61 results about "Morse code" patented technology

The present invention provides a digital full-bandwidth direct-forwarding radar transponder system and its working method, which proposes a brand-new radar transponder system architecture and a corresponding new Morse code recognition scheme. The system of the present invention adopts a direct-forwarding system architecture, which combines digital broadband DRFM real-time forwarding technology and a line-replacing-by-point coding response architecture. The transmitting and receiving antennas are independent and work simultaneously, directly and indiscriminately encoding and forwarding all radar interrogation signals within the working frequency band, achieving Morse coding of the response information while retaining the complete waveform information. The system of the present invention can be equivalent to a target with special target characteristics. When the radar signals within the working frequency band irradiate this target, echo signals with specified Morse code modulation characteristics will be generated.

The invention relates to the technical field of electroencephalogram analysis, in particular to an electroencephalogram-based Morse code training effect evaluation method and system.The method comprises the steps that firstly, an experimental normal form for evaluating the Morse code training effect is designed, and then a subject is recruited to carry out Morse code training; behavior data and electroencephalogram signals of the subject participating in the experiment at two time points before training is started and after training is finished are collected, and then the collected electroencephalogram signals are preprocessed; then the behavior data of the subject is analyzed, and the reaction time and the accuracy are analyzed; the significance change of the N200 component in the ERP before and after training and between different code speeds is explored; and analyzing brain network differences and brain network attribute change conditions before and after Morse code training by adopting a PLV brain network. According to the method, the change of the brain processing mode before and after MC training is discussed from the three dimensions of behavior data, an ERP curve and a brain network, and the method for objectively and effectively evaluating the MC training effect is found.

An audio authentication and identity verification system and method that encodes dynamic cryptographic information across the audible and inaudible spectrum (0 Hz→30 kHz, scalable to 124 kHz). A rolling acoustic signature simultaneously embeds identity, time, date, and GPS location using a hybrid of frequency shift keying (FSK), phase shift keying (PSK), Morse style pulse duration modulation, and time domain multiplexing. To guarantee post-event privacy and integrity, the system further incorporates a dual custody audio architecture in which every authenticated recording is split into complementary bit interleaved segments stored separately, and the decryption key is fragmented via Shamir 3-of-5 secret sharing—preventing unilateral access or tampering. The system establishes a tamper proof, real time, and offline capable authentication layer that functions in air, through conventional microphones, and via dedicated emitter hardware.

The invention provides a digital Reikang and a display method and system on a marine radar screen, and the method comprises the steps: replying a digital signal identification code containing a Reikang identity through wireless communication after the Reikang receives a main lobe trigger signal of a radar; and the radar decodes the digital signal identification code after receiving the digital signal identification code of the Reikang, and generates and displays a corresponding Morse code pattern in the radial outward direction at the screen position of the Reikang according to the distance and orientation of the Reikang acquired by the radar.

The invention provides an organic photoelectrochemical synaptic transistor and a preparation method and a regulation and control method thereof, and belongs to the technical field of transistors. The transistor comprises a substrate, a gate electrode, a source electrode, a drain electrode, an organic semiconductor channel layer and an electrolyte layer; according to the invention, various synaptic plasticity functions can be realized on a single synaptic transistor device through a simple and efficient preparation process; the method has the advantages of simplicity, high efficiency and convenience in large-scale integration. The synergistic effect of photons, electrons and ions is used as a regulation and control mechanism, a single-component n-type organic semiconductor is used as a channel layer material, voltage programming pulses are applied to a grid electrode, light irradiation is applied to a channel layer to simulate biological synaptic stimulation, output current is obtained at a source electrode and a drain electrode to simulate post-biological synaptic current, and the potential safety hazard is eliminated. Information encryption, compiling, hiding and recovery of the Morse code are simulated based on the output pulse current, and the method can be widely applied to the brain-like intelligence field of cognitive judgment with information double anti-counterfeiting encryption.

The invention relates to the technical field of digital information transmission, and discloses a Morse code encoding and decoding method and system based on artificial intelligence, and the method comprises the steps: converting text information into an initial dot symbol sequence according to a standard Morse code mapping table, collecting channel characteristic parameters and inputting the channel characteristic parameters into the lightweight decision tree model to determine a time sequence characteristic weight vector; optimizing the initial dot-drawn symbol sequence to generate an optimized dot-drawn symbol sequence; calculating an absolute transmission time length, dynamically adjusting a transmission power and a waveform envelope parameter in combination with a multipath fading coefficient of a channel, and generating a coded signal; and demodulating the received signal to obtain a time sequence feature weight vector used by a sending end, performing envelope detection on the baseband signal, segmenting according to the time sequence feature weight vector to obtain a dot symbol sequence, and converting according to a standard Morse code mapping table to obtain decoded text information. According to the method, the encoding and decoding problems of the Morse code in a dynamic environment are solved, and the method can be operated on edge equipment.

