23 results about "Signal station" patented technology

The invention relates to the field of low-altitude communication network planning methods, in particular to a 5G three-dimensional coverage and capacity planning design method for low-altitude economy, which comprises the following steps: performing airspace range limitation and application scene division on a target airspace, establishing a mobile model of a low-altitude terminal, and providing dynamic input for simulation; the method comprises the following steps: establishing a dual-frequency heterogeneous network, and determining base station addresses covering targets at different heights and meeting different signal station spacing; performing three-dimensional coverage and quality simulation on the established dual-frequency heterogeneous network, performing network KPI evaluation on the simulation until the standard is reached, and outputting a network deployment planning scheme; deploying according to a network deployment planning scheme, predicting low-altitude service flow, and adjusting a beam direction and a PRB reservation ratio to realize on-demand allocation of resources; and carrying out actual measurement on the deployed network, collecting an air measurement index, comparing a comparison deviation between the air measurement index and a simulation result, and carrying out fine adjustment on the network according to the comparison deviation. According to the invention, diversified communication requirements are met, and the success rate of terminal access is improved.

A method includes drilling a wellbore into a subsurface using a drill bit and, for each of a plurality of depths of the drill bit in the wellbore, detecting, at each of a plurality of receiver stations located along a fiber optic cable disposed behind a casing string within the wellbore, a seismic signal created by the drill bit drilling the wellbore, sending an optical signal generated by the detection of the seismic signal from each of the plurality of receiver stations to an interrogator, sorting, using a computer processor, the optical signals by receiver station, and determining, using the computer processor, a seismic velocity using first breaks picked from the sorted optical signals.

The invention provides an unmanned aerial vehicle data transmission system comprising a plurality of fixed signal stations used for sending and receiving wireless signals so as to establish communication connection with an unmanned aerial vehicle, and each fixed signal station is in wired communication connection with at least one other fixed signal station so as to form an ad hoc network data link; and a plurality of fixed control stations, each fixed control station is connected to the ad hoc network data chain, and the fixed control stations send control instructions to the unmanned aerial vehicle through the fixed control stations of the ad hoc network data chain and receive sensing data returned by the unmanned aerial vehicle. According to the method, the data link coverage range of the unmanned aerial vehicle is expanded, comprehensive signal coverage can be realized in various terrains and environments theoretically, the task execution capability and the working flexibility of the unmanned aerial vehicle are remarkably improved, and meanwhile, the efficiency loss caused by limitation of traditional point-to-point communication is reduced.

The invention discloses an anti-interference ocean buoy information return system and method with a high arrival rate, and the system comprises a buoy terminal which is used for collecting ocean data, and carrying out the preprocessing of the collected ocean data, and obtaining the preprocessed data; the low-orbit satellite communication module is used for identifying signals received by the low-orbit satellite communication module based on electromagnetic fingerprint identification, and interference signals and legal satellite signals are distinguished; performing data processing on the legal satellite signal, and sending the preprocessed data to a low-orbit satellite network through a communication link; the low-orbit satellite network sends a legal satellite signal to the buoy terminal; the low earth orbit satellite network forwards the received data to a ground gateway station; and the ground gateway station processes the received data and transmits the data to the Internet, so that users in the Internet can monitor and analyze the data in real time. By introducing an electromagnetic fingerprint identification technology, interference signals which do not conform to electromagnetic fingerprint characteristics are effectively filtered out, and the stability of the system in a complex electromagnetic environment is improved.

The invention relates to the technical field of welding detection, in particular to a multi-equipment welding spot parallel counting device and method. The trigger module is used for receiving a welding completion signal, identifying a welding completion signal station number and feeding back a signal state to the logic module; the logic module is used for judging a signal mode, generating a corresponding station number counting pulse and sending to the first counting unit; the first counting unit judges in the comparator after receiving the counting pulse, if the counting number at the moment does not reach the welding spot number set by the station number, the first counting unit updates the counting value of the current station number, if the counting number reaches the set number, the counting value is fed back to the logic module, and the logic module generates an upward counting pulse and buzzes an indicator light for indication; the second counting unit receives the upward counting pulse to count the workpieces; the system is simple in structure, can be connected with a plurality of welding controllers at the same time to count welding spots in parallel, changes the number of welding spots of workpieces according to specific weldments, can be used for counting the yields of different workpieces, and improves the production efficiency.

