A method for precision collaborative targeting includes determining information indicative of a current location and of a known remote location. A first distance is determined from the current location to the known remote location. A sensor is slewed towards an unknown remote location, the sensor being initially directed from the current location to the known remote location. The distance from the current location to the unknown remote location is measured. Information indicative of the location of the unknown remote location is determined from the amount of slewing and the distance from the current location to the unknown remote location.

A method for precision collaborative targeting includes determining information indicative of a current location and of a known remote location. A first distance is determined from the current location to the known remote location. A sensor is slewed towards an unknown remote location, the sensor being initially directed from the current location to the known remote location. The distance from the current location to the unknown remote location is measured. Information indicative of the location of the unknown remote location is determined from the amount of slewing and the distance from the current location to the unknown remote location.

In an automotive collision avoidance sensor system installed at both the fore and aft of a vehicle, there is provided an output lens, an input lens, and a transmit laser. The transmit laser is adapted to transmit a pulsed beam through the output lens to impact roadway, surrounding vehicles or objects fore, aft, port and starboard of the vehicle, with return signals from the roadway, surrounding vehicles or objects reflecting off the input lens. A sensor of the system adapted collects the return signals from the input lens to convert them into output voltages and signals, and has a data processor configured to analyze the output voltages and signals so as to calculate real-time 3-dimensional situation awareness measurements and safety metrics which are constantly measured and updated to prevent possible collision.

Disclosed are a three-dimensional slope detection device and a slope detection method thereof, the slope detection device including: a structure provided with a spherical surface; multiple optical sensors provided on a spherical surface of the structure in a manner that face different directions, the optical sensors measuring a quantity of sunlight; an optical sensor receiving unit receiving output information of each of the optical sensors; a time providing unit providing calendar information on a date and a time when the output information is received; and an operation unit configured to analysis an incidence angle of the sunlight from the collected pieces of the output information, calculate a horizontal coordinate system from the analyzed incidence angle of the sunlight, the calendar information, and a sun path equation, and calculate a three-dimensional slope information for a current location in comparison with the horizontal coordinate system.

Disclosed are a three-dimensional slope detection device and a slope detection method thereof, the slope detection device including: a structure provided with a spherical surface; multiple optical sensors provided on a spherical surface of the structure in a manner that face different directions, the optical sensors measuring a quantity of sunlight; an optical sensor receiving unit receiving output information of each of the optical sensors; a time providing unit providing calendar information on a date and a time when the output information is received; and an operation unit configured to analysis an incidence angle of the sunlight from the collected pieces of the output information, calculate a horizontal coordinate system from the analyzed incidence angle of the sunlight, the calendar information, and a sun path equation, and calculate a three-dimensional slope information for a current location in comparison with the horizontal coordinate system.

A system can determine an angle of an incident beam of a coherent light. An optical antenna, first waveguides, a manifold, and second waveguides can be fabricated on a first chip. Pixels can be fabricated on a second chip. The first chip and the second chip can be mounted on a printed circuit board. The optical antenna can be configured to receive the incident beam at an angle with respect to a plane defined by the optical antenna. The first waveguides can be configured to convey first channels of the coherent light from the optical antenna. The manifold can be configured to receive the first channels of the coherent light from the first waveguides. The second waveguides can be configured to convey second channels of the coherent light from the manifold. The pixels can be configured to receive the second channels of the coherent light from the second waveguides.

A system includes an array of photodiode sensors positioned on an autonomous vehicle. Each photodiode sensor in the array of photodiode sensors is oriented in a different direction and configured to generate electrical current signals in response to detecting a flashing light in a surrounding environment of the autonomous vehicle. The system also includes a processor coupled to the array of photodiode sensors. The processor is configured to determine a location of a source of the flashing light relative to the autonomous vehicle based on electrical current signals from at least one photodiode sensor in the array of photodiode sensors. The processor is also configured to generate a command to maneuver the autonomous vehicle based on the location of the source relative to the autonomous vehicle.

The present invention relates to the technical field of orientation of radiation sources. The present invention discloses a method for orientating a radiation source based on irradiance. The method is characterized by comprising the following steps: accepting irradiation of the radiation source on M side surfaces of a regular pyramid or a regular prismoid and measuring irradiance of the M side surfaces; sequencing the irradiance of the M side surfaces to obtain an orientation sequence; performing Fourier transform on the orientation sequence to obtain a coefficient of each of frequency spectrum component Fourier series; and obtaining an azimuth angle α.sub.s and an elevating angle γ of the radiation source according to a frequency spectrum component of the orientation sequence with an angular frequency of 0 and ±2π/M, wherein M is an integer and is greater than or equal to 3; and in the M side surfaces, unit normal vector azimuth angles of adjacent side surfaces differ from each other at an integer multiple of 2π/M. The orientation method of the present invention may be used for orientation of the sun, orientation of a microwave source and orientation of various radioactive radiation sources.

An apparatus includes a light intensity sensor arrangement, a focusing unit for focusing the light beam at a specified location on the light intensity sensor arrangement, and an adjustment unit which adjusts a relative position of the intensity centroid of the light beam in relation to a specified location on the light intensity sensor arrangement when there is a change in the beam angle present upon entry in the apparatus. The adjustment unit is configured to keep the relative position of the intensity centroid of the light beam in relation to the specified location on the light intensity sensor arrangement constant up to a specified maximum deviation. The maximum deviation corresponds to half the mean beam diameter upon incidence on the light intensity sensor arrangement.

A vehicle window with an anisotropic light sensor, has a first glass layer and a second glass layer, wherein an arrangement of light-sensitive elements is arranged, substantially parallel to the first glass layer, between the first glass layer and the second glass layer, wherein the pane furthermore has an aperture such that light can shine through the second glass layer and the aperture onto at least one of the light-sensitive elements, wherein, depending on the direction of incident light, the sensor provides a signal that is indicative of the direction, wherein the arrangement of light-sensitive elements has a camera chip and wherein the arrangement of light-sensitive elements is arranged on a flexible film.