1059 results about "Data bits" patented technology

The invention relates to the technical field of industrial robots, in particular to an industrial robot disordered grabbing system and method based on multi-modal sensing, and the system comprises a multi-modal sensing module, a pose estimation and correction module, a grabbing task planning module and a mechanical arm execution module. The multi-modal sensing module is used for acquiring RGB image data, depth image data, point cloud data and force / torque data in a working environment, and the pose estimation and correction module performs feature extraction and fusion on multi-modal data based on topology invariant mapping and performs adaptive pose estimation on a target object. The grabbing task planning module generates an optimal grabbing strategy based on deep reinforcement learning and outputs a grabbing control instruction, and the mechanical arm execution module receives the grabbing control instruction, controls a mechanical arm to execute a grabbing action and monitors a grabbing state through force / torque feedback. And the environmental adaptability and the perception robustness are improved.

The invention relates to the technical field of slope disaster monitoring, particularly provides a slope landslide geological disaster monitoring method and system based on image intelligent identification, and solves the problems that image identification and hyperspectral analysis are depended, multi-modal data fusion is lacked, and the monitoring accuracy is high. The method comprises the following steps: acquiring multi-modal data through an unmanned aerial vehicle hyperspectral camera, a ground image sensor, a vibration sensor, a displacement sensor and a meteorological sensor; carrying out denoising, calibration and formatting processing on the acquired multi-modal data; extracting landslide related features from the image data, the hyperspectral data, the vibration data, the displacement data and the meteorological data; fusing the multi-modal data through an intelligent fusion algorithm to generate a landslide risk assessment result; and early warning information is generated according to a landslide risk assessment result, and an emergency response mechanism is triggered, so that the precision and efficiency of image recognition and hyperspectral data analysis are improved, and the real-time performance and response speed of the system are improved.

The embodiment of the invention provides a data tracking circuit, a data tracking processing method, a chip and electronic equipment, the data tracking circuit comprises a selection module and a packaging engine module, tracking source data is received and selected to be output as tracking data through the selection module, the packaging engine module packages the tracking data to generate corresponding data frames, and the corresponding data frames are stored in the storage module. The data frames comprise the identifiers used for identifying the types of the data frames, the larger the number of the data frames of the same type is, the shorter the data bit width of the identifiers of the data frames of the type is, compared with identifiers of fixed lengths, the lengths of most identifiers can be shortened, the data size of the data frames is reduced on the whole, and the data transmission efficiency is improved. And thus, the bandwidth required by the packaged data frame is also reduced.

The invention relates to the technical field of computer hardware and network communication, in particular to a high-speed I / O (input / output) virtualization server based on an FPGA (field programmable gate array) and a remote forwarding method.The high-speed I / O virtualization server comprises an FPGA chip, a network processing unit, an I / O protocol processing unit, a protocol conversion and scheduling unit, a time sequence and transaction management unit and a data buffering and flow control unit are integrated in the FPGA chip; the optical fiber Ethernet interface module comprises a physical layer interface and an MAC layer processing and network configuration interface; the local I / O interface module comprises a USB interface circuit, a serial port interface circuit, a PCIe interface circuit and an interface expansion connector; the power supply and monitoring module comprises a multi-path power supply management system, a state monitoring and diagnosis system and an LED indication system; according to the self-adaptive Baud rate detection circuit, the Baud rate can be accurately locked under the condition that data with less than two characters is received, the number of data bits, the type of a check bit and the length of a stop bit are automatically identified, and compared with a traditional microcontroller scheme, the self-adaptive Baud rate detection circuit has higher precision and higher detection speed.

The invention discloses a robot track online compensation and precision control method and system based on multiple sensors, and belongs to the technical field of robot track control. The method comprises the following steps: acquiring target trajectory data and original data of each sensor, and performing time alignment on the original data of each sensor to generate a fusion data set comprising vibration acceleration data and pose data; performing time-frequency feature extraction based on the vibration acceleration data to obtain a dominant vibration frequency spectrum; constructing a mechanical transfer function model of the joint driving torque and the tail end vibration displacement; based on the mechanical transfer function model, constructing an adaptive notch filter to generate a feed-forward compensation sequence; according to the target trajectory data, the pose data and weight parameters, updated in real time, of the sensors, a trajectory fusion deviation value is obtained through calculation; and after the feedforward compensation sequence and the trajectory fusion deviation value are integrated, a joint driving current instruction is generated based on a fuzzy PID control algorithm. The robot trajectory control precision can be improved.

