30 results about "Military communications" patented technology

This invention provides an adaptive network management system for mesh networks, utilizing advanced wake-up mechanisms that include AI-driven predictive algorithms, adaptive transmission protocols, multi-layer verification processes, and device-specific wake-up profiles. The system is designed to improve network efficiency, reduce latency, and enhance energy management by selectively waking up devices based on real-time conditions, predefined schedules, or a combination of both. This system is applicable to a variety of fields, including military communications, industrial automation, and smart grids, where reliable and efficient network management is critical.

The invention discloses a multi-feature satellite navigation signal anti-deception jamming detection method based on an auto-encoder, and belongs to the technical field of satellite navigation and signal processing. According to the method, Z-score standardization processing is carried out on a received satellite navigation signal by extracting four key characteristic values including a carrier-to-noise ratio, an in-phase component, an orthogonal component and Doppler frequency shift, and dimensional difference is eliminated; and training and predicting a normal signal mode in the auto-encoder model, and comparing a reconstruction error with a set threshold value to judge whether the signal is abnormal or not. The method does not need extra hardware support, is suitable for resource-constrained equipment, has efficient and accurate detection capability in scenes of unmanned aerial vehicle navigation, vehicle navigation, military communication and the like, has the advantages of high flexibility, low cost and wide applicability, and particularly has remarkable advantages in the aspect of detecting complex deception signals.

The invention provides a multifunctional combined use method of a high-expansibility mobile power supply, relates to the technical field of mobile power supplies, and realizes modularization, multiple functions and high reliability of the power supply by constructing a combined system consisting of a main power supply module and a plurality of independent function expansion modules. The main power supply module comprises a physically reconfigurable energy storage array unit, an energy partition isolation management system, a multi-node energy routing core and a rotary encoder, and has a dynamic topology autonomous evolution capability and a fault self-healing mechanism. A multi-mode biological heuristic sensor fusion unit and a multi-stage phase change micro-cavity cooling structure are integrated in the expansion module, so that state data can be acquired in real time and thermal stability can be guaranteed. According to the invention, the adaptability, energy supply continuity and user interaction flexibility of the mobile power supply system in a complex environment are improved, and the mobile power supply system is suitable for application scenarios with high requirements on energy safety and reliability, such as field operation, military communication, disaster rescue and the like.

The invention provides a voice communication method based on Pinyin and voiceprint coding and a low-power-consumption voice terminal, and the method comprises the steps: converting voice into Pinyin and voiceprint packet codes, transmitting the Pinyin and voiceprint packet codes, restoring the Pinyin and voiceprint packet codes into a personalized voice mode at a receiving end, and achieving the breakthrough of low data volume, low power consumption and high semantic restoration rate of voice communication. According to the embodiment, the traditional voice communication data volume is reduced by more than 90%, the power consumption is reduced by more than 30-50 times, and the terminal access quantity is improved by more than 10 times. The embodiment of the invention is suitable for various scenes such as interphones, smart phones, emergency and military communication and the like; the method has revolutionary potential of reconstructing a voice communication mode in a smart phone. According to the embodiment, standardized text information is transmitted, so that the data volume is greatly reduced, and the system becomes simple, confidential and easy to deploy; therefore, a low-cost and low-power-consumption emergency disaster relief communication system capable of being connected with a satellite network can be quickly established in a remote area or under the condition of resource shortage caused by wars and disasters.

The utility model discloses a quick locking device which comprises a lock hook, the lock hook is detachably sleeved with a rivet sleeve and a spring, one end of the lock hook is detachably provided with a rotary knob, and the two ends of the spring abut against the rivet sleeve and the rotary knob respectively. According to the utility model, the expansion riveting structure design is adopted, so that parts can be prevented from falling off accidentally; the product is widely applied to the fields of aerospace, military communication, communication networks and the like due to good anti-seismic performance and locking strength; the panel mounting structure is suitable for panel mounting, has an anti-falling structure, and is good in anti-seismic performance and high in locking force.

The invention provides an environment feature-based ad hoc network endogenous security communication method and system, electronic equipment and a computer readable storage medium, and belongs to the technical field of wireless communication. According to the method, environment electromagnetic characteristics are used for driving key generation and adjustment, the limitation of traditional static encryption is broken through, and through cooperation of physical layer encryption and data modulation and fusion of network layer protection, the data confidentiality, the attack resistance and the network robustness are remarkably improved; the method is especially suitable for safety requirements of an ad hoc network radio station in dynamic scenes of military communication, emergency rescue and the like.

