Radar apparatus, radar apparatus controlling method
First Claim
1. A radar apparatus, comprising:
- a transmitter unit having a high-frequency oscillating unit whose oscillation frequency is variable, and a pulse amplitude modulating unit for amplitude-modulating a pulse of a transmission high-frequency signal output from said high-frequency oscillating unit with a first control pulse signal;
a receiver unit having a gating unit for turning on and off an input of a reception high-frequency signal with a second control pulse signal; and
a controlling unit for controlling said transmitter unit and said receiver unit, and for switching between a first operation mode for making the apparatus function as an FM-CW radar and a second operation mode for making the apparatus function as a pulse radar.
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Accused Products
Abstract
A radar apparatus comprises: a transmitter unit having a high-frequency oscillating unit whose oscillation frequency is variable, and a pulse amplitude modulating unit for amplitude-modulating a pulse of a transmission high-frequency signal output from the high-frequency oscillating unit with a first control pulse signal; a receiver unit having a gating unit for controlling ON/OFF of an input of a received high-frequency signal with a second control pulse signal; and a controlling and signal processing unit for controlling the transmitter unit and the receiver unit, and for switching a first operation mode for making the apparatus function as an FM-CW radar, and a second operation mode for making the apparatus function as a pulse radar.
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Citations
15 Claims
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1. A radar apparatus, comprising:
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a transmitter unit having a high-frequency oscillating unit whose oscillation frequency is variable, and a pulse amplitude modulating unit for amplitude-modulating a pulse of a transmission high-frequency signal output from said high-frequency oscillating unit with a first control pulse signal;
a receiver unit having a gating unit for turning on and off an input of a reception high-frequency signal with a second control pulse signal; and
a controlling unit for controlling said transmitter unit and said receiver unit, and for switching between a first operation mode for making the apparatus function as an FM-CW radar and a second operation mode for making the apparatus function as a pulse radar. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for controlling a radar apparatus for detecting a target in a receiver unit by detecting a wave, which is reflected from the target, of a transmission high-frequency emitted from a transmitter unit, comprising
detecting the target while switching in cyclic time interval a first operation mode for frequency-modulating and radiating the transmission high-frequency, and a second operation mode for amplitude-modulating and radiating the transmission high-frequency, in the transmitter unit.
Specification