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20 results about "Arithmetic expressions" patented technology

Method, device and equipment for generating and processing explanation audio and video

The invention provides an explanation audio and video generation processing method, device and equipment, and relates to the video processing technology, and the method comprises the steps: obtaining a to-be-analyzed request; wherein the to-be-analyzed request is used for requesting to generate the explanation audio and video, the to-be-analyzed request comprises to-be-processed information, and the to-be-processed information is an arithmetic expression. And performing data analysis on the to-be-processed information, and determining an arithmetic structure and a numerical range. Determining at least one target explanation option template corresponding to the arithmetic structure and the numerical range in a plurality of preset explanation option templates; wherein the explanation option templates in the preset explanation option templates are audio and video templates of different types of explanation rule information, and the explanation rule information is determined according to an arithmetic structure and a numerical range. And according to the at least one target explanation option template and the to-be-processed information, generating an explanation audio / video, and displaying the explanation audio / video. According to the method provided by the invention, the technical problem that the efficiency of explaining the generation mode of the audio and video is relatively low is solved.
Owner:SWAYING FIRE EDUCATION TECHNOLOGY (SHENZHEN) CO LTD

A data processing method to improve the advanced arithmetic capabilities of small-scale large language models

This invention discloses a data processing method for improving the advanced arithmetic capabilities of a small-scale large language model (LLM), comprising: constructing an instruction dataset and performing data standardization; fine-tuning a small-scale LLM using different amounts of arithmetic expression data from the instruction dataset, evaluating the fine-tuned small-scale LLM on an arithmetic test set, and obtaining the amount of arithmetic expression data used by the model with the highest score; fine-tuning the small-scale LLM using the arithmetic expression data of the model with the highest score and different amounts of natural language processing data, and obtaining the amount of natural language processing data used by the model with the highest average score; and fine-tuning the small-scale LLM using the arithmetic expression data of the model with the highest score, the natural language processing data of the model with the highest average score, and different amounts of mathematical application data, and obtaining the amount of mathematical application data used by the model with the highest average score.
Owner:JINAN UNIVERSITY

Optical measurement instrument, server device, and optical measurement method

An arithmetic expression used for estimating a target item of a specimen is more easily incorporated into an optical measurement system. An optical measurement instrument includes an optical analysis unit configured to perform an optical analysis on a specimen and measure an intensity of light as a result of the optical analysis, and an arithmetic processing unit configured to download an arithmetic expression from a server device via a network, and perform a quantitative analysis on a target substance contained in the specimen by substituting the result of the optical analysis by the optical analysis unit into the arithmetic expression.
Owner:HITACHI LTD

Determination device, test system, and generation device

A determination device includes an estimation circuit and a determination circuit. The estimation circuit generates estimation data by estimating input data in the n-th cycle based on the input data in cycles prior to the n-th cycle and a first generator polynomial. The determination circuit determines whether the input data and the estimation data match. The first generator polynomial is an arithmetic expression that sets the estimation data in the n-th cycle to an inverted value of the input data in (n−1)-th cycle if a logical sum of all the input data in a first period corresponding to a preset number of cycles prior to the n-th cycle is 0 or a logical product of all the input data in a second period corresponding to the preset number of cycles prior to the n-th cycle is 1, and sets the estimation data in the n-th cycle to the same value as the input data in the (n−1)-th cycle if the logical sum is not 0 and the logical product is not 1.
Owner:KIOXIA CORP

Eccentricity amount calculation device and method for rotary electric machine, and controller for rotary electric machine

To provide an eccentricity amount calculation device and method for a rotary electric machine that require the small number of previously measured or analyzed data for eccentricity amount calculation, can be performed in a system for driving the rotary electric machine, and are capable of accurately calculating an eccentricity amount; and a controller for the rotary electric machine.SOLUTION: An eccentricity amount calculation device 300 for a rotary electric machine comprises: a processor 370; and a memory 380 for storing a constant of a multi-phase motor and an eccentricity amount operation expression. The processor 370 acquires a voltage command to a winding of each phase of a motor or voltage applied to the winding of each phase and a current command to the winding of each phase or current flowing in the winding of each phase; and calculates an eccentricity amount of the motor on the basis of the acquired voltage command or voltage and current command or current and the constant of the motor and the eccentricity amount operation expression stored in the memory 380.SELECTED DRAWING: Figure 5
Owner:AIDA ENGINEERING LTD