The invention relates to a military communication dynamic priority scheduling method based on deep reinforcement learning, and the method comprises the following steps: dynamic priority scheduling: carrying out the real-time adjustment through a dynamic priority formula according to the related information of a military task, state space definition, action space design, reward mechanism construction, Q table initialization, initial state selection and action selection are respectively carried out; an intelligent agent selects actions by using an epsilon-greedy strategy; setting the maximum number of iterations; executing the action, and updating the Q value in the Q table; in combination with multi-objective optimization, acquiring a current state and selecting actions; selecting actions by an intelligent agent by using an epsilon-greedy strategy; executing an action, observing feedback, and updating a Q table: updating a Q value in the Q table by the intelligent agent according to the new state and the reward; and military communication dynamic priority scheduling is completed. The problems of insufficient static priority scheduling, multi-objective optimization, anti-interference capability and resource utilization rate of a military communication system are solved, and the flexibility and response speed of the system are improved.

The present invention relates to the field of wireless communication technology and discloses a rapid networking method for integrating multiple communication devices based on software-defined radio. The method implements information exchange and data transmission between cross-platform and cross-protocol communication devices through four steps: preliminary networking, integrated strategy decision-making and broadcasting, response and integration of direct neighbor devices, and integration of indirect neighbor devices with other devices. A layer-by-layer diffusion integration mechanism is adopted to ensure the orderliness and efficiency of the networking process. This method does not require manual configuration of network parameters, reduces the complexity and cost of networking, and improves the efficiency and flexibility of networking. It is particularly suitable for scenarios requiring fast and flexible networking, such as emergency communications, the Internet of Things, and military communications.

The invention relates to the technical field of signal processing, in particular to a signal recovery method and device based on signal noise and sparse characteristics. The method comprises the steps of providing an improved OMP algorithm based on signal noise and sparse characteristics to perform preliminary signal recovery by comprehensively analyzing the characteristics of mobility, sparse signal processing capability, communication distance and the like of nodes in an alley battle, optimizing a signal recovery result by using an L1 norm penalty term, providing a self-adaptive adjustment technology to adapt to battlefield situation changes, and improving the signal recovery efficiency. Rapid and accurate recovery of sparse signals is realized, the quality and reliability of wireless communication signals in an urban battlefield are improved, and stable and reliable support is provided for military communication.

The present invention belongs to the field of shortwave technology, and discloses a method for shortwave scattering in an anisotropic ionosphere and verification of its field strength prediction. The present invention mainly conducts computational analysis on the influence of the anisotropy of the ionosphere on radio wave propagation, and conducts research on three aspects: model establishment, algorithm derivation, scattering characteristic calculation, and field strength prediction. First, through the structural analysis of the ionosphere, the advantages and disadvantages of various models are summarized, an anisotropic ionosphere model is established, and the calculation method is derived; then, typical frequency bands of military communication, namely very long wave and short wave, are selected to study their scattering characteristics and propagation laws in the anisotropic ionosphere; finally, based on the anisotropic ionosphere scattering model, the median value of the skywave field strength is predicted and verified. The results show that the algorithm of the present invention is significantly closer to the measured data than the field strength prediction results of the statistical model, thereby verifying the accuracy of the anisotropic ionosphere model of the present invention.

The invention discloses a military communication vehicle with high noise reduction performance, which comprises a chassis and a cabin body, the chassis is used for supporting and bearing the whole vehicle, the cabin body is fixed on the chassis, the cabin body comprises an outer layer mask and an inner layer mask, and an anti-vibration noise reduction layer is arranged between the outer layer mask and the inner layer mask; silencing walls are further arranged on the inner side of the cabin body and comprise a front silencing partition wall and a middle silencing partition wall. According to the military communication vehicle with the high noise reduction performance, an all-dimensional three-dimensional noise reduction system is formed through the comprehensive design of the cabin body, the noise reduction wall and the ventilation noise reduction body, the problem that composite noise of vehicle-mounted equipment is difficult to control is effectively solved, the noise index can be controlled to be 60 decibels or below, the comfort level of workers is remarkably improved, and the service life of the workers is prolonged. And meanwhile, normal heat dissipation and operation of the equipment are considered, and the applicability and reliability are greatly improved.