The invention relates to a method for power consumption and power input control in an electrical power supply network, wherein a control signal with an item of tariff information is generated by a signal station at a power supply and unidirectionally output via the power supply network, wherein the control signal is received by at least one receiving unit arranged in the power consumption network and the control signal received by the receiving unit is used for operation control of a power output unit / power input unit for a downstream power consumer / power generator. A device for power consumption / power generation control comprises a receiving unit for a control signal transmitted via a power supply network with means for converting the control signal and for generating switching processes for a power output / power input unit controlled by the receiving unit for connecting a downstream consumer / generator.

The invention discloses an unmanned aerial vehicle low-altitude economic management method and system based on a digital airspace, and relates to the technical field of unmanned aerial vehicle management.The unmanned aerial vehicle low-altitude economic management method comprises the steps that a charging device is arranged at the position of a signal station with the high conflict probability and the high charging requirement in the low-altitude airspace, and when an unmanned aerial vehicle executes a flight task and encounters a conflict or needs to be charged, the charging device is charged; according to the difficulty and risk of collision avoidance of the unmanned aerial vehicle and the difficulty and risk of arriving at the charging device, the corresponding charging device is allocated to the unmanned aerial vehicle as a temporary storage station or is charged, and by arranging the charging device, the cruising ability of the unmanned aerial vehicle can be guaranteed, the flight limitation is reduced, and the task execution effect of the unmanned aerial vehicle is improved; when avoiding conflicts occur, the charging device is used as a pause point, flight conflicts can be avoided, airspace congestion is avoided, the risk of collision is reduced, the time of adjustment in the air is shortened, and the accuracy and integrity of data collection of the unmanned aerial vehicle are guaranteed.

An automatic allocation method and system for I / O measuring points, a device, a medium, and a product. The automatic allocation method comprises: grouping I / O measuring points into multiple functional groups on the basis of signal functions of the I / O measuring points; individually encoding the I / O measuring points of a same functional group, to obtain an I / O measuring point list; and automatically allocating the I / O measuring points to an I / O card on the basis of code in the I / O measuring point list. Classification of the I / O measuring points is performed on the basis of the signal functions, and encoding of the I / O measuring points is performed in a signal station, so that automatic allocation of the I / O measuring points is implemented, the most economical measuring point allocation scheme is acquired, and the quality and efficiency of engineering implementation are improved.

The invention discloses an unmanned vehicle positioning method, device and equipment and a computer readable storage medium. According to the method, the distance between the unmanned vehicle and each signal station is obtained according to the signal intensity of m signals sent by the signal station and received by the unmanned vehicle and a distance calculation formula, the signal stations are all arranged in a mining area, and m is a positive integer larger than 2; according to the signal-to-noise ratio of each signal station, endowing each signal station with a corresponding weight; the first coordinate of the unmanned vehicle is obtained according to the distance between the unmanned vehicle and each signal station, the coordinate of each signal station and the weight given to each signal station, and high-precision and high-robustness positioning of the unmanned vehicle in the mining area scene is achieved.

The utility model provides a mobile inspection device for a cable trench and a cable tunnel, which comprises a plurality of sections of transmission rails, a C-shaped rail, a driving device, a sliding rail, a mounting seat, a mobile holder, detection equipment and a controller, the detection equipment is fixed on the mobile holder, the mobile holder is connected with the mounting seat, and the C-shaped rail is connected with the C-shaped rail. The mounting seat is connected with the sliding rail and then is driven by the driving device to slide along the conveying rail; a signal station is arranged on the transmission track, the signal station, the detection equipment and the controller are in signal connection, detection information of the detection equipment is sent to the signal station, and the controller receives the detection information transmitted by the signal station; and the C-shaped track is erected on the inner wall of the tunnel and is indirectly connected with the mounting seat through the transmission track. According to the utility model, the limitation of the existing inspection equipment is broken through, and the practicability and economical efficiency of the inspection equipment are improved.

This invention discloses a break-in system for an electro-hydraulic servo mechanism, comprising an energy station, an oil filter system, and a break-in signal station. The energy station includes multiple sets of break-in components, with the input and output ends of each set connected to the output and input ends of the oil filter system, respectively. The oil filter system filters the hydraulic oil and supplies it to the break-in components. The hydraulic oil is transferred through an oil circuit to the electro-hydraulic servo mechanism, providing high-pressure energy. The break-in components include an oil pump, a valve group, a workpiece mounting position, and a pressure regulating device. The pressure regulating device adjusts the inlet and outlet pressures of the workpiece mounting position. The break-in signal station receives a first feedback signal from the electro-hydraulic servo mechanism and a position signal acquired through a process potentiometer. It compares and amplifies the first feedback signal and the position signal, outputs a first control signal, and sends the first control signal to the process servo valve via a break-in cable.