The invention provides an anti-interference serial port communication method and system for an industrial-grade wireless module, and the method comprises the steps: collecting interference data in the serial port communication of the industrial-grade wireless module in real time based on a multi-dimensional interference feature collection module, and forming a multi-scale interference feature vector; inputting the multi-scale interference feature vector into a Mamba communication state space model fused with a CRC (Cyclic Redundancy Check) mechanism, and predicting a potential interference mode through linear complexity time sequence modeling; based on an adaptive weight transmission optimization function, carrying out dynamic weighting adjustment on the transmission parameters in the potential interference mode; wherein the transmission parameters comprise a baud rate, a data bit length, a verification mode and a retransmission strategy. According to the invention, hardware cost does not need to be increased, and the cost of anti-interference serial port communication is reduced; meanwhile, based on an adaptive weight transmission optimization function, dynamic weighting adjustment is carried out on transmission parameters in a potential interference mode, and interference dynamic changes are tracked in real time to carry out anti-interference communication.

The invention provides a model training method and device, equipment and a storage medium, and relates to the technical field of computers, in particular to the technical field of neural network models and model training. The specific implementation scheme is as follows: a calculation unit executes quantization matrix multiplication based on Hadamard pre-transformation on an activation tensor and a weight tensor of a target model stored in a memory so as to generate an output tensor of a linear layer based on a low-precision tensor with smaller data bit width; using the output tensor and a subsequent network layer of the target model to complete forward propagation so as to obtain a loss value; and according to the loss value, updating model parameters of the target model stored in a memory through a back propagation algorithm. By means of the technical scheme, on the premise that the model training precision is guaranteed, memory resource occupation and the calculation amount in the calculation process can be remarkably reduced, and the training cost is reduced.

The invention provides a weight quantification method and device based on mixed segment coding and a server, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a to-be-processed floating point weight and an activation value; based on the Laplacian distribution of the floating point weights, carrying out hybrid segmented coding processing on the floating point weights to obtain a coding weight set in a quantization weight coding format; and determining a multiplication coefficient and a shift value of the coding weight based on the identification bit, and carrying out multiplication and addition calculation processing on the activation value and the weight information in the data bit based on the multiplication coefficient and the shift value to obtain an output activation value corresponding to the coding weight. According to the method, the quantization precision of the neural network can be remarkably improved, and the quantization error is reduced while the compression ratio is not changed.

The invention relates to a data bit width dynamic compression and decompression method for an edge computing system while drilling, and belongs to the technical field of data compression and storage. The method comprises the following steps: traversing a data set to be compressed, and taking any value smaller than the maximum value in the data set to be compressed as a reference value; calculating a difference value between each piece of data in the to-be-compressed data set and the reference value to obtain a plurality of pieces of differential data, and determining a target storage bit width according to a storage bit width corresponding to a maximum value in the differential data; and by taking the target storage bit width as a reference, encoding each piece of differential data to obtain a plurality of pieces of encoded data, and arranging the plurality of pieces of encoded data into a data stream according to an output sequence. According to the invention, the technical problem of low compression efficiency or key information loss easily caused by a compression method based on fixed reference differential coding in the prior art under the condition of coexistence of data local stability and local abrupt change is solved.