This invention relates to the field of antenna technology and discloses an integrated transceiver device for an ultra-wideband beam antenna and radome, comprising a coaxial connector, a dual-ridge waveguide, a coaxial-to-waveguide converter, a metal cap, a parasitic ridge horn section, a radome, and an integrated fixing frame. The dual-ridge waveguide is connected to the parasitic ridge horn section, and the coaxial connector is connected to the dual-ridge waveguide via the coaxial-to-waveguide converter. The metal cap seals the bottom of the dual-ridge waveguide, and the radome covers the radiating aperture of the parasitic ridge horn section and is fixed by the integrated fixing frame. The dual-ridge waveguide extends the main mode cutoff wavelength through the parasitic ridges, expanding the single-mode transmission bandwidth and achieving impedance matching with VSWR≤2 in the 5GHz~18GHz frequency band. Through an innovative integrated design, this invention achieves signal coverage across multiple frequency bands without significantly increasing the size, meeting the requirements of modern military communication and guidance systems for high-speed data transmission, strong anti-interference capabilities, and high confidentiality with excellent impedance and radiation characteristics.

Disclose a kind of intelligent signal detection identification method based on time-frequency feature fusion and anchor-free detection head, comprising the following steps: wireless signal broadband acquisition;Time-frequency transform preprocessing;Signal detection identification based on neural network;Time-frequency information conversion.This method proposes a network suitable for signal detection identification, which is divided into backbone network, neck network and detection head network three parts.A backbone network composed of component-convolution block architecture is proposed, which can flexibly adjust the complexity of the network to effectively extract features.A multi-scale time-frequency feature aggregation module is inserted in the neck network to efficiently perform feature fusion.The detection head network is changed to an anchor-free mechanism to improve output efficiency.The final output of the network is converted to time-frequency information to obtain parameters such as signal bandwidth and duration.The method can provide support for fast and automatic signal detection and identification, effectively solving the problems of high human involvement and signal detection and identification rate in military communication intelligence reconnaissance.

The present invention relates to the field of laser communication technology, and specifically to a method for determining the initial pointing of a laser communication terminal and related equipment. The method is for a laser communication terminal on a tethered balloon platform, obtains the baseline vectors of two antennas through a dual-station GNSS receiver, and calculates the heading angle using differential positioning; at the same time, with the help of the platform's inertial measurement unit, attitude information is measured in real time, and the initial pointing vector is calculated by combining the heading angle and attitude information, ultimately obtaining an initial pointing angle including an azimuth and pitch angle. The present invention has the advantages of high precision, rapid deployment, and strong anti-interference capability, can significantly shorten the time it takes to establish a laser communication link, and is suitable for emergency communications, military communications, scientific observation and other fields.

The invention provides an emergency communication device and system, and belongs to the technical field of military communication.The emergency communication device comprises a main machine and a plurality of auxiliary machines, the main machine is provided with a plurality of containing grooves, and the number of the containing grooves is equal to that of the auxiliary machines; each placement groove and each auxiliary machine are provided with corresponding conductive connectors, the main machine and the auxiliary machines are provided with input ports and output ports, the input port of each main machine is connected with the output port of each auxiliary machine through a connecting line, the main machine is provided with a transmitting unit, and the transmitting unit is connected with the main machine through a connecting line. The auxiliary machines are provided with receiving units which are in communication connection with the transmitting units, each auxiliary machine is provided with a loudspeaker, and the main machine is provided with a memory card; wherein the auxiliary machine is connected with the main machine through one of the conductive joint, the connecting wire and the receiving unit. The emergency communication system is provided with a plurality of emergency communication devices, and the plurality of hosts are in communication connection.

The invention relates to the technical field of laser communication, in particular to a method and related equipment for determining the initial direction of a laser communication terminal, and the method aims at the laser communication terminal on a captive balloon platform, obtains two antenna baseline vectors through a double-station GNSS receiver, and calculates a course angle through differential positioning; and meanwhile, attitude information is measured in real time by means of a platform inertial measurement unit, an initial pointing vector is calculated by combining the course angle and the attitude information, and an initial pointing angle containing an azimuth angle and a pitch angle is finally obtained. The method is suitable for the fields of emergency communication, military communication and scientific observation.

The invention relates to nitrogen / fluorinated modified fumed silica composite powder as well as a preparation method and application thereof, and solves the technical problems that a high-fidelity communication cable is unstable in performance and relatively large in attenuation under an ultrahigh-temperature condition. The prepared high-temperature-resistant high-fidelity communication cable internal insulation dielectric layer material can be applied to the fields of aerospace, military communication and the like.

