| 摘要 |
PROBLEM TO BE SOLVED: To eliminate an error generated in an estimated result of an incident angle caused by an error generated in a space smoothing processing, as a transformation matrix B to bring an evaluation functionΨinto zero is not provided and an error is generated in a received signal in a virtual linear array antenna, deviated from a received signal in an equal-interval linear array antenna, although the precise incident angle is estimated when conversion from a received signal in an actual array antenna into the received signal in the virtual linear array antenna is completely executed. SOLUTION: A virtual incident signal is added to the received signal, a correlation matrix of an added result therein is calculated, then an eigenvalue of the matrix is found, and the incident angle of an incident wave is estimated based on the change of the eigenvalue.
|
