8results about How to "Solve signal attenuation" patented technology

The invention discloses a hand bionic nerve high-density array type flexible electrode for tactile feedback, belongs to the field of electrical stimulation, and aims to solve the problems of an existing tactile feedback system. The sensor comprises a flexible bottom layer and a high-density electrode matrix, wherein the high-density electrode matrix is prepared on the flexible bottom layer; the flexible bottom layer is in a hand-imitating shape and is divided into a palm area and a finger area. The high-density electrode matrix comprises a plurality of electrode net units, the plurality of electrode net units are distributed in a palm area and a finger area, and local electrical stimulation on different areas is realized by performing current control on the different areas.

According to the signal processing method, the transmission method, the electronic equipment and the angle detection device provided by the invention, the rotation angle data is generated and processed in the installation process of the borehole stressmeter, so that the rotation angle of the borehole stressmeter can be accurately monitored in real time, and the rotation angle is converted into the signal adaptive to the sectional dimension of the connecting device for transmission. By modulating the frequency band of the signal, the problem of signal attenuation in a deep hole environment can be effectively solved, the signal can still be stably transmitted in a complex environment, and the data precision and the transmission reliability in the installation process of the borehole stressometer are improved, so that the geological disaster prediction and prevention efficiency is improved.

The invention belongs to the technical field of mobile communication, and particularly discloses a communication and sensing integrated RIS intelligent coverage optimization system and method, and the system comprises an intelligent cooperative control center, a train signal terminal disposed on a train, a plurality of 6G communication and sensing integrated base stations disposed at intervals along a train route, and a plurality of RIS array modules disposed at intervals along the train route. Through collaborative optimization of the 6G communication and induction integrated base station and the RIS array, a 6G signal propagation path can be accurately remodeled, the problem of signal attenuation in a weak coverage area is effectively solved, the 6G signal receiving power of a train is improved, and continuous coverage of 6G high-bandwidth services is guaranteed; doppler frequency shift can be accurately offset through dynamic phase adjustment, so that the signal distortion rate is reduced, and the stability of 6G communication of a train in a high-speed running state is ensured; and the channel feedback time delay of traditional base station switching can be eliminated, the success rate of uninterrupted signal switching is improved, and the continuity of 6G key services such as train control and passenger service is guaranteed.

The invention provides a communication management system and method for an electronic bracelet, and relates to the technical field of communication management, and the system comprises a communication network building module which is used for analyzing a communication protocol of the electronic bracelet and building a communication interaction network; the environment feature analysis module is used for acquiring a bracelet target communication task, performing communication environment feature analysis and acquiring task communication environment features; the network distance analysis module is used for acquiring a current network transmission environment parameter and analyzing a network distance; the parameter feature matching module is used for carrying out communication demand analysis and parameter feature matching to obtain a matched communication relationship; and the communication strategy generation module is used for carrying out communication strategy selection search and generating a communication management strategy by taking the maximum communication stability and the minimum communication network energy consumption as targets. The technical problem that in the prior art, signals of an electronic bracelet are easily affected by physical obstacles or interference sources in communication connection, the signals are weakened or disconnected, and continuous data transmission is affected is solved.

The embodiment of the present application relates to a kind of high-density optoelectronic co-packaging module and its preparation method, longitudinal extension network, the high-density optoelectronic co-packaging module, comprising: bare chip integrated circuit;Multiple optical communication chips, each of the optical communication chip at least shares a semiconductor functional layer, and the semiconductor functional layer is bonded with the bare chip integrated circuit by a bonding layer, each of the optical communication chip is configured to independently / collectively emit target modulation laser under the driving of the bare chip integrated circuit.The high-density optoelectronic co-packaging architecture provided in the application can solve the bottleneck problem of existing optoelectronic co-packaging technology in high-density integration, signal integrity, thermal management and manufacturing cost, etc., and provides a high-energy efficient, high-density, high-reliability optical communication solution for next-generation AI computing and data center interconnection.

The invention discloses a sea-air cluster wireless communication networking system, which comprises an air equipment cluster, an offshore equipment cluster and a communication management subsystem, the communication management subsystem comprises an equipment information management module, a communication link module and a network management module; the communication link module is used for constructing a first communication network for the air equipment cluster; a second communication network is constructed for the offshore equipment cluster, and a third communication network is constructed for the aerial equipment and the offshore equipment cluster; the equipment information management module is used for acquiring equipment information of the aerial equipment cluster and the offshore equipment cluster; the network management module is used for identifying the obstacle condition of the third communication network according to the equipment information and dynamically adjusting the third communication network according to the obstacle condition; according to the invention, a cross-cluster adjustable communication link is constructed, the continuity of communication can be maintained through a plurality of standby links even under extreme conditions, the problem of signal attenuation caused by obstacles can be solved, and the reliability and stability of communication are improved.

This invention provides an infrared beam anti-interference device and method for sowing monitoring, belonging to the field of agricultural sowing technology. The device includes a main control module, a pulse drive module, an infrared beam module, and a signal processing module. The main control module is electrically connected to the pulse drive module, the infrared beam module, and the signal processing module. The main control module is used to output timing control and high-frequency pulse signals, receive detection signals and determine the next sowing state, and simultaneously complete control processing including parameter configuration and timing synchronization. The pulse drive module is used to execute high-frequency pulse signals from the main control module and supports time-division multiplexing control. The infrared beam module is configured to use high-frequency pulse signals for signal transmission and reception and electrical signal conversion under the time-division multiplexing mechanism. The signal processing module is used to process the electrical signals into detection parameters that can be recognized by the main control module. The anti-interference method is based on the above-mentioned anti-interference device. This solution can significantly improve signal recognition accuracy and greatly reduce stray light interference.

The application discloses a high signal-to-noise ratio signal acquisition method and device for electrocardio-cardiac sound integration, and belongs to the technical field of biomedical signal acquisition. The circuit adopts two instrument amplifiers to collect electrocardio signals and cardiac sound signals respectively, and fuses a programmable gain amplifier-low pass filter fusion circuit and an analog-to-digital converter through a switch array time-sharing multiplexing. The instrument amplifier integrates chopping modulation and an auxiliary loop to suppress noise and improve input impedance; the fusion circuit adopts a switched capacitor topology to realize programmable adjustment of gain and bandwidth. A clock manager uniformly controls channel switching and circuit parameter reconfiguration. The application realizes high signal-to-noise ratio synchronous acquisition of double-mode signals, and has low power consumption, small area and good wearable integration characteristics.