The invention discloses a digital baseband processing method and device for a very high frequency omnidirectional beacon signal and a receiver, and relates to the technical field of signal processing, and the technical scheme is characterized in that the method comprises the following steps: carrying out AM demodulation on a VOR baseband signal to obtain a VOR envelope signal; processing the VOR envelope signal through band-pass filters BPF1, BPF2 and BPF3 to obtain a variable phase signal, a first reference phase signal, Morse code audio and air-ground communication voice; performing FM demodulation on the first reference phase signal to obtain a second reference phase signal; and carrying out amplitude normalization on the variable phase signal and the second reference phase signal, then carrying out Ref-Var phase discrimination to obtain a phase difference between the two signals, and converting the phase difference into an azimuth angle of the aircraft. By adopting the digital design, the use of analog devices is reduced, the system integration level is increased, higher angle measurement precision can be obtained, and the navigation performance required by civil aviation area navigation can be better met.

The invention relates to the field of Morse telegraph communication, and discloses an AI-driven Morse telegraph automatic reading and sending method and system, which realize automatic sending and automatic reading in the Morse telegraph communication process in the field of short-wave communication. The method is realized through a full-automatic message reading and sending process: automatically sending a message, converting a message text into a Morse code sequence, and controlling a radio station to send the Morse code sequence; automatically copying and reporting, sampling a Morse audio signal output by a short-wave radio station, and decoding, reasoning and predicting a message text based on an AI model; in communication control, a half-duplex communication protocol is adopted to coordinate a full-automatic transceiving process. The invention also designs an AI-driven Morse telegraph automatic reading and transmitting system, which comprises a central processing module for executing half-duplex communication protocol logic; the telegraph sending module is used for controlling the PTT interface of the radio station to generate a pulse for sending a telegraph; the telegraph receiving module is used for converting the Morse analog audio signal into a digital audio signal; and the AI decoding module is used for reasoning and predicting a message text through a training model.

The application discloses a Morse code signal denoising method and system, and the method comprises a training stage and a use stage, wherein the training stage comprises: constructing an original dictionary for sparse expression of the Morse code signal; and performing dimension reduction on the constructed original dictionary to obtain a dimension reduction matrix and a low-dimensional dictionary; the use stage comprises: segmenting an input Morse code signal by using a sliding window to obtain a plurality of segmented signals; performing signal dimension reduction on each segmented signal by using the dimension reduction matrix to obtain a low-dimensional signal; establishing an optimization model, and performing operation by using the low-dimensional signal and the low-dimensional dictionary to obtain a sparse expression vector; and combining the original dictionary and the sparse expression vector to restore information after denoising of the input signal. The application can effectively suppress noise in the Morse code signal, improve signal processing performance and processing speed, and reduce required data quantity and training cost.

1. The name of the design product: Morse code card (word code). 2. The use of the design product: the font writing of the word code and the demonstration of the corresponding Morse code symbols. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: main view of component 2. 5. The design product is a thin product, and the left view, right view, top view and bottom view of components 1 to 27 are omitted.

1. Name of the designed product: ring (Morse code closed). 2. Use of the designed product: for ring. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses a wireless information transmission system based on electroencephalogram analysis, and the system comprises an electroencephalogram signal collection module which is used for collecting weak electroencephalogram signals on the scalp surface of a user in real time; the signal processing and feature extraction module comprises a self-adaptive filtering unit and a machine learning unit, and the self-adaptive filtering unit is used for carrying out dynamic noise suppression on the collected electroencephalogram signals; the machine learning unit adopts a support vector machine or a convolutional neural network algorithm and is used for performing feature extraction on the preprocessed electroencephalogram signals; the coding module is connected to the signal processing and feature extraction module and is used for converting the electroencephalogram signal into a Morse code according to the concentration state of the user; and the wireless transmission module is connected to the encoding module and is used for sending the encoded Morse code information to a receiving end in a wireless mode. According to the wireless information transmission system based on electroencephalogram analysis, the concentration state of a user can be converted into a Morse code, and the Morse code is transmitted to a receiving end in a wireless mode.