The present invention discloses a method and system for estimating a large-scale MIMO satellite mobile communication channel. A satellite or a gateway uses a sequence of basic pilots modulated by different phase modulation factors as a pilot set, and uses statistical channel information including spatial angle information and average channel energy to implement pilot allocation and determine the pilot sequence used by each user. The user terminal uses the pilot sequence allocated by the satellite or the gateway to send a pilot signal. The satellite or the gateway implements two-stage channel estimation based on the received pilot signal, and the channel estimation value is obtained by first performing spatial domain processing on the satellite side received signal on a subcarrier-by-subcarrier basis and then performing frequency domain processing on a user-by-user basis. The spatial domain processing is the same for all subcarriers, and the frequency domain processing on a user-by-user basis can be quickly implemented using a Toeplitz system solver. The two-stage channel estimation method in the present invention can achieve near-optimal performance with greatly reduced implementation complexity.

Disclosed are a method and device for assessing communication impairment. The method comprises: obtaining location information and coverage area information of multiple faulty signal stations in a geographical area; calculating a signal impairment range based on the location information and coverage area information; and assessing the degree of communication impairment in the geographical area based on the signal impairment range. The present invention can quickly and accurately assess the area of ​​communication impairment in a region by making full use of the geographical location distribution of signal stations and combining a connected subgraph and polygon convex hull algorithm, thereby providing a more accurate determination premise for subsequent emergency response.

The invention discloses a chain track deformation monitoring system and an operation method, and relates to the technical field of chain tracks. The chain track deformation monitoring system comprises the following operation steps that a mobile signal transmitter in the track monitoring system transmits a signal, and a signal station receives data; transmitting a large amount of data through an optical fiber, moving the mobile platform and collecting the data to ensure stable transmission of model signals and data collection; on-site workers can give an alarm and point out the regional position according to the prompt of the system if fracture occurs; the central control system processes data, displays information such as pictures and time, and checks, maintains and replaces the fracture position; if no breakage occurs, position information can be fed back in real time, meanwhile, information log records are made, two workers can be saved on line, the chain and the track do not need to be checked all the time, 200,000 yuan can be saved every year, indirect benefits are achieved, the stability of the chain and the track is improved, breakage can be accurately detected, and huge harm caused by breakage of the chain and the track is prevented.

The present invention discloses a satellite integrated with communication, navigation and remote sensing, a constellation and a method for functional linkage thereof, and belongs to the field of satellite technology. The satellite includes a remote sensing payload, a GNSS receiver, a communication payload, a measurement and control transponder, a data transmission unit, an intelligent switching unit, an integrated electronic unit, an atomic clock, a storage unit and an intersatellite transmission device; a plurality of satellites integrated with communication, navigation and remote sensing transmit information through the intersatellite transmission device and form a constellation. The constellation and the ground segment form a space-ground integrated network, including a gateway composed of a data transmission / information gateway station and a mission planning system in the ground segment; an access network composed of communication payloads and communication terminals covered by communication beams, and a core network composed of intelligent switching units and intersatellite transmission equipment; through these structures and methods, the unification of time and space of communication, navigation and remote sensing information transmission, as well as the high linkage and capability enhancement of communication, navigation and remote sensing information are achieved.

The present disclosure relates to an I / O station comprising APL I / O modules for transmitting signals between a network (3) and a plurality of field devices (21) in an automation system (1). The I / O station comprises an I / O network interface (11) and a plurality of I / O modules (12), each I / O module (12) providing one or more I / O channels (20) connecting respective one or more field devices (21) of the plurality of field devices, whereby each field device is communicatively connected to the network via the I / O module (12) and the network interface (11). At least one of the I / O modules (12) is an APL I / O module (12b) that connects an APL field device (21b) of the plurality of field devices (21), and at least one I / O module is an APL I / O module (12a) that connects a non-APL field device (21a) of the plurality of field devices (21). The I / O station (10) is configured for tunneling data between at least one of the I / O modules (12) and the network (3).

The application discloses a kind of real-time anti-interference detection device and method for short wave signaling antenna feeder system.The device includes digital power meter, high-power radio frequency source, directional coupler, radio frequency isolation selector, first-four radio frequency adapter and master control software module.The method is: starting master control software module, performing system parameter assignment;Through high-power radio frequency source network interface remote reading short wave signaling antenna end directional coupler forward and reverse power value, calculate standing wave value, draw standing wave frequency response curve;Carry out data processing, generate evaluation report, and upload to superior information system;Superior information system determines whether real-time monitoring signaling state, if yes, then real-time monitoring signaling state;Otherwise, close master control software module, end detection.The application realizes real-time, anti-interference monitoring short wave signaling station signaling antenna feeder health status, high safety, strong real-time, high detection accuracy, can accurately feedback the health status of signaling antenna feeder.