Vehicle state amount estimation device, and vehicle control device

PCT designated stageWO2025238952A1Braking systemsControl theoryMechanical engineering
According to one aspect of a vehicle state amount estimation device and a vehicle control device according to the present invention, a sensor coordinate system acceleration and a sensor coordinate system angular velocity output by an inertial sensor are subjected to coordinate transformation to obtain a horizontal coordinate system acceleration and a horizontal coordinate system angular velocity, an estimated speed of a vehicle is obtained by integrating an arithmetic expression of a horizontal coordinate system including the horizontal coordinate system acceleration and the horizontal coordinate system angular velocity, and a vehicle body slip angle is estimated on the basis of the estimated speed. Thus, a reduction in accuracy of the estimation of the vehicle body slip angle based on the output of the inertial sensor can be suppressed even when the inertial sensor is mounted in a tilted orientation on the vehicle.
Owner:ASTEMO LTD

Method and apparatus for detecting mold gap of toggle-type injection molding machine

PCT designated stageWO2026176684A1Molding machineInjection molding machine
This apparatus includes: a strain sensor unit 5 attached to a peripheral surface 4f of a tie bar 4 provided on a toggle-link mold clamping mechanism 2 for slidably supporting a movable platen 3 to which a movable mold Cm is attached; and a molding machine controller 10 for obtaining an elongation L of the tie bar 4 corresponding to a mold gap Lm by a prescribed arithmetic expression in accordance with detection data De of the strain sensor unit 5 and obtaining the size of the corresponding mold gap Lm on the basis of the obtained magnitude of the elongation L of the tie bar 4. The mold gap Lm is obtained with high accuracy on the basis of the elongation L of the tie bar 4.
Owner:NISSEI PLASTIC IND CO LTD

Image formation device and image formation program

To provide an image formation device capable of saving and reducing consumption of toner in refresh processing according to situations, and an image formation program.SOLUTION: The image formation device comprises a calculation processing part and a setting processing part. The calculation processing part calculates, based on preset operation expressions, a first calculated amount which is an amount of toner to be discharged from an image development part in first refresh processing, a second calculated amount which is an amount of toner to be discharged from the image development part in second refresh processing, and a third calculated amount which is an amount of toner to be discharged from the image development part in refresh processing. When a calculation result obtained by the calculation processing part satisfies preset specific conditions, the setting processing part is set such that a first discharge amount and a second discharge amount in the first refresh processing and the second refresh processing executed by a refresh processing part are values for reaching the third calculated amount obtained by summing the first discharge amount and the second discharge amount.SELECTED DRAWING: Figure 4
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Signal generation device and signal generation method

A signal generation device according to one embodiment of the present invention is provided with: N sensors that output N-phase signals (N is a multiple of 3) on the basis of the rotation angle of a rotating body; and a signal processing unit that corrects an N-phase signal on the basis of an arithmetic expression (10) in which Hi is an i-th phase signal (i is an integer of 1 to N), Hi'is the corrected i-th phase signal, HiP-P is the difference between the maximum value Himax and the minimum value Himin of the i-th phase signal, Hiofs is the offset of the i-th phase signal, HiP-PL is the learning value of the difference HiP-P, and HiofsL is the learning value of the offset Hiofs: [numerical expression 1] # imgabs0 #
Owner:NIDEC CORP(JP)

Coating device

When a coating liquid (p) is discharged from a slit-shaped discharge port (33) of a coating nozzle (30) to a coated body (W) and the coating nozzle and the coated body are relatively moved in a coating direction (Y) to coat the surface of the coated body with the coating liquid, a width adjusting unit (50) for adjusting the width of the coating liquid discharged from the slit-shaped discharge port is provided. On the basis of a storage means (60) that stores arithmetic expressions in various coating condition data, a calculation means (62) calculates the difference in width between the width of the coating liquid discharged from the slit-shaped discharge port and the width of the coating liquid actually applied to the object to be coated, and on the basis of the calculated difference in width, the coating condition data of the object to be coated is calculated. The width adjustment means and the like are controlled by a control device (63).
Owner:CHUGAI RO CO LTD