The embodiment of the invention is suitable for the technical field of artificial intelligence, and provides an artificial intelligence audio detection method, electronic equipment and a computer program product, and the method comprises the steps: obtaining a to-be-detected audio; extracting a plurality of audio feature vectors of the to-be-detected audio; under the condition that any audio feature vector is matched with a preset Morse code, determining that the to-be-detected audio is an artificial intelligence audio; wherein the artificial intelligence audio is an audio synthesized or generated by an artificial intelligence model. According to the embodiment of the invention, the detection efficiency and accuracy of the artificial intelligence audio can be improved.

The invention discloses an automatic Morse telegram communication method, which adopts a half-duplex communication mode and realizes automatic communication of Morse telegrams. The method comprises a link building communication stage and a text communication stage, a long code message format is adopted in the link building communication stage, and a short code message format is adopted in the text communication stage. In the link establishment communication stage, a double-layer CRC (Cyclic Redundancy Check) check, response confirmation and timeout retransmission mechanism is adopted to ensure reliable transmission of information; in the text communication stage, sub-package transmission and a unified response mechanism are adopted, and it is ensured that both real-time performance and reliability are considered in text transmission. The method effectively fills the blank of an automatic Morse telegraph communication protocol, and is suitable for application scenes needing automatic Morse telegraph communication, such as military, emergency rescue and the like.

1. Name of the product in this design: Pencil (Morse Code). 2. Purpose of this design: For writing text. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a kind of based on deep neural network's Morse code signal decoding method, comprising the following steps: S1, model training stage: the training data set comprising Morse code signal sample and corresponding label is constructed;Design deep neural network architecture, utilize training data set to optimize network weight, generate Morse code signal decoding model: comprising the following steps: S1.1, signal sample is generated;S1.2, model training;S2, real-time decoding stage: S2.1, STFT conversion;S2.2, signal segmentation;S2.3, data normalization;S2.4 is obtained by model inference Multi-channel sentence-level decoding result;S2.5 is obtained by code stream processing Multi-channel continuous decoding result.By the above mode, the present application can realize the end-to-end decoding of multiple Morse code signals simultaneously by combining time-frequency conversion with deep neural network, effectively solving the problem of continuous decoding of Morse code signals with different code rates in complex electromagnetic background environment.

The utility model discloses an automatic transmitting and receiving system for uniform-amplitude communication signals, which comprises a signal transmitting end and a signal receiving end, the signal transmitting end is in signal connection with the signal receiving end, and the signal transmitting end comprises a transmitter and a modulator. The signal receiving end comprises a receiver, a demodulator, a speech synthesis system, a processor and an error correction system. According to the utility model, the signal receiving end and the signal sending end are used for realizing automatic receiving and sending of the constant-amplitude communication signals, the voice synthesis system and the error correction system are additionally arranged in the signal receiving end, and the voice synthesis system can enable received information to be output through voice. This is very useful for visually impaired persons or in the case where it is inconvenient to read a screen, users can directly listen to information without manual decoding, saving time and effort, and voice output makes the system more friendly to users of different levels of ability, including those who may not be familiar with Morse codes.

The invention discloses a video stream coding and decoding method and system based on Morse coding encryption, belongs to the technical field of multimedia information security, and aims to solve the technical problems that the existing video sensitive information is easy to perceive in transmission and the anti-interception and anti-cracking capabilities are weak. According to the technical scheme, the method comprises the following steps: a transmitting end separates a secret data block of an original video from a carrier video, encrypts the secret data block, maps the encrypted secret data block into an emoticon sequence, steganoscopes synchronous information to the carrier video, and separately transmits the synchronous information through two channels; and the receiving end extracts the synchronization information to reconstruct the mapping password book, analyzes the emotion icon sequence to obtain ciphertext data, and fuses the secret data blocks back to the carrier video after decryption to reconstruct the complete video. According to the method, the anti-interception and anti-cracking capability is improved through dual-channel separation transmission and dynamic mapping of the password book, the carrier video keeps visual coherence, secret transmission is prevented from being perceived, and the method is suitable for a high-safety video transmission scene.

