17 results about "Electronic communication technology" patented technology

The invention relates to an electronic communication technology, in particular to a communication method of a voice interaction device, the method is applied to the voice interaction device in an equipment communication system, and the voice interaction device is in communication connection with electronic equipment and a controller. The voice interaction device is internally provided with a Bluetooth antenna, a first WiFi antenna and a second WiFi antenna which can operate at the same time and are mutually independent, the Bluetooth antenna is connected with the Bluetooth module, and the first WiFi antenna is connected with the first WiFi module. The invention provides a communication method for a voice interaction device, which can be in communication connection with electronic equipment and a controller, and can realize simultaneous multi-link communication connection through a Bluetooth antenna, a first WiFi antenna and a second WiFi antenna which can operate independently at the same time, so that the problem of communication data loss can be effectively reduced, and the user experience is improved. And a communication connection link is adjusted through the signal strength, so that the problems of data transmission delay and unsmoothness are reduced, and the effectiveness of data transmission is improved.

The application relates to the field of electronic communication technology and discloses an information modulation method and system for an LLC resonant converter. The application provides an information modulation method for an LLC resonant converter, which comprises the following steps: a power control loop module of the LLC resonant converter outputs a target frequency through a period conversion module; a digital signal to be transmitted is decomposed into a symbol sequence composed of a symbol A and a symbol B in a split-phase code mode; a frequency change lookup table module is established according to the target frequency, the target frequency is input, and a frequency change amount is correspondingly output; in the encoding mode of the split-phase code, a preset delay time is inserted when the symbols are switched, and actual delay time and phase shift angle are obtained according to the relationship between frequency jump and phase; and the digital signal is modulated into the LLC resonant converter through a PFM module.

The invention relates to the technical field of electronic communication, in particular to a high-integration antenna array micro-module structure which comprises a TGV antenna array layer, a mixed packaging substrate layer and a heat dissipation layer from top to bottom. The TGV antenna array layer comprises a metal patterned radiation unit on the upper layer, an antenna dielectric layer on the middle layer, a BGA solder ball on the lower layer and the like; the radiation unit is electrically connected with the BGA solder balls through the TGV through holes; the mixed packaging substrate layer comprises an ABF / AlN ceramic / ABF substrate, a radio frequency function circuit element, a digital comprehensive processing module and a signal interface, is of a sandwich multi-layer fine wiring structure, and realizes efficient heat conduction and high-density interconnection of front surface mounting, embedding and flip chips; the heat dissipation layer is used for conducting heat generated by the micro module out. According to the invention, the antenna, the radio frequency front end, the comprehensive digital processing module and the heat dissipation module are integrated; the glass TGV switching antenna is adopted, so that the antenna has the advantages of low cost and easiness in processing; the AlN ceramic / ABF mixed packaging substrate manufacturing method is adopted, and the advantages of high integration and efficient heat dissipation are achieved.

The application discloses a toll station gantry lane linkage efficient passing method and belongs to the field of highway electronic communication technology, and comprises the following steps: S1, a vehicle drives into an ETC lane, and multiple preliminary inspection gantries and reinspection gantries near the ETC lane all identify an ETC electronic tag on the vehicle through RSU radio frequency signals; S2, when the vehicle passes through infrared inspection equipment in front of the preliminary inspection gantry, the infrared inspection equipment is blocked; through setting of a square lane gate and a switching gate, the square lane gate and the switching gate cooperate with a cloud server to classify and release the vehicle, so that the ETC electronic tag of the vehicle is identified in the driving process, the vehicle staying time is reduced, and the passing efficiency is effectively improved.

The invention relates to the technical field of electronic communication, in particular to a multichannel full-duplex photoelectric isolation type differential bus transceiver, which adopts a square ceramic shell with a 24-pin structure, and is characterized in that six cavities, six inner ceramic chips and a differential level conversion chip are arranged in the ceramic; chips for realizing a photosensitive integrated digital circuit are respectively arranged in the six cavities; an LED chip is arranged on the inner ceramic chip, and the inner ceramic chip and the cavity are oppositely arranged, so that the LED chip and the photosensitive integrated digital circuit form a light transmission channel, and a photoelectric isolation function is realized; the differential level conversion chip is used for realizing level conversion of two-channel full-duplex differential signals and is composed of a differential driver and a differential receiver; according to the multichannel full-duplex photoelectric isolation type differential bus transceiving device, airtight packaging and multi-cavity layered design are adopted, and the number of communication channels is increased while the size of a traditional transceiver is reduced.

This application discloses a USB 3.0 signal isolation circuit, electronic device, and signal isolation method, relating to the field of electronic communication technology. The USB 3.0 signal isolation circuit connects the host side and the device side. By configuring a first signal driver conditioner, a second signal driver conditioner, a first high-frequency isolation transformer, and a second high-frequency isolation transformer, a bidirectional high-speed signal isolation channel is constructed. Signal conditioning, such as pre-emphasis, equalization, or gain adjustment, is performed on the high-speed differential signal. Simultaneously, electrical isolation is achieved using the high-frequency isolation transformer, overcoming the limitations of traditional solutions in terms of signal integrity, bandwidth, and transmission delay. Therefore, high-speed reliable data transmission between the host side and the device side is realized, while ensuring electrical safety, effectively suppressing common-mode interference, and improving system stability and anti-interference capability.

