Title:
RADAR APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/014402
Kind Code:
A1
Abstract:
The amount of a phase shift, which occurs between an I-signal and a Q-signal after the quadrature detection of a signal reflected by a target, can be corrected in real time and appropriately, thereby suppressing the degradation of precision of estimating the arrival angle of the target. A high frequency transport signal is transmitted via a transmission antenna in a given transmission period, and a signal of a reflected wave, which is reflected by the target, is received via a reception antenna. First and second sub-code sequences each have a sub-code length obtained by dividing a code sequence having a given code length. Third, fourth, fifth and sixth sub-code sequences are obtained by multiplying each of the first and second sub-code sequences by two different factors. A first transport signal, which is obtained by modulating the codes obtained by coupling the third and fourth sub-code sequences, is generated in a first transmission period. A second transport signal, which is obtained by modulating the codes obtained by coupling the fourth and fifth sub-code sequences, is generated in a second transmission period. The generated first and second transport signals are converted to high frequency transport signals, which are transmitted via the transmission antenna.
Inventors:
KISHIGAMI, Takaaki (())
岸上 高明 (())
NAKAGAWA, Yoichi (())
岸上 高明 (())
NAKAGAWA, Yoichi (())
Application Number:
JP2011/004028
Publication Date:
February 02, 2012
Filing Date:
July 14, 2011
Export Citation:
Assignee:
Panasonic Corporation (1006, Oaza Kadoma Kadoma-sh, Osaka 01, 〒5718501, JP)
パナソニック株式会社 (〒01 大阪府門真市大字門真１００６番地 Osaka, 〒5718501, JP)
KISHIGAMI, Takaaki (())
岸上 高明 (())
パナソニック株式会社 (〒01 大阪府門真市大字門真１００６番地 Osaka, 〒5718501, JP)
KISHIGAMI, Takaaki (())
岸上 高明 (())
International Classes:
G01S13/28; G01S7/292; G01S13/93
Attorney, Agent or Firm:
OGURI, Shohei et al. (Eikoh Patent Firm, Toranomon East Bldg. 10F 7-13, Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
Claims: