13results about How to "Accurate decoding" patented technology

The embodiment of the invention provides a method, device and equipment for converting a text into voice and a storage medium. The method comprises the steps of obtaining a target text, and determining semantic information corresponding to the target text; the semantic information is processed through a voice word segmentation device in a target large language model, a discrete voice token corresponding to the target text is obtained, and the discrete voice token comprises coding information corresponding to the semantic information; based on the coding information, determining position information corresponding to the discrete voice token; the discrete voice token is predicted through a vocoder in the target large language model, and a voice signal corresponding to the discrete voice token is obtained; and the sorting module is used for sorting the voice signals according to the position information to obtain a target voice stream corresponding to the target text. The embodiment of the invention aims to realize relatively strong semantic association in the process of converting the text into the voice, and improve the accuracy and efficiency of converting the text into the voice.

The application relates to the field of backscatter technology and discloses a single-receiver WiFi backscatter communication method and system, which comprises the following steps: a tag receives OFDM symbols from ambient WiFi signals, a linear phase factor corresponding to a tag-related cyclic shift value is applied to only the middle part of a data load, and the OFDM symbols of a reflection signal are reconstructed based on the middle part of the modulated data load; a receiver extracts the modulated part from the received OFDM symbols of the reflection signal, performs frequency domain inverse shift compensation on each candidate cyclic shift value, obtains a reconstructed data load based on the obtained compensated spectrum, calculates the correlation score between the power spectrum of the reconstructed data load each time and a binary template predefined based on the position of the empty subcarrier, decodes the cyclic shift value, and recovers the corresponding tag data. The application can realize a high data throughput without sacrificing OFDM compatibility.

The invention relates to a voice-based self-service wine selling device and method for self-service wine taking. The voice-based self-service wine selling device comprises a wine storage cavity, a data acquisition module, a wine amount calculation module, a two-dimensional code generation module, a locking module and a display module, a wine cover is arranged at the top of the wine storage cavity, a wine outlet module is arranged at the position, close to the bottom, of the wine storage cavity, a wine outlet is formed in the wine outlet module, a wine taking module is arranged below the wine outlet, the data acquisition module and the wine amount calculation module are arranged in the wine cover, and the data acquisition module is connected with the wine amount calculation module. The wine amount calculation module is connected with the two-dimensional code generation module, the two-dimensional code generation module is connected with the locking module, the locking module is connected with the wine taking module, and the two-dimensional code generation module is connected with the display module. By means of the device, automatic wine taking is achieved, cost calculation is automatically conducted, and a user conducts the whole process from wine taking to payment in a self-service mode.

The utility model discloses a multi-channel network power amplifier device which comprises a shell, a front cover is movably connected to the side face of the shell in a penetrating mode, a rear cover is movably connected to the other side of the shell in a penetrating mode, an input board is movably connected into the shell, and a plurality of input channels are fixedly connected to the side face of the input board. The side face of the input board is movably connected with a first data line, the upper end of the input board is movably connected with a control board, symmetrical positioning boards are fixedly connected in the shell, power amplifier modules are movably connected in the positioning boards, symmetrical ventilation holes are formed in the side face of the shell, symmetrical sliding grooves are movably connected in the shell, and the power amplifier modules are movably connected in the sliding grooves. Symmetrical fan covers are fixedly connected into the shell, and motors are fixedly connected to the side faces of the fan covers. Through the structure, efficient transmission and accurate decoding of multichannel audio signals are guaranteed, internal heat is effectively discharged, elements are prevented from being overheated, and the use stability and cruising ability of equipment are enhanced.

The invention discloses a decoding method of a periodic variable interval laser code. The decoding method comprises the following steps: S1, determining a required maximum decoding bit N; s2, the minimum array length S of the collected pulses is judged according to the maximum decoding bit N, and if N is an even number, S = N + 2; if N is an odd number, S = N + 1; s3, judging whether the front S / 2 pulse sequence and the rear S / 2 pulse sequence in the array are the same or not, if yes, resolving a code pattern and recording the sequence, and if not, performing the next step; s4, calculating whether S is equal to 2N or not so as to judge whether the maximum decoding length upper limit is reached or not, and if S is equal to 2N, indicating that the decoding capability is exceeded if the maximum decoding length upper limit is reached; and if S is not equal to 2N, adding two pulse intervals to the array, and repeating the steps S3 to S4 until decoding is completed. According to the method, the decoding speed is high, decoding can be carried out in two maximum decoding periods, and decoding is accurate.

The present invention discloses a radio frequency identification decoding circuit, method and radio frequency identification device. A radio frequency identification decoding circuit includes: a synchronization module, a clock generation module and a decoding control module; the synchronization module is used to synchronize the data signal demodulated by the radio frequency identification circuit to the clock domain of the radio frequency identification circuit, and send the synchronized data signal to the clock generation module and the decoding control module; the clock generation module is used to divide the frequency based on the clock signal of the radio frequency identification circuit to obtain the divided clock signal, wherein the synchronized data signal is used as an asynchronous setting signal of the divider, and there is a preset time interval between the divided clock signal and the synchronized data signal; the decoding control module is used to decode the synchronized data signal according to the divided clock signal. The radio frequency identification decoding circuit, method and radio frequency identification device disclosed in the embodiments of the present invention can achieve correct decoding within a larger Pause width range.