The utility model discloses a power-adjustable hand microphone, and belongs to the technical field of electronic communication. The objective of the utility model is to solve the technical problem of how to realize adjustable power and convenient use of the hand microphone. The key points of the technical scheme are that the microphone comprises a housing, an indicating lamp, an adjusting knob, a potentiometer, an amplifier, a filter, a power supply module, a hand microphone switch and a circuit board module, one side of the housing is provided with a microphone component, the indicating lamp is installed on the front side of the housing, the adjusting knob rolling horizontally is assembled on the back of the housing, and a hook is arranged below the adjusting knob. A power supply module is assembled below the hook; the lower end of the shell is connected with a cable connector; the circuit board module is fixedly assembled in the shell, the power supply module is used for providing electric energy, and the indicator lamp is used for indicating working signals; the potentiometer is used for adjusting power, the amplifier is used for amplifying received signals, the filter is used for reducing noise of the received signals, and the hand microphone switch is used for call control.

The invention relates to the technical field of electronic communication, and discloses a communication error correction method and device, computer equipment and a storage medium, and the method comprises the steps: receiving a current message transmitted by a transmitting end; extracting a data segment and a check code between the start character and the end character in the current message; performing exclusive-or operation based on the data segments to obtain an exclusive-or result; and if the XOR result is detected to be inconsistent with the check code, acquiring a previous message received before the current message is received, intercepting and splicing based on the previous message and the current message to obtain a new message, and sending the new message to the server. Taking the new message as the current message and returning to the step of extracting the data segment and the check code between the starting character and the ending character in the current message; and if the XOR result is detected to be consistent with the check code, replying to the current message. According to the invention, the message content is subjected to XOR verification, and the error message is packed, so that the problems of accidental data reversal and packet sticking are effectively solved, and the error rate of communication is reduced.

The application relates to a controllable on-off microstrip coupling circuit applied to the field of electronic communication technology, which comprises the following steps: introducing a controllable on-resistance element on a microstrip coupling line, controlling the on-resistance element through a voltage source, when the on-resistance element is on, the signal input from an input end is directly transmitted to the ground through the on-resistance element, the off state of the microstrip coupling circuit is realized, when the on-resistance element is off, the signal input from the input end is transmitted through an output end, the on state of the microstrip coupling circuit is realized, the on-off control of the microstrip coupling circuit is realized, compared with the prior art, the on-off control circuit is integrated on the microstrip coupling circuit, the miniaturization design is facilitated, the on-off control circuit structure is simple, and the complexity is low.

The invention relates to the technical field of electronic communication, in particular to a portable electronic communication device which comprises a display screen and a communication body and further comprises a mainboard, a mounting hole is formed in the upper surface of the mainboard, and a buffer mechanism is arranged on the side edge of the mounting hole; the device has the beneficial effects that by arranging the rotating disc, the balancing weight and the piston plate, when the device is worn on the forearm through the wearing mechanism, the end where the rotating disc is located is close to the position of the hand, during walking, along with swinging of the arm, the balancing weight drives the rotating disc to rotate in a reciprocating mode, and then the piston plate slides in an air exhaust cavity in a reciprocating mode; under the action of the first one-way valve and the second one-way valve, air in the vent hole can be sucked into the air suction cavity and then is pressed out by the piston plate through the air outlet hole, the action generated when a human body walks is used for driving airflow to flow in the vent hole, the communication body is cooled, the purpose of saving energy is achieved, and the communication device is simple in structure and convenient to use. The failure rate is low.

The application relates to the field of electronic communication technology and discloses a radar anti-dense false target jamming method and system based on deep reinforcement learning, wherein the steps of the radar anti-dense false target jamming method based on deep reinforcement learning are as follows: a dense false target jamming simulation model is constructed; a jamming state is defined; a reward function of anti-jamming reinforcement learning is designed to evaluate the anti-jamming effect reward after a certain action is taken; after feature extraction and processing of complex value echo signals received by the radar based on a twin network, the features are fused to obtain fused features; the fused features are input into a policy network to complete adaptive learning and optimization of the anti-jamming action and generate an optimal anti-jamming action; and the emission waveform of the radar is adjusted according to the optimal anti-jamming action; the application completes autonomous learning and artificial intelligence optimization of the anti-jamming action through deep reinforcement learning, effectively suppresses dense false target jamming, and improves radar target recognition and detection precision.