The embodiment of the invention relates to the technical field of positioning, in particular to an enhanced positioning system combining broadband digital radio frequency storage and forwarding and ship MMSI codes, which comprises a ship radar system and a radar transponder, the ship radar system is composed of an MMSI code coding module, a modulation module, a transmitting module, a receiving module, a clock synchronization module and an MMSI code verification module. The radar transponder is composed of an antenna module, a radio frequency transceiver module and a signal processing module. The ship radar system encodes the MMSI code of the ship into a Morse code, modulates the Morse code into a radio frequency signal, transmits the radio frequency signal to the outside, receives a forwarding signal from a radar transponder, and verifies whether the MMSI code in the received forwarding signal corresponds to the MMSI code of the ship; the radar transponder receives radio frequency signals with MMSI codes from a plurality of ships in real time, and transmits forwarding signals with the MMSI codes when the signals need to be forwarded. The system effectively avoids signal confusion and has good multi-target processing capability.

According to the improved gun-shaped signal lamp and the control method thereof, data are collected in real time through ambient light and a distance sensor, dynamic calculation and adjustment are carried out based on a constructed light intensity and beam angle algorithm model, it is ensured that optical signals can keep optimal visibility under any environmental condition and meet the aviation standard, and the control method is simple and convenient. The problems of fixed signal strength and poor adaptability of the existing equipment are solved; remote control and data interaction are achieved by means of the wireless communication module, command flexibility is improved, meanwhile, the data processing module supports pre-storage and automatic execution of complex Morse codes or user-defined optical signal sequences, and the accuracy and efficiency of communication are greatly improved; the intelligent power management and safety module is introduced, the state of the system and the electric quantity of a battery are monitored in real time, and a fault self-checking and energy-saving strategy is implemented, so that the availability and the cruising ability of the equipment at a critical moment are remarkably enhanced.

The utility model belongs to communication equipment technical field discloses morse code training manual key, the utility model discloses a base is installed with the training mechanism of manual sending morse code on the upper surface of base, the inside installation of base has the reset mechanism of push training mechanism and carry out automatic reset, the inside installation of training mechanism has the stroke adjusting mechanism of limit training mechanism rotary position, the upper surface installation of training mechanism carries out the shielding protection of training mechanism internal equipment protection mechanism, through pressing training mechanism makes training mechanism send the sound, makes the subsequent trainer through judging the sound that training mechanism sent draws oneself sending morse code whether correct, thereby makes the user complete to send morse code training, through training mechanism and copy morse code telegraph transmitter, again through training mechanism small and exquisite, makes the device in the process of using can carry on training personally, thereby improved the practicality of the device.

The application discloses a kind of morse code fast identification method, comprising: with the signal-to-noise ratio of different stages of morse code audio message is divided into multiple audio message sections and is respectively cached;According to the average signal-to-noise ratio of each message section, determine the corresponding noise reduction threshold;Using noise reduction threshold eliminates each message section noise to obtain pure each target message section bit stream;From message database, find the message section bit stream matched with each target message section bit stream;If find the message section bit stream matched with each target message section bit stream, then according to the reference time interval of each type message section bit stream found, process each target message section bit stream;Otherwise, generate each type reference time interval, then utilize the generated each type reference time interval to process each target message section bit stream.

The invention provides a visual data chain behavior control method and system oriented to lamplight semantics, a semantic library is stored on a visual data chain terminal, after the visual data chain terminal generates semantic information, the corresponding semantic information in the semantic library is selected, and is converted into a dot sequence by using a Morse code rule; and a light intensity sequence is generated from the dot division sequence through a K-means clustering algorithm, the light intensity sequence outputs high and low levels through a light intensity controller, and the high and low levels control flicker of the LED lamp to send light semantic information. According to the method, an intelligent algorithm is combined with a mature Morse code technology, semantic behavior expression can be carried out under the condition of spectrum denial or electromagnetic communication unavailability, and compared with other behavior expression modes, the method has the advantages of being high in behavior control accuracy, high in anti-interference capacity, low in cost, easy to operate and the like; the problem that effective communication cannot be carried out under the condition of strong interference in current electromagnetic communication is solved.

The invention provides a communication message generation method and device and a readable storage medium, and the method comprises the steps: receiving a generation instruction submitted by a user based on a webpage, and generating a plurality of groups of messages according to the generation instruction; according to a preset Morse code dictionary, converting the plurality of groups of generated messages into messages with only points, strokes, characters and words; sound lengths corresponding to points, strokes, characters and words in the converted message are defined; obtaining a target sound corresponding to the converted message according to the sound length and a standard sound generated in advance on 440 Hz; and matching the target sound according to the rule of the communication message, and playing the target sound. According to the method, the device and the readable storage medium, the problems that in the prior art, due to long-term use of a mechanical transmitter, the body of a telegraph officer is greatly abraded, a mechanical device is heavy and not easy to carry, installation and debugging are needed when various software is adopted for simulating transmission, and the development cost and maintenance are high can be solved.