A first base station (106) operates as an auxiliary receiver to intercept portions of a data stream (105b) as one or more code shortened portions of the data stream, where a source device (104) is sending the data stream (105a) on the uplink to a second base station (102). The data stream sent from the source device may be addressed to a destination device (110) and may comprise code words. Upon intercepting the one or more code shortened portions of the data stream, the first base station may send the intercepted one or more code shortened portions of the data stream onward through a network (112) to the destination device. The destination device may then use data redundancy provided by the intercepted one or more code shortened portions of the data stream and the original data stream for enhanced decoding of redundant portions of the data stream.

The present application relates to a method and system for Manchester decoding with a configurable detection interval, which includes presetting the transition edge sampling intervals of different type fields in the Manchester code; performing transition edge detection of level transitions on the transition edge sampling intervals of each type field respectively through a synchronous clock of a preset rate; when a transition edge is detected in the type field, a corresponding control instruction is issued to control the decoding counter corresponding to the type field to perform counting operations, output multiple single-cycle decoding pulse signals and store decoding values, wherein the output counting operation includes counting start, counting accumulation and counting reset; when the decoding counter outputs a decoding pulse signal of a 17-bit Manchester code, the decoding counter count is reset to zero, and it is determined that the decoding of a message word of the transmitted data is completed. The present application has the effect of adapting to the deviation of the Manchester code transition during data transmission and improving the success rate of Manchester code decoding.

This invention provides an automatic billet information tracking and receiving / sending control method based on a steel rolling heating furnace, relating to the field of steel production technology. The method includes the following steps: Step 1: Receiving billet coding information from the steelmaking system via a gateway communication device between steelmaking and rolling; Step 2: Determining if the coding information is correct. If it does not conform to the rules, the system returns to receive the coding information again and returns an error instruction to the steelmaking system; Step 3: Upon receiving data that conforms to the rules, the system calls the information decoding module to perform protocol decoding on the received data; Step 4: Generating a tracking sequence from the decoded data according to the data definition. This invention quickly, accurately, and in real-time decodes the billet coding data sent from the steelmaking system, achieving fully automatic billet tracking from the hot conveyor roller to the furnace. It then matches the weighing, length measurement, and temperature data with the steelmaking flow data, re-matches and returns the data to the steelmaking system, facilitating collaborative work between the steel rolling and steelmaking systems.

The application provides a non-contact eye movement tracking device, a control input system and a method, and belongs to the technical field of visual tracking. The device comprises a sensing interface array and a wearing device, the sensing interface array is attached to the wearing device, the sensing interface array comprises sensing electrodes and a transparent support layer, the sensing electrodes are attached to the transparent support layer, the sensing electrodes are covered with dielectric material, the surface of the dielectric material can maintain static electricity and generate an electric signal when the eye movement is performed. The device uses a transparent sensing interface array placed in front of the eyes, generates mutual induction with the fluctuation movement of the skin around the eyes in the form of a space electric field when the eyes move, and couples and decodes the multiple signals generated by the mutual induction, so that accurate identification of blinking and eyeball rotation is realized, and a mouse input system controlled by eye movement is formed.

The invention provides a Parkinson's disease patient demand identification method based on a language enhancement technology, and belongs to the technical field of deep learning language processing. Firstly, continuous vowel sounds and repeated syllable sounds of a Parkinson patient are collected; preprocessing the voice data to obtain standard input data; inputting the data into a model obtained by training, and outputting a demand category of the patient; the designed demand identification model comprises an encoder module, a decoder module and a patient demand identification module; inputting the continuous vowel data and the repeated syllable data into a trained encoder module to obtain fusion features; inputting the fusion features into a trained patient demand identification module to output a patient demand category; the decoder module is used for obtaining reconstructed features, and the reconstructed features utilize a loss function to restrain and guide the expression of the encoder output features. According to the language enhancement technology designed by the invention, through a series of innovative methods, the accuracy and efficiency of identifying the requirements of the Parkinson's disease patients are effectively improved.

The application provides an audio data processing method and device for sound wave communication and a storage medium, which comprises the following steps: obtaining initial communication text to be sent, and performing encoding processing on the initial communication text to determine the encoding data corresponding to the initial communication text; the encoding data comprises at least one of check bit data and error correction code data corresponding to the initial communication text; performing frequency conversion on the encoding data to determine the frequency data corresponding to the encoding data; performing audio generation processing on the frequency data by using a pulse code modulation mode and a sine wave function to determine the audio data corresponding to the frequency data; the audio data comprises multiple syllables, and the volume change trend of each syllable from the beginning to the end is first large and then small; the audio data is sent to a receiving end device; and the audio data is used to enable the receiving end device to decode the audio data and then perform sound wave communication. The technical scheme can improve the success rate of sound wave communication.

The application discloses a behavior analysis method, system, device and medium based on multi-modal data. The method comprises the following steps: extracting a behavior label corresponding to each frame of image in animal behavior video data, and constructing a behavior label sequence; aligning a neuron calcium activity time sequence in a standardized neuron calcium activity time sequence dataset with the behavior label sequence, and obtaining an aligned structured data table; taking the aligned neuron calcium activity time sequence as a feature of a node, and constructing a weighted graph structure; training a cascaded graph convolution network, a graph sampling aggregation network and a graph attention network according to the weighted graph structure and the aligned behavior label, and obtaining a trained graph convolution network, a trained graph sampling aggregation network and a trained graph attention network, so as to perform behavior prediction on a neuron calcium ion fluorescence signal value to be predicted, and obtain a behavior prediction result. The application can improve the behavior analysis accuracy.