The invention relates to a method for collaborative election of a low-delay cluster head and a gateway in a clustering ad hoc network, and belongs to the technical field of wireless communication. The method comprises the following steps: firstly, constructing an initial clustering multi-level self-organizing network model which comprises a cluster structure, node distribution and a communication channel model; secondly, performing cluster head election by adopting a combined weighting method, and constructing a utility function to select an optimal cluster head by comprehensively considering a node degree, an average routing hop count and an inter-node distance; and finally, designing a gateway node election optimization problem, and ensuring that the elected gateway node has the optimal cross-cluster communication efficiency by minimizing the end-to-end time delay between adjacent clusters and utilizing the improved ant colony algorithm to solve. Compared with a traditional method, the cluster head management capability and the gateway node cross-cluster communication efficiency are effectively improved, the network time delay is remarkably reduced, and the method is suitable for military communication, environment monitoring, intelligent traffic, disaster rescue and other scenes.

This invention relates to a priority-based dual-channel power controller, addressing the problems of voltage interruption during power switching, numerous components, and low reliability in existing technologies. The controller includes first / second input terminals, a priority setting unit, a three-resistor network, and a back-to-back PMOSFET switching circuit. Overvoltage / undervoltage thresholds (0V / UV) are dynamically set via the three-resistor network, and flexible configuration of VIN1 / VIN2 priorities is supported. Its core advantages are: achieving voltage interruption-free switching (switching time ≤2.1ms, voltage fluctuation ≤45mV); integrated design reducing discrete components by 37.5% (from 8-10 to 5), lowering component costs by over 32%; compliance with National Military Standard N1 (GJB 150A-2009), and switching reliability ≥99.95%. It is suitable for high-reliability power management scenarios such as mobile terminals, military communications, and industrial control.

1. Name of the product in this design: Handheld VHF Radio. 2. Applications of this design: Primarily used in military and civilian communications, specifically including: command system communications, tactical coordination, equipment interconnection; industrial production, emergency rescue, and daily communications. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses an interference device for armored vehicle communication training, and belongs to the technical field of military communication simulation training. Comprising a power module, a core processing module, a key module, a display module and a sound source module, the core processing module is connected with the key module, the sound source module and the display module, the key module is used for providing external input for the core processing module, and the display module is used for displaying the working state of the core processing module outwards; the sound source module comprises a buzzing signal circuit and an interference signal circuit, the core processing module outputs PWM waves to enter the buzzing signal circuit and the interference signal circuit respectively, and then buzzing sound interference and communication radio station interference of different frequencies and types are generated, and therefore the interference device is small in size, low in power consumption and flexible in function. The problems of single function and large size of the interference device of the existing armored vehicle communication equipment are solved.

The invention provides a preparation method of a formic acid protonated MXene / ANF / Pd aerogel composite membrane and application of the formic acid protonated MXene / ANF / Pd aerogel composite membrane in the field of electromagnetic shielding. The precious metal Pd is quickly reduced from the precious metal waste liquid by utilizing rich reducing active sites on the surface of the MXene nanosheet and is uniformly loaded on the surface of the MXene nanosheet, so that the formic acid protonated MXene / ANF / Pd aerogel composite membrane with enhanced performance is generated. The electromagnetic shielding effectiveness of the product prepared by the method is gt in the X wave band; the high-shielding-requirement scene such as military, communication, industry and the like is suitable for the high-shielding-requirement scene; pd is extracted and recovered from the Pd-containing noble metal waste liquid, so that the method has the industrial popularization advantages of low cost, low energy consumption, high selectivity, high economic effect and environment friendliness; the preparation process is good in repeatability and low in instrument requirement, and the aerogel film is high in mechanical flexibility and high in shielding effectiveness and has great application potential in the field of flexible electromagnetic shielding protection.

The application discloses a kind of multi-feature satellite navigation signal deception interference detection methods based on auto-encoder, belong to satellite navigation and signal processing technical field.This method is by extracting four key characteristic values such as carrier-to-noise ratio, in-phase component, quadrature component, doppler shift, carries out Z-score standardization processing to received satellite navigation signal, eliminates dimension difference;Normal signal mode is trained and predicted in auto-encoder model, and whether signal is abnormal is judged by comparing reconstruction error with set threshold value.The application does not need additional hardware support, is suitable for resource limited equipment, has efficient, accurate detection capability in unmanned aerial vehicle navigation, vehicle navigation and military communication etc.Scenarios, with high flexibility, low cost, wide applicability advantages, especially in detecting complex deception signal, the application has significant advantages.