Radar system and method for estimating distance and speed using step frequency waveforms

The invention relates to a radar system and a method for estimating distance and speed using step frequency waveforms. A radar system and method is provided and includes transmitting a radar signal within a frame having N radar chirps, the N radar chirps having a step frequency waveform; receiving and sampling radar signals reflected from a target; a distance FFT process including a first domain fast Fourier transform (FFT) and a Doppler FFT process including a second domain FFT are performed on the received value to generate a distance FFT value and a Doppler FFT value. The distance and velocity of the target are estimated based on the distance FFT value and the Doppler FFT value, where the estimated distance r and the estimated velocity v of the target are calculated based on at least one equation comprising: (i) a first term corresponding to the target distance r0 measured by a first radar chirp of the N radar chirps, and (ii) a second term corresponding to the target distance r0 measured by a second radar chirp of the N radar chirps; and (ii) a second term corresponding to a center wavelength [lambda] N / 2 of a plurality of radar chirps of the frame.
Owner:APTIV TECHNOLOGIES AG

Solidity language source code obfuscation method, system, device and storage medium

The application provides a Solidity language source code obfuscation method, system, device and storage medium. The method comprises the following steps: reading the source code, constructing an abstract syntax tree and a control flow graph; replacing variable names in the source code, disturbing the source code layout and deleting auxiliary information; converting variable states in the source code, converting constants into function calls or arithmetic expressions to modify data fields in the smart contract; flattening global code control flow, control flow in the function body, and loop or branch basic blocks through the switch-case mode, and generating and introducing chaotic tautology opaque predicates based on the combination of Chebyshev and PWLCM one-dimensional chaotic mapping CPM in the loop or branch statement to hide the internal logic of the original program; the above method realizes the Solidity language source code obfuscation and generates the obfuscated Solidity code. The application generates the source code obfuscated version of the smart contract, which can greatly increase the cost of the smart contract being decompiled and improve the security of the content of the smart contract itself.
Owner:HOHAI UNIV

Memory controller, operating method thereof, memory system, and electronic system

The invention discloses a memory controller and an operation method thereof, a storage system and an electronic system, and belongs to the technical field of storage. The memory controller includes: a storage device configured to store a firmware algorithm; the algorithm execution hardware comprises an operation expression, and the operation expression is obtained according to firmware algorithm configuration; and the processor is connected with the storage device and the algorithm execution hardware, and the processor is configured to call the algorithm execution hardware to execute the arithmetic expression to obtain an operation result of the firmware algorithm when the firmware algorithm is executed. According to the memory controller, the execution of the firmware algorithm can be realized through the combination of the arithmetic expression and the algorithm execution hardware, the execution of the firmware algorithm can be realized without preparing a special circuit, and the flexibility and the universality are relatively high. If the firmware algorithm needs to be updated, execution of the updated firmware algorithm can be realized only by reconfiguring the arithmetic expression included in the algorithm execution hardware according to the updated firmware algorithm, a circuit does not need to be changed, and the cost is relatively low.
Owner:YANGTZE MEMORY TECH CO LTD

Expression-based seismic trace header word calculation method, device and medium

The application provides a seismic trace header word calculation method and device based on an expression, and a medium, and belongs to the field of seismic data processing.The method comprises the following steps: first, reading a seismic trace header data in a seismic trace order; second, calculating the value of a conditional expression one by one according to the trace header word value contained in the current seismic trace header data; third, judging whether the value of the conditional expression is true, if yes, entering the fourth step, otherwise returning to the first step; fourth, calculating the value of an arithmetic expression according to the current trace header word value, generating a new trace header word or updating an existing trace header word value; fifth, judging whether there is still seismic trace header data to be processed, if yes, returning to the first step, otherwise entering the sixth step; and sixth, ending.The application supports flexible selection of qualified trace header words for calculation, supports multiple types of arithmetic calculation functions for arbitrary combination calculation, and supports updating of existing trace header words and flexible addition of new trace header words.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Software obfuscation method using an opaque predicate based on multiplying mixed Boolean-arithmetic expressions