The invention discloses an in-situ Morse code fast addressing microarray chip unit and a preparation method thereof, the microarray chip unit comprises a super-wetting microchip array substrate and a super-wetting microchip array which is coded by referring to Morse codes, and the chip unit on a two-dimensional plane is combined with the pattern characteristics of the Morse codes. The whole chip array is divided into a plurality of areas, and the chip units in each area can be marked and positioned by using characters and numbers of Morse codes. And after the chip array substrate is subjected to ultraviolet radiation through the mask plate, forming the patterned array chip of the Morse code. The method does not depend on time-consuming and labor-consuming positioning means such as global scanning imaging and manual counting, meanwhile, the coding mode of Morse coding is combined with existing patterns in an array, the coding positioning position can also serve as a detection part, coding positioning and detection are integrated, scanning of a microscope can be efficiently and accurately guided, and the detection accuracy is improved. And the occupation of the detection area can be minimized.

1. The name of the design product: Morse code card (short code). 2. The use of the design product: the font writing of short code and the demonstration of corresponding Morse code symbols. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: main view of component 2. 5. The design product is a thin product, and the left view, right view, top view and bottom view of components 1 to 11 are omitted.

The invention is an adjunct system used in conjunction with a Morse code communications system to provide touch and sight sensory outputs that mirror a Morse code signals audible code-element output.

The invention discloses a VOR near-field signal demodulation method, a receiver, a medium and a program product, and relates to the technical field of signal processing, and the method comprises the steps: carrying out the frequency mixing of VOR near-field signals, and obtaining a first frequency mixing signal; filtering the first frequency mixing signal to obtain a direct current signal, a 30Hz reference phase signal and a 1020Hz Morse code signal in sequence; performing frequency mixing on the VOR near-field signal and a cosine signal with the frequency of fc + fs and a cosine signal with the frequency of fc-fs to obtain a second frequency mixing signal and a third frequency mixing signal; processing the second frequency mixing signal and the third frequency mixing signal through a third band-pass filter to obtain a first frequency modulation signal and a second frequency modulation signal; performing Fourier transform on the direct current signal, the 30Hz reference phase signal, the 1020Hz Morse code signal, the first frequency modulation signal and the second frequency modulation signal to obtain first parameter information, second parameter information and third parameter information; and performing data processing on the first parameter information, the second parameter information and the third parameter information to obtain a demodulation result of the VOR near-field signal.

The utility model relates to the technical field of interactive equipment, and discloses a Morse code telegraph transmitter, which comprises a transmitter body. The text display area comprises letters and Morse codes; the loudspeaker is arranged in the machine body; the microphone is arranged in the machine body; the microphone button is arranged on the upper end surface of the machine body; the Morse code button is arranged on the upper end surface of the machine body and is pressed down to form a Morse code; the Morse code display lamp is arranged on the upper end surface of the machine body and is used for displaying the Morse code formed by pressing the Morse code button in real time; the control circuit board is used for receiving signals and outputting the signals. According to the utility model, visual contrast is realized, and a user can be trained to be familiar with the Morse password quickly.

The application relates to the technical field of digital information transmission, and discloses a Morse code encoding and decoding method and system based on artificial intelligence, which comprises the following steps: converting text information into an initial dot-dash symbol sequence according to a standard Morse code mapping table, and collecting channel characteristic parameters to input a light decision tree model to determine a time sequence characteristic weight vector; optimizing the initial dot-dash symbol sequence to generate an optimized dot-dash symbol sequence; calculating an absolute sending time length, combining a multipath fading coefficient of a channel to dynamically adjust sending power and waveform envelope parameters, and generating an encoding signal; demodulating a received signal to obtain a time sequence characteristic weight vector used by a sending end, performing envelope detection on a baseband signal, and obtaining a dot-dash symbol sequence according to the time sequence characteristic weight vector, and converting to obtain decoded text information according to a standard Morse code mapping table. The application solves the encoding and decoding problems of the Morse code in a dynamic environment, and can run on an edge device.