The invention discloses a DALI (Digital Addressable Lighting Interface) data frame decoding method for Manchester encoding, which solves the problems of poor universality and high bit error rate caused by a fixed clock in the traditional method. The method comprises the following steps: receiving a DALI frame containing a start bit, a data bit and a stop bit; identifying a start bit, measuring the low level length of the start bit for multiple times, taking extreme values Tmax and Tmin, and checking the ratio (1lt; tmax / Tminlt, Tmax / Tminlt; 1 + n) and then T = (Tmax + Tmin) / 2 is calculated; setting two judgment intervals [T-nT, T + nT) and [2T-nT, 2T + nT) (0lt; nlt; 0.5) judging that the duration of the adjacent jump edge is T or 2T; counting edge overturning times in a 2T window from the middle moment of a data bit, keeping a logic value unchanged in two times, and performing negation in one time; and a stop position is detected through 4T in a non-jump manner. Through dynamic time sequence calibration and adaptive decoding, the decoding reliability in a complex environment is improved, the bit error rate is reduced, and the stability and universality of data transmission of the intelligent lighting system are enhanced.

The invention provides an isomorphic sensor dexterous hand-tactile glove system and a data acquisition method, and belongs to the technical field of tactile sensing, the system comprises a tactile data acquisition module which comprises a glove main body and a fixed flange arranged on the glove main body, a tactile sensor array is arranged on the palm side of the fixed flange and used for collecting tactile data of interaction between the glove body and an object; the visual perception module comprises an infrared camera array and an RGB (Red, Green and Blue) camera array, and is used for tracking marking balls arranged on the fixed flanges so as to solve pose data of the fixed flanges and collecting RGB images of interaction between the glove main body and an object; and the multi-modal data processing module is used for receiving the tactile data, the pose data and the RGB image, realizing space-time alignment of the data and generating a standardized data set. The system is simple in structure, rapid in deployment and high in acquisition safety, and can be suitable for tactile big data acquisition under multi-scene and multi-task conditions.

A method and apparatus for receiving a PPDU in a wireless LAN system are provided. Specifically, a receiving STA receives a PPDU from a transmitting STA via a first frequency band and decodes the PPDU. The PPDU includes a preamble and a data field. The first frequency band includes a first sub-block and a second sub-block. The data field includes first data for the first sub-block and second data for the second sub-block. The first data is generated based on data in which constellation mapping is performed on coded data bits. The second data is generated based on data obtained by replicating the first data and applying phase rotation to the data.

The invention discloses a garbage collection optimization method and device, equipment and a medium. The invention relates to the technical field of solid state disks, which comprises the following steps that: a global invalid data bit chart is established in a host memory, each table item in the global invalid data bit chart corresponds to a physical block, and a bitmap bit in each table item corresponds to a physical page in the physical block; bit values corresponding to the bitmap bits comprise a first bit value and a second bit value; responding to a data updating event through an access acceleration engine so as to dynamically update the bit value of the corresponding physical page in the global invalid data bit graph; and when garbage collection is triggered, screening the physical page of which the bit value is the second bit value in a to-be-collected source physical block according to the global invalid data bit chart and the access acceleration engine to perform validity verification and data migration, and skipping the physical page of which the bit value is the first bit value. According to the invention, the garbage recycling efficiency is improved.

The invention relates to the technical field of communication, and discloses an AI-based adaptive data encryption method and system, and the method comprises the steps: carrying out the frequency domain transformation analysis of an original data flow, and generating a spectrum distribution feature set; the carrier frequencies are screened through a dynamic frequency selection algorithm to obtain an optimal carrier frequency range; performing phase modulation on the data bit stream, and embedding the data bit stream into a subcarrier in an optimal carrier frequency range to generate a first encrypted data stream; when the interference intensity exceeds an interference threshold value, performing directional adjustment on a frequency deviation parameter according to an interference type, and generating a second encrypted data stream; dynamically adjusting the frequency distribution parameters according to the transmission distance data to obtain a frequency distribution parameter set; and performing adaptive modulation and spectrum shaping on the second encrypted data stream based on the frequency distribution parameter set, and outputting a hidden transmission data stream. The method has the following effect that the data hidden transmission capability and the receiving and restoring accuracy in a complex environment can be improved.