The electronic equipment shelter is used as a device bearing platform and an operator's working space, is generally transported by a flat car, and needs to be landed and leveled when working, and is widely applied in the fields of civil and military communication command, radar and the like. Since the shelter is heavy, the lifting mode is inconvenient to operate and is poor in mobility. The self-unloading and leveling integrated device for the shelter is provided, the self-loading and unloading and leveling efficiency of the shelter equipment vehicle is improved, reliable support is provided for the shelter after leveling, and the horizontal degree is kept for a long time.

This utility model relates to the field of communication device technology, specifically a communication management device, including a device body. The device body includes an upper shell, a lower shell, and a communication management working unit, which is located between the upper and lower shells. The upper and lower shells are detachably connected. A vibration-damping mounting platform is provided on the lower shell. The communication management working unit includes a CMU motherboard, a battery, and a wireless data transmission module. The CMU motherboard and the battery are both mounted on the vibration-damping mounting platform. The battery supplies power to the CMU motherboard and the wireless data transmission module. The wireless data transmission module is located outside the CMU motherboard and is connected to the CMU motherboard via signal. By implementing vibration-damping design on the core components of the existing communication management device, the impact of complex vibration conditions such as vehicle-mounted and airborne applications is reduced, making it more suitable for military communication scenarios.

The invention discloses a preparation method of an acetic acid protonated MXene / ANF / Pt aerogel composite membrane and application of the acetic acid protonated MXene / ANF / Pt aerogel composite membrane in the field of electromagnetic shielding. The noble metal Pt can be uniformly loaded on the surface of the nanosheet by utilizing rich reducing active sites on the surface of the MXene nanosheet, so that the composite aerogel film with improved performance is prepared; the product shows excellent electromagnetic shielding performance in the X wave band, the shielding effectiveness exceeds 50 dB, and the requirements of military, communication, industry and other high-requirement shielding scenes can be met; the process has the comprehensive advantages of low cost, low energy consumption, high selectivity, remarkable economic benefit, environmental friendliness and the like, and has a good industrial popularization prospect; the preparation method is high in repeatability and low in requirements for instruments and equipment, and the obtained aerogel film has excellent mechanical flexibility and high shielding effectiveness and shows wide application potential in the field of flexible electromagnetic shielding.

The present invention relates to the field of optical fiber technology, and more particularly to a high-speed and high-security optical module fiber array. It includes: an optical transceiver module, a signal duplicator, an optical fiber transmission array, an optical switching device, an optical burst switching device, and an encryption and decryption device; the optical transceiver module includes: an optical transmitter and a plurality of optical detectors; the optical fiber transmission array includes: an optical fiber connector, an optical fiber array, a wavelength division multiplexer, and a demultiplexer; the optical transmitter converts an electrical signal group into an optical signal group; the signal duplicator duplicates the optical signal group to obtain a plurality of identical optical signal groups equal to the number of optical fibers in the optical fiber array, and then sends all the optical signal groups to the wavelength division multiplexer through a signal connector. The present invention realizes an efficient optical fiber perturbation detection and encryption method. This method not only improves the security and reliability of the optical communication system, but also significantly enhances the real-time performance of the system, and is particularly suitable for the military communication field with high security and high reliability requirements.

The invention relates to the technical field of all-optical communication systems, in particular to an all-optical communication device and method based on bundled optical fiber spheres. The core of the device comprises a clustered optical fiber sphere, a zoom lens group and a spectroscope, the clustered optical fiber sphere is formed by clustering a large number of optical fibers, and transmitting and receiving optical fibers which are physically separated are uniformly distributed on the hemispherical end face of the clustered optical fiber sphere, so that the communication capability in any direction is ensured; the zoom lens group dynamically adjusts the focal length of a light path and optimizes the light beam emission and signal receiving effects; the spectroscope separates an optical path based on wavelength selectivity, and realizes transmit-receive isolation under a common aperture. According to the method, a traditional mechanical control scheme is replaced by an all-optical signal transmission mechanism, and non-blind area omnidirectional communication is realized. According to the invention, the size, weight and power consumption of the system are significantly reduced, the communication reliability and environmental adaptability are improved, and the system is suitable for satellite interconnection, unmanned aerial vehicle clusters, military communication and other scenes.