Provided is a program and computer-implemented method of obfuscating a software code, comprising adding a conditional branch instruction to the software code which, when executed, causes evaluating an opaque predicate (PT, PF, P?). The method comprises a step of generating the opaque predicate which includes performing a multiplication operation having as operands two mixed Boolean-arithmetic expressions. Other embodiments disclosed.
Owner:THALES DIS CPL USA INC

Visual editing method of multivariate reverse Polish expression

The invention discloses a visual editing method of a multivariate reverse Polish expression, which relates to the technical field of data coding and comprises the following steps of: S1, setting business variables at least comprising a train control system exclusive logic condition and an interlocking system exclusive Boolean logic condition according to business characteristics of a rail transit signal system; s2, constructing business expressions based on the business variables, wherein the business expressions comprise a mind mapping expression and an interlocking Boolean logic arithmetic expression; s3, respectively converting the mind mapping expression and the interlocking Boolean logic arithmetic expression into corresponding target expressions; s4, performing multi-dimensional verification on the target expression based on an expression verification mechanism, and completing multi-element visual editing of the reverse Polish expression; the reverse Polish expression editing process is simplified, construction of the reverse Polish expression for specific service parameters is achieved, a channel for dynamically selecting the service parameters to modify the reverse Polish expression is provided, the editing efficiency and accuracy are improved, and the diversity and efficiency of the service reverse Polish expression are improved.
Owner:ZHONGHE ZHIXING RAIL TRANSIT TECH CO LTD

Compact billing device

PCT designated stageWO2026176258A1Computer hardwareKey pressing
Provided is a portable billing device and method that enables electronic bill generation from calculator-style arithmetic expressions without requiring explicit product registration or mode switching. The device comprises a compact display, a calculator keyboard, a processing subsystem with memory, and optionally a printer and communication subsystem. During normal operation, the device functions as a standard four-function calculator, storing all key presses and corresponding operators in an operation history. When a user actuates a designated billing key, the device compiles a structured bill with calculated totals, which may be printed or electronically transmitted to customers. The device supports optional features including customer identification, credit sales tracking, change calculation, and cash balance reconciliation, all while maintaining the simplicity and familiarity of calculator operation.
Owner:MOHAMED NATHEER AJMAL HINAS

Arithmetic system and arithmetic expression generation method

PCT designated stageWO2025197005A1Electric testing/monitoringAlgorithmData sequences
This arithmetic system comprises: a storage unit in which a template including a column logical name which is a logical name of a data sequence in time series data having a plurality of data sequences, and a column correspondence table indicating correspondence between a column physical name and the column logical name in the time series data are stored; and an arithmetic expression generation unit which generates an arithmetic expression for calculating a feature amount by replacing the column logical name in the template with an identifier of the column physical name.
Owner:HITACHI LTD

Interfix expression analysis method and system for data processing

The invention provides an infix expression analysis method and system for data processing, and relates to the technical field of data processing.The method comprises the steps that character splitting and character position coding are conducted on an infix expression to obtain an arithmetic expression with position coding information, a variable expression with position coding information and a function expression with position coding information; performing parameter analysis on the arithmetic expression, the variable expression and the function expression with the position coding information according to definition rules of different types of expressions to obtain different types of parameter lists; performing parameter extraction and parameter calling on different types of parameter lists to obtain a plurality of parameter calculation results; and performing parameter combination on the plurality of parameter calculation results to form a prefix expression. According to the method, the complex expressions formed by mixing variables, functions, nested functions, custom functions and the like in the infix expressions can be converted, the conversion speed is high, confusion is not prone to occurring, and the efficiency and accuracy of big data analysis can be ensured.
Owner:CHENGDU UNION BIG DATA TECH CO LTD