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Class 342/141 - Off boresight


Subclass of Class 342 - Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
Definition: Subject matter including means for measuring the angle between
No. of patents: 14
Last issue date: 02/12/2008


NumberTitleIssue Date
7330149Method for locating multiple angle sources using a monopulse radar
A monopulse radar tracking method which analyzes boresight error information provided a monopulse radar to determine a location for two targets. The monopulse radar tracking method analyzes the boresight error information to determine an angle of arrival for a domin...
02/12/2008
7324041Method for solving two RF signals' angular position
A method for determining an angle for each of two RF signals at different frequencies and offset from each other. The average angle of a composite signal is obtained from the two RF signals over a frequency difference period by averaging the frequency difference per...
01/29/2008
7304602Axial deviation determining method for on-vehicle radar
An on-vehicle radar and a method of determining an axial deviation of the radar using stationary objects free of erroneous determination are disclosed. The amount of axial deviation of the radar is determined from the calculated stationary object line based on the d...
12/04/2007
7292179Instantaneous passive range finding
A method and apparatus for use in determining the range in a single time sample from a platform to a target are disclosed. The method includes receiving radiation emanating from the target at two points on the platform in a common time sample; detecting the received...
11/06/2007
7218272Reducing antenna boresight error
Reducing antenna boresight error includes receiving radar pulses reflected from the ground, where pulses are emitted from the antenna of a radar system, reflected by the ground, and received by the antenna. The return pulses carry information about the ground. Measu...
05/15/2007
7167126Radar system and method for determining the height of an object
System and method for determining the height of an object reflecting a real beam radar signal by receiving the reflected signal with a first and second vertically spaced antennas. Receivers provide two signals indicating the phase of the reflected signals received b...
01/23/2007
7136014System and method for estimating the azimuth pointing angle of a moving monopulse antenna
An invention is provided for determining the azimuth pointing angle of a moving monopulse antenna. Pulses of energy are broadcast at the surface of a planetary body. Reflected signals are received from the surface of the planetary body using a plurality of feeds. A ...
11/14/2006
7068215Reducing antenna boresight error
Reducing antenna boresight error includes receiving radar pulses reflected from the ground, where pulses are emitted from the antenna of a radar system, reflected by the ground, and received by the antenna. The return pulses carry information about the ground. Measu...
06/27/2006
6812883In-vehicle radar system
A radar system mounted in a reference vehicle can detect a distance and orientation of a preceding vehicle to thereby compute a relative position of a width center of the preceding vehicle. A curving radius of the reference vehicle is then detected for computing a r...
11/02/2004
6801156Frequency-agile monopulse technique for resolving closely spaced targets
A monopulse radar system generates elevation and azimuth difference monopulse estimates of the location of targets in each range cell, where the target may be either a single or plural target, each of which is made up of multiple scattering sources. Each azimuth-ele...
10/05/2004
6275182Radome polarization error compensation
Disclosed is a method and apparatus for improving airborne vehicle tracking and guidance systems by reducing boresight error induced by polarization of the RF energy impinging on the vehicle radome. The radome wall is formed with a taper which gradually i...
08/14/2001
6246357Radar apparatus
A radar apparatus is provided with signal converting means for FFT-transforming an output signal of reception means for detecting a reception electromagnetic wave; amplitude peak value detecting means for detecting a peak value of an amplitude level from ...
06/12/2001
5966092Radar system, in particular motor vehicle radar system
In a radar system, which is used particularly in motor vehicles, the angle at which a detected radar target is located are determined by providing that echo signals of the radar target are picked up via at least two reception channels, and their amplitude...
10/12/1999
5808578Guided missile calibration method
A method for calibrating the radar system includes the steps of: replacing stored statistically generated "average" error correction coefficients with error correction coefficients personal to a missile under test. More particularly, stored in the missile...
09/15/1998
 
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