A transmitter system comprises a mapper configured to map data bits and power information to multiple subcarriers, producing mapped information. A first-level modulator converts this mapped information into subcarrier specifications, each defined by a complex number indicating amplitude and phase. The system includes multiple data stream / power channel digital paths, each with a frequency selector that processes a portion of the subcarrier specifications. An orthogonal subcarrier generator translates these specifications from frequency to time domain, generating baseband real and imaginary signals. A second-level modulator processes these signals with intermediate-frequency sine and cosine waves to produce IF I and IF Q signals. A beamformer modifies the phase and / or amplitude of these signals across multiple antenna channels, creating directed signals. Finally, a combiner adds output signals from each data stream / power channel digital path, directing them to corresponding antenna channel modules, facilitating efficient transmission across multiple channels.

Embodiments of the present disclosure relate to the technical field of semiconductors, and provide a memory and a memory device wherein the memory comprises: a plurality of memory cells arranged in an array and configured to read data stored in the memory cells from bit lines to a first data bus when the memory cells are selected; the setting circuit is connected with the first data bus, receives a setting signal, and is configured to switch on the first data bus and output a first data bit when the memory is in a first mode, and switch off the first data bus and output a preset data bit when the memory is in a second mode; wherein the first mode is a normal reading mode, and the second mode is a duty ratio training mode. Therefore, the setting circuit is arranged on the first data bus, the first data bus can be selectively switched on or switched off and the corresponding data can be output in different working modes of the memory, the first data bus is shared, and the area of the memory is saved.

The invention provides a communication method, a communication device, a slave and a multi-split system. The communication method comprises: in response to preemption communication data sent by a main control chip, detecting data of a communication bus, the preemption communication data comprising preemption frame data and reply data, the preemption frame data defining a priority of the preemption communication data, the preemption frame data comprising a plurality of preemption bytes, each preemption byte characterizing a data bit, and the reply data representing the priority of the preemption frame data; each preemptive byte is composed of a plurality of current signals; sending the preemptive frame data to the communication bus according to the data state on the communication bus, so that the communication bus performs priority judgment according to the current signal in the preemptive frame data and displays the preemptive frame data with the highest priority; detecting preemptive frame data on the communication bus; comparing the preemptive frame data on the communication bus with the preemptive frame data in the preemptive communication data; and sending reply data to the communication bus under the condition that the preemptive frame data on the communication bus is the same as the preemptive frame data in the preemptive communication data.

The embodiment of the invention provides a single-bus communication method and device, a chip and a medium, and the method comprises the steps: enabling a host to enter an initialization mode after the host confirms that an internal power supply and a clock of a slave are stable; the host sends a wake-up code to the slave within a set time to wake up the slave, and releases the bus to enter a normal communication mode; the host sends a communication signal to the slave through the improved communication frame; after the host receives a response signal of the slave, the host releases the bus, the bus is pulled to a high level from an external pull-up resistor, and the transmission is ended; wherein the format of the improved communication frame comprises ten codes, one code corresponds to one bit, and the ten codes sequentially comprise one start bit, six address bits, one read-write control bit, one data bit and one response bit. A wake-up code is set before communication between the host and the slave, so that the slave is prevented from being mistakenly waken up. According to the communication mode, the coding mode is simplified, the chip area is reduced, and the transmission speed of the chip is also improved.

The invention relates to the technical field of data processing and provides a device and a method for high-speed input and output. In one embodiment, an apparatus includes a cross-clock-domain transmission logic to periodically receive N beats of input data of single N bits according to a write clock signal, and to individually write the input data bitwise to the cross-clock-domain transmission logic according to a value of each bit in the N-bit write enable control signal, and to transmit the input data to the cross-clock-domain transmission logic according to a value of each bit in the N-bit write enable control signal. Reading as output data according to a read enable control signal; and the cross-clock-domain sending control logic is used for writing a write enable control signal into the cross-clock-domain sending control logic, reading as a gating signal according to the read clock signal, and gating the read clock signal according to the gating signal to obtain a read enable control signal, and the frequency ratio of the read clock signal to the write clock signal is N. Therefore, cross-clock-domain interaction of the read-write pointers is avoided, the logic depth and the chip complexity are reduced, and the speed can be increased and the power consumption can be reduced.