The invention relates to the technical field of electronic communication, provides a single-bus communication physical layer protocol implementation method suitable for small-resistance modulation, and aims to solve the communication stability problem of signal distortion caused by large current in a small-resistance modulation scene. According to the method, by defining a synchronous frame header time sequence START, a write 1 time sequence W1 and a write 0 time sequence W0 of a host and a return 1 time sequence R1 and a return 0 time sequence R0 of a slave, time sequence synchronization information containing the host and the slave is set, so that the host adopts a similar duty ratio to superpose an anchor time sequence downlink instruction, and the slave adopts an anchor time sequence to continuously return uplink data. According to the invention, stable communication can be realized when the clock deviation between the host and the slave is large, a small-resistance modulation scene is adapted, signal interference is reduced, and communication efficiency and stability are improved.

This invention discloses a tapped inductor, a resonant cavity structure, an oscillator structure, a chip, and a device, belonging to the field of electronic communication technology. The tapped inductor includes an inductor Ld and an inductor Lg; wherein, there are two coupling mechanisms between inductors Ld and Lg: electrical coupling and magnetic coupling. Electrical coupling corresponds to voltage-enhanced coupling along the current direction between inductors Ld and Lg, while magnetic coupling is the mutual inductance coupling between inductors Ld and Lg. The resonant cavity structure includes: a drain-end resonant branch, composed of inductors Ld and Cd connected in parallel; and a gate-end resonant branch, composed of inductors Lg and Cg connected in parallel. The two branches are symmetrically distributed in a differential manner, respectively connected to the drain and gate of the active part of the oscillator. The tapped inductor transformer network proposed in this invention achieves greater passive gain from the drain to the gate in the oscillator; the resonant cavity based on the electro-magnetically coupled tapped inductor solves the problem that traditional structures cannot achieve higher gains.

The application discloses an ETC gate system accurate toll collection method, and belongs to the field of highway electronic communication technology, and comprises the following steps: S1, when a vehicle enters a highway intersection, RSU and a high-definition camera on an entrance identification gate are used to identify vehicle transaction information, and the vehicle transaction information and a highway entrance code corresponding to the entrance identification gate are transmitted to a cloud transaction system; S2, a cloud database on the cloud transaction system stores data uploaded in S1 and establishes a vehicle information model; S3, the cloud transaction system transmits the vehicle information model of the corresponding vehicle to the nearest pre-reading gate or toll gate storage in all possible forward directions of the vehicle through a mobile trajectory prediction module; the vehicle ETC can be identified by the ETC system through the vehicle pre-reading mechanism limited gate transaction antenna radio frequency signal, so that the effect of reducing the error toll collection is achieved.

The utility model discloses a three-dimensional heat dissipation structure of a power amplifier, belongs to the technical field of electronic communication, and aims to solve the problems that the heat dissipation and cooling effects are poor only by accelerating air flow, the air inlet size of a fan cannot be adjusted, and the operation of the power amplifier is easily influenced. According to the utility model, the slow flow mechanism is matched with the heat dissipation fan, when the heat dissipation fan accelerates air flow, the liquid inlet and the liquid outlet are externally connected with refrigeration equipment, cooling liquid enters the slow flow pipe from the liquid inlet, and air blown out by the heat dissipation fan is changed into cold air under the action of the cooling liquid and acts on the power amplifier body, so that the heat dissipation effect of the power amplifier body is improved. According to the power amplifier, the overall heat dissipation efficiency can be remarkably improved, so that the working temperature of the power amplifier is effectively reduced, meanwhile, the multiple upper baffles and the multiple lower baffles in the flow slowing pipe are matched, the flow speed of cooling liquid can be slowed down, flowing of the cooling liquid is more stable, the standing time of the cooling liquid in the flow slowing pipe is prolonged, the heat exchange efficiency is improved, and the heat dissipation effect is more efficient.

This invention discloses a planar resonator and filter, belonging to the field of electronic communication technology. The planar resonator is fabricated on a circuit board and consists of two metal strips with lengths ranging from 1 / 4λ to 1 / 12λ: a first metal strip and a second metal strip arranged in parallel and interleaved configurations. One end of the first metal strip is connected to an upper metal ground strip, while the other end is left unconnected; one end of the second metal strip is connected to a lower metal ground strip, while the other end is left unconnected. Using this resonator to construct a planar bandpass filter reduces the inherent size of planar filters, achieving miniaturization. Furthermore, by introducing transmission zeros through cross-coupling between the resonators, frequency selectivity is improved, and a higher level of stopband suppression is achieved, meeting the needs of a wider range of applications. The proposed planar resonator and filter design can be implemented in microstrip circuits, stripline circuits, and suspended microstrip circuits, and is applicable to both broadband and narrowband filter designs, showing broad application prospects.

This utility model relates to the field of electronic communication technology, specifically to an external POF port lightning protection circuit and device. The lightning protection circuit includes: a first varistor MOV1, one end of which is connected to the positive terminal of the power input, and the other end connected to ground; and a second varistor MOV2, one end of which is connected to the positive terminal of the power input, and the other end connected to the negative terminal of the power input. This utility model provides an external POF port lightning protection circuit and device, achieving efficient lightning protection through the combination of the first varistor MOV1, the second varistor MOV2, the third varistor MOV3, and a transient voltage suppressor TVS1.