A multi-TOD surround camera device according to an embodiment of the present invention is directed to a multi-TOD surround camera device for detecting a drone intruding into a no-fly zone, the multi-TOD surround camera device being capable of rapidly detecting a drone intruding into a no-fly zone even at night or in bad weather, the multi-TOD surround camera device including: a high-performance TOD camera configured to photograph an upper space during the nighttime; a daytime camera configured to photograph the upper space during the daytime; an LED light projector configured to radiate search light at night; and a plurality of TOD cameras configured to photograph a surrounding 360-degree space.

Systems, devices, methods, and computer-readable media for improved location determination of an orbiting device. A method can include receiving, at a transceiver of a device, measurement data from a monitor device, the measurement data representative of a physical state of a mobile object, filtering, using a first of a plurality of first filters of the device, the measurement data based on a character parameter of a state transition matrix representative of the physical state resulting in filtered measurement data, filtering, using a Kalman filter, the filtered measurement data resulting in further filtered measurement data, and providing, by the transceiver, the further filtered measurement data.

According to one or more embodiments herein, interferometry-based satellite location accuracy is provided. In one embodiment, a method comprises: determining, generally at a substantially given time, a reference satellite having a known accurate location within angular proximity of a communication satellite having a known general location; determining an accurate angular position of the communication satellite with relation to the reference satellite from the perspective of at least one ground station antenna of a known accurate location; determining an additional location reference measurement of the communication satellite; determining an accurate location of the communication satellite at the substantially given time based at least in part on the accurate angular position of the communication satellite with relation to the reference satellite from the perspective of the at least one ground station antenna and the additional location reference measurement of the communication satellite; and utilizing the accurate location of the communication satellite.

Satellite echoing for geolocation and mitigation of Global Navigation Satellite System (GNSS) denial are provided herein, where an example method comprises: transmitting an initiated message to a communication satellite along a communication path that has a target device with an unknown distance to the communication satellite; receiving a returned message from the communication satellite over the communication path in response to the initiated message; determining a local time difference between the transmission time and the reception time; calculating a distance between the communication satellite and the target device, the distance calculated based on a portion of the determined time difference associated with only a single traversal of a portion of the communication path that is between the communication satellite and the target device; and performing one or more actions based on the distance between the communication satellite and the target device.

A method of enhancing the accuracy of a navigation system which includes a GNSS receiver. The method includes receiving navigation signals from at least one GNSS constellation and a LEO constellation. Position estimates will be made through implementation of a filter using successive readings of pseudoranges and carrier-phase measurements from the GNSS constellation and carrier-phase measurements from the LEO constellation.

A work-vehicle position measurement system includes a reference station and a work vehicle. The reference station is provided at a reference position to measure a measured position of the reference position by receiving a radio wave from a satellite and to transmit reference information including the measured position. The work vehicle includes circuitry configured to obtain a calculated position of the work vehicle based on satellite information from the satellite and the reference information transmitted from the reference station, to control the work vehicle to travel along a predetermined travel route in a work field based on the calculated position of the work vehicle, and to manage map data of the work field to correspond to the reference information of the reference position.

Disclosed is a sensor for receiving power from the outside and measuring data on a current state. A smart safety management sensor for measuring safety-related data of a structure includes a detection module installed in a structure and configured to detect a state of the structure at a preset interval, a control module operatively associated with the detection module and configured to calculate a result value based on data received by the detection module, and an output module operatively associated with the control module and configured to receive a result value calculated by the control module and to provide information to a supervisor.

Disclosed is a sensor for receiving power from the outside and measuring data on a current state. A smart safety management sensor for measuring safety-related data of a structure includes a detection module installed in a structure and configured to detect a state of the structure at a preset interval, a control module operatively associated with the detection module and configured to calculate a result value based on data received by the detection module, and an output module operatively associated with the control module and configured to receive a result value calculated by the control module and to provide information to a supervisor.

Systems and methods for altering tablature via geographical interfaces are disclosed. A system may include at least one processor configured to output a first signal for rendering a table, including a plurality of items, columns, and values in cells, wherein one of the columns may retain geographic location values, wherein a subgroup of the items may share a common geographic location value. The processor may output a second signal to render a common map, including markers associated with the geographically dispersed items, enable an interaction with the common map, output a third signal to render column values associated with the plurality of items of the subgroup, receive a fourth signal to update a column value for a particular item, receive a fifth signal to re-render the table, and output a sixth signal to re-render the table, wherein the sixth signal includes the updated value for the particular item.

An apparatus and method of intersensor calibration including using a zero airmass response constant proportional to sensor absolute radiometric gain coefficients to monitor sensor radiometric stability. Tracking the ratio of zero airmass response constant values for similar bands between two sensors provides a parameter on a common radiometric scale for evaluating interoperability performance. The method includes imaging a solar signal using a mirror to create an image reference target, detecting the image reference target using a first sensor, generating a zero airmass response constant based on a ground sampling distance of the first sensor and an at-sensor radiance value, computing a radiometric gain coefficient of the first sensor using the zero airmass response constant, and comparing the radiometric gain coefficient of the first sensor to a radiometric gain coefficient of a second sensor to determine a gain ratio between the first sensor and second sensor.