The invention provides a 200GE service data transmission method based on 224G high-speed SerDes, a chip and a communication system, and the method comprises the steps that a PCS sending module carries out PCS sending processing on obtained upstream data to obtain first PCS data; the PCS sending module sends first PCS data to the PMA sending module through the rate increasing module according to the first PCS clock rate and the first PCS data bit width; the rate increasing module determines first clock information according to the first PMA data bit width, the first PMA clock rate, the first PCS clock rate, the first PCS data bit width and the set bandwidth so as to increase the first PCS clock rate; the PCS sending module sends first PCS data according to the first PMA data bit width and the improved first PCS clock rate; the PMA sending module processes the first PCS data and sends the first serial data. The method can be applied to the fields of internet access and related services, the alignment mark insertion process is avoided so as to improve the sending rate of the PCS layer, and the PMA state frame is introduced so as to accelerate link convergence and improve link stability.

The invention relates to the technical field of computers, in particular to an aging processing method and device in a cache and electronic equipment, and the method comprises the following steps: receiving a data query request; if it is determined that the target data requested by the data query request is located in the cache, obtaining the target data from a target cache table item in the cache, and returning the target data to a sender of the data query request; meanwhile, if the target cache table item is not aged, reducing the residual maximum hit times of the target cache table item, and updating the residual survival time length to the target survival time length; if the residual maximum hit frequency of the target cache table item is smaller than a first threshold value, or the residual survival duration is smaller than a second threshold value, determining that the target cache table item is aged; according to the method provided by the invention, the aging of the cache table item is restricted by the residual maximum hit times and the residual survival duration, so that the hit rate of the cache is improved.

The invention relates to the technical field of power transmission line state monitoring, and particularly provides a power transmission line dynamic dance positioning detection method and system, and the method comprises the following steps: collecting Beidou positioning data, pose data and environment parameter data of a power transmission line in real time; correcting the Beidou positioning data according to the coordinate error component and the pose data of the base station, and filtering a multipath effect deviation signal to obtain absolute coordinate data; calculating galloping parameter data of the power transmission line according to the absolute coordinate data; and dynamically fusing the galloping parameter data and the environment parameter data to obtain comprehensive detection data. The problems of large dancing posture detection error and high time delay of the power transmission line in the prior art are solved.

The invention provides an SLAM (Simultaneous Localization and Mapping) optimization method and equipment based on point cloud registration and adaptive resolution, and a medium, and relates to the technical field of AGV (Automatic Guided Vehicle) positioning and mapping, and the method comprises the following steps: (1) inputting and preprocessing sensor data; (2) front-end scanning and matching: based on the preprocessed data, carrying out point cloud registration through a GICP algorithm, updating the pose of the current frame and constructing a local subgraph; (3) global SLAM: receiving sensor data, poses and subgraph data from the front-end scanning and matching step, and carrying out loopback detection and global optimization; wherein a self-adaptive resolution switching strategy based on environment complexity is adopted in the loopback detection process; according to the GICP algorithm, the surface of the point cloud is modeled as Gaussian distribution, local features are described through a covariance matrix, and a target error function constructed based on the mahalanobis distance is optimized to estimate pose transformation. According to the method, the local matching precision and robustness are improved by replacing ICP with GICP, and the global calculation efficiency is adjusted and optimized in combination with the dynamic resolution.

A method of operating a non-volatile memory (NVM) device includes: reading, by a memory controller of the NVM device, first metadata bits and first redundant bits stored in an erase sector of a memory cell array of the NVM device, where the first redundant bits are generated using an error-correction code (ECC) for protection of the first metadata bits; and performing an ECC decoding process for the first metadata bits, which includes: forming a first data frame by filling the first data frame with the first metadata bits, a first number of dummy bits, and the first redundant bits; computing, by the memory controller, a syndrome vector for the first data frame in accordance with the error-correction code; and in response to determining that the syndrome vector comprises a non-zero element, performing, by the memory controller, error correction for the first data frame to obtain decoded first metadata bits.

