levels of the reflection waves, which have been received by the receiving antenna before and after the switching is performed by the switch control unit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An onboard radar apparatus comprising:
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a transmission wave generating unit configured to generate a transmission wave; a distribution unit configured to distribute the transmission wave, which has been output from the transmission wave generating unit; a vertically polarized wave transmitting antenna configured to vertically polarize and transmit the transmission wave, which has been output from the transmission wave generating unit; a horizontally polarized wave transmitting antenna configured to horizontally polarize and transmit the transmission wave, which has been output from the transmission wave generating unit; a receiving antenna configured to receive a reflection wave reflected from an object; and a receiving unit configured to receive the reflection wave, which has been received by the receiving antenna and corresponding to the transmission wave that is vertically polarized, and the reflection wave, which has been received by the receiving antenna and corresponding to the transmission wave that is horizontally polarized, as a reception signal. - View Dependent Claims (9, 10, 11, 12)
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13. An onboard radar apparatus comprising:
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a transmission wave generating unit configured to generate a transmission wave; a transmitting antenna configured to polarize and transmit the transmission wave; a vertically polarized wave receiving antenna configured to receive a vertically polarized reflection wave reflected from an object; a horizontally polarized wave receiving antenna configured to receive a horizontally polarized reflection wave reflected from the object; a switch control unit configured to perform a switching between the vertically polarized wave receiving antenna and the horizontally polarized wave receiving antenna so as to alternately receive the vertically polarized reflection wave reflected from the object and the horizontally polarized reflection wave reflected from the object; and a receiving unit configured to receive one of the vertically polarized reflection wave, which has been received by the vertically polarized wave receiving antenna, and the horizontally polarized reflection wave, which has been received by the horizontally polarized wave receiving antenna, as a reception signal, before and after the switching performed by the switch control unit, based on a receiving level of one of the vertically polarized reflection wave, which has been received by the vertically polarized wave receiving antenna, and the horizontally polarized reflection wave, which has been received by the horizontally polarized wave receiving antenna. - View Dependent Claims (14, 15, 16, 17, 18)
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19. An onboard radar apparatus comprising:
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a transmission wave generating unit configured to generate a transmission wave; a transmitting antenna configured to polarize and transmits the transmission wave; a vertically polarized wave receiving antenna configured to receive a vertically polarized reflection wave reflected from an object; a horizontally polarized wave receiving antenna configured to receive a horizontally polarized reflection wave reflected from the object; and a receiving unit configured to synthesize and receive the vertically polarized reflection wave, which has been received by the vertically polarized wave receiving antenna, and the horizontally polarized reflection wave, which has been received by the horizontally polarized wave receiving antenna, as a reception signal. - View Dependent Claims (20, 21, 22)
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23. A program to be executed by a computer controlling operations of an onboard radar apparatus, to perform functions, the functions comprising:
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a transmission wave generating function of generating a transmission wave; a vertically polarized wave transmission function of vertically polarizing and transmitting the transmission wave from a vertically polarized wave transmitting antenna; a horizontally polarized wave transmission function of horizontally polarizing and transmitting the transmission wave from a horizontally polarized wave transmitting antenna; a first reception function of receiving a reflection wave reflected from an object; a switch control function of switching between the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna and controlling a supply of the transmission wave, which has been generated by the transmission wave generating unit, to the switched one of the vertically polarized wave transmitting antenna and the horizontally polarized wave transmitting antenna, so as to alternately transmit the transmission wave that is vertically polarized and the transmission wave that is horizontally polarized; and a second reception function of receiving one of the reflection wave corresponding to the vertically polarized transmission wave and the reflection wave corresponding to the horizontally polarized transmission wave as a reception signal, based on receiving levels of the reflection waves, which have been received by the receiving antenna before and after the switching is performed by the switch control function.
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24. A program to be executed by a computer controlling operations of an onboard radar apparatus, to perform functions, the functions comprising:
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a transmission wave generating function of generating a transmission wave; a distribution function of distributing the transmission wave; a vertically polarized wave transmission function of vertically polarizing and transmitting the transmission wave, which has been distributed by the distribution function, from a vertically polarized wave transmitting antenna; a horizontally polarized wave transmission function of horizontally polarizing and transmitting the transmission wave, which has been distributed by the distribution function, from a horizontally polarized wave transmitting antenna; a first reception function of receiving a reflection wave, which has been reflected from an object, by a receiving antenna; and a second reception function of receiving the reflection wave, which has been received by the first reception function and corresponding to the vertically polarized transmission wave, and the reflection wave, which has been received by the first reception function and corresponding to the horizontally polarized transmission wave, as reception signals.
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25. A program to be executed by a computer controlling operations of an onboard radar apparatus, to perform functions, the functions comprising:
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a transmission wave generating function of generating a transmission wave; a polarized wave transmission function of polarizing and transmitting the transmission wave from a transmitting antenna; a vertically polarized wave reception function of receiving a vertically polarized reflection wave, which has been reflected from an object, by a vertically polarized wave receiving antenna; a horizontally polarized wave reception function of receiving a horizontally polarized reflection wave, which has been reflected from the object, by a horizontally polarized wave receiving antenna; a switch control function of switching between the vertically polarized wave receiving antenna and the horizontally polarized wave receiving antenna, so as to alternately receive the reflection waves, which have been reflected from the object; and a reception function of receiving one of the reflection waves as a reception signal, based on receiving levels of the reflection waves, which have been received by one of the vertically polarized wave receiving antenna and the horizontally polarized wave receiving antenna before and after the switching is performed by the switch control function.
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26. A program to be executed by a computer controlling operations of an onboard radar apparatus, to perform functions, the functions comprising:
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a transmission wave generating function of generating a transmission wave; a polarized wave transmission function of polarizing and transmitting the transmission wave from a transmitting antenna; a vertically polarized wave reception function of receiving a vertically polarized reflection wave, which has been reflected from an object, by a vertically polarized wave receiving antenna; a horizontally polarized wave reception function of receiving a horizontally polarized reflection wave, which has been reflected from the object, by a horizontally polarized wave receiving antenna; and a reception function of synthesizing and receiving the reflection wave, which has been received by the vertically polarized wave receiving antenna and corresponding to the polarized transmission wave, and the reflection wave, which has been received by the horizontally polarized wave receiving antenna and corresponding to the polarized transmission wave, as a reception signal.
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Specification