A communication system includes a signal station, and a display screen spliced by a plurality of cabinets. The signal station and the plurality of cabinets form a star-shaped communication structure to establish a wireless communication connection for wireless signal transmission of information, and a wireless signal is transmitted wirelessly between the plurality of cabinets.

The invention belongs to the technical field of road traffic signal indication, and particularly relates to a signal indication device for lane switching and a use method thereof.The signal indication device comprises a signal station, a spacing type identification mechanism, a rotating energy type blocking prevention mechanism and a positioning mechanism, the spacing type identification mechanism is arranged on the signal station, and the positioning mechanism is arranged on the signal station; the rotating energy type blocking mechanism is arranged at the end, away from the signal station, of the interval type identification mechanism, the positioning mechanisms are arranged at the two ends of the signal station, the interval type identification mechanism comprises a plurality of bilateral mechanisms and a finger track mechanism, the bilateral mechanisms are arranged on the signal station, and the finger track mechanism is arranged at the ends, away from the signal station, of the bilateral mechanisms. The rotating energy type blocking mechanism comprises a wind receiving mechanism, a wind measuring mechanism, a steering mechanism, a conduction mechanism and a charging mechanism. According to the signal indicating device for lane switching and the using method thereof, lane switching can be indicated under the extreme weather condition, and indicator shelters are eliminated through the environment temperature difference.

The present disclosure relates to an I / O station for signalling between a network and a plurality of field devices in an automation system. The I / O station comprises an I / O network interface, and a plurality of I / O modules, each providing one or more I / O channels connecting respective one or more field device(s) of the plurality of field devices, whereby each of the field devices is communicatively connected to the network via the I / O module and the network interface. At least one of the I / O modules is an APL I / O module connecting APL field device(s) of the plurality of field devices, and at least one of the I / O modules is a non-APL I / O module connecting non-APL field device(s) of the plurality of field devices. The I / O station is configured for tunnelling data between at least one of the I / O modules and the network.

Disclosed are a communication system of a display screen, a communication method of a display screen, and a cabinet. The communication system includes a signal station, and a display screen spliced by a plurality of cabinets. The signal station and the plurality of cabinets form a star-shaped communication structure to establish a wireless communication connection for wireless signal transmission of information, and a wireless signal is transmitted wirelessly between the plurality of cabinets.

The invention relates to the field of signal towers, in particular to a portable signal tower which comprises a vehicle body capable of carrying a signal station to move, the vehicle body comprises a head located at the front end and a bearing portion located at the rear end, and a conversion frame is connected to the bearing portion and used for supporting the signal station to the high position to increase the signal strength. The conversion frame comprises two vertical columns fixed to the bearing part, a transverse shaft I arranged between the two vertical columns and a rail frame fixed to the bearing part in the front-back direction, a movable frame slides on the rail frame, a transverse shaft II is fixed to the upper end of the movable frame, and the transverse shaft II is fixed to the lower end of the transverse shaft II. Long hole side plates are rotatably arranged at the two ends of the transverse shaft II, long holes are formed in the two long hole side plates in a penetrating mode, the two long hole side plates are slidably arranged on the transverse shaft I in a sleeving mode, and the signal station is located at the end, away from the transverse shaft II, between the two long hole side plates. The overall height can be adjusted, and the vehicle can conveniently pass through a tunnel or other roads with obstacles in the air.

The present application relates to the field of antenna technology, and provides an integrated antenna connector and antenna, wherein the antenna includes an integrated antenna connector and a feed unit, wherein the integrated antenna connector includes an outer conductor and an inner core located inside the outer conductor; the outer conductor is provided on one side surface of an antenna board and is integrally formed with the antenna board; the outer surface of the outer conductor is provided with a first metal layer, which is connected to the grounding layer of the antenna board, and the inner surface of the outer conductor is provided with an impedance layer; the inner core passes through the antenna board and is connected to the transmission line on the other side of the antenna board. In actual application, the outer conductor of the integrated antenna connector is integrally formed with the antenna board, avoiding the reservation of a large number of connector welding ports, avoiding installation errors of subsequent devices due to welding errors, and avoiding the inability to install due to connector welding, thereby improving the construction efficiency of signal station establishment.