Communications: directive radio wave systems and devices (e.g. – Determining direction – Scanning
Patent
1998-06-17
1999-11-09
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Determining direction
Scanning
342 70, 342128, 342133, 342146, G01S 1306, G01S 1342
Patent
active
059823216
ABSTRACT:
An FM signal generator generates a frequency-swept FM signal, which is radiated as a beam from a transmission and reception antenna. The transmission and reception antenna is angularly moved by an antenna actuator to scan the beam. An echo signal reflected from a target and a signal related to the frequency-swept FM signal are mixed into a beat signal, whose frequency spectrum is analyzed by a frequency analyzer. A target detector determines the distance up to the target based on the frequency spectrum of the beat signal. A BPF processor comprises a bandpass filter which extracts a frequency component corresponding to the distance up to the target from the beat signal. A bearing calculator compares the level of a signal that has passed through the BPF processor with a threshold level to determine a bearing and a width of the target.
REFERENCES:
patent: 4003049 (1977-01-01), Sterzer et al.
patent: 5268692 (1993-12-01), Grosch et al.
patent: 5369409 (1994-11-01), Urabe et al.
patent: 5579010 (1996-11-01), Iihoshi et al.
patent: 5606737 (1997-02-01), Suzuki et al.
Iihoshi Akira
Kojima Jou
Honda Giken Kogyo Kabushiki Kaisha
Sotomayor John B.
LandOfFree
Frequency-modulated continuous-wave radar system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Frequency-modulated continuous-wave radar system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frequency-modulated continuous-wave radar system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1462319