The invention discloses an ALU operation fusion processing module and method suitable for a neural network, and the module comprises a control unit which is used for receiving and decoding a machine instruction, managing the execution processes of internal and external circulation and microinstruction circulation, and generating a control signal of each stage of a microinstruction assembly line; the microinstruction buffer area is used for storing a microinstruction sequence pre-generated by the neural network compiler; the register file is used for storing source operands and results of ALU operation; each entry of the register file is composed of a valid bit, a tag bit and a data bit; the ALU computing core adopts an SIMD (Single Instruction Multiple Data) architecture and comprises a plurality of paths of parallel arithmetic logic function units; the Load / Store unit is used for processing data exchange between a register file and a local buffer area; and the data selection interface is used for selecting a data source or a target buffer area according to the storage tag field of the microinstruction. According to the method, the high efficiency and the flexibility of the ALU in the neural network hardware accelerator can be effectively considered.

There is provided a storage device which includes a plurality of nonvolatile memory devices, and a memory controller connected in common to the plurality of nonvolatile memory devices through first signal lines and connected in common to the plurality of nonvolatile memory devices through second signal lines. Each of the plurality of nonvolatile memory devices receives a command and an address through the first signal lines and communicates data bits with the memory controller through the second signal lines. While the command and the address are not received through the first signal lines, the plurality of nonvolatile memory devices exchange information through the first signal lines without control of the memory controller.

Dynamic frozen polar codes for probabilistic shaping are described. An apparatus is configured to map transmission bits to an EC-polar code. The transmission bits include first data bits, second data bits, EC bits, and shaping bits. The first data bits correspond to frozen bit locations of the EC-polar code, the shaping bits correspond to information bit locations of the EC-polar code, and the EC bits and the second bits both correspond to remaining locations of the EC-polar code. The apparatus is configured to shape the transmission bits to shaped transmission bits based on the mapping, the EC-polar code, and an addition operation on the transmission bits including the EC bits and the second data bits. The apparatus is configured to transmit, to a receiver network device, the shaped transmission bits.

In a data storage device with a multi-level-cell memory, bits of data are stored in different levels of each of the memory cells. In some situations, a quantized version of the stored data (e.g., the most-significant bits) may be requested. Responding to such a request can involve reading all levels of the memory cells to retrieve a full version of the data and then selectively providing only the quantized version. To improve performance, the data is stored in the memory in an interleaved manner in which the quantized version of the data is stored in the same level(s) instead of being spread across all levels of the memory cells. That way, when the quantized version of the data is later requested, only the relevant level(s) are sensed, thereby avoiding the time and resources needed to read memory level(s) that do not store the quantized data.

The invention provides a temporary check block repairing method and system based on erasure codes in distributed block storage, and the method comprises the steps that a distributed block storage system detects that a check block fails to be written in, and a metadata service creates a temporary check block according to an erasure code mode; the temporary check block records an operation log and executes data writing, and replays IO operation according to a data version number; repairing the inconsistency of the data blocks by using the operation log of the temporary check block; and quickly recovering the check block data through the data bitmap of the temporary check block. According to the rapid recovery processing method for the temporary check block, the check block data can be directly recovered without a coding mode, the internal IO is reduced, and the recovery speed of the erasure code check block is increased.

The invention relates to the technical field of computers, and discloses a topological structure generation method, a communication method, equipment, a chip and a program product. The topological structure parameters comprise a plurality of master port identifiers, a plurality of slave port identifiers, a mapping relationship between a plurality of master ports and a plurality of slave ports and first data bit widths of the plurality of master ports and the plurality of slave ports, and the mapping relationship comprises that at least two master ports in the plurality of master ports correspond to the same slave port in the plurality of slave ports, and / or at least two slave ports in the plurality of slave ports correspond to the same slave port in the plurality of slave ports. At least two slave ports in the plurality of slave ports correspond to the same master port in the plurality of master ports; determining communication parameters based on the topological structure parameters, wherein the communication parameters comprise the number of arbiters and arbitration parameters; and generating a topological structure file based on the communication parameters, the plurality of master ports and the plurality of slave ports, the topological structure file comprising connection lines among the plurality of master ports, the plurality of slave ports and the at least one arbiter. A user does not need to manually configure an arbiter and calculate, and the labor cost is saved.