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resampling device for statistics

A statistical information and resampling technology, applied in computing, 2D image generation, instruments, etc., can solve problems that are difficult to meet the needs of users for accurate analysis, difficult for equipment to respond and process quickly, and affect the average performance of equipment, etc., to achieve faster The effect of data processing speed, fast resampling speed, and high average performance

Inactive Publication Date: 2019-08-23
INNO INSTR (CHINA) INC
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

These processing methods are difficult to meet the needs of users for accurate analysis
Some more advanced analysis equipment directly save the statistical points in the SD card in the format of maximum / minimum / average, and perform serial resampling operations on the statistical points in the format. Although accurate results can be obtained in this way, due to the gradual The serial calculation of instructions leads to a very slow resampling speed, which is unacceptable to users; and all operations are performed in the main CPU (central processing unit), and high CPU usage for a long time will make it difficult for the device to respond quickly and handle other business of the user , affecting the average performance of the device

Method used

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Embodiment Construction

[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038]In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0039] see figure 1 , The resampling device of statistical information in this embodiment includes: an input statistical point buffer unit 1, an output statistical point step control unit 4, a raw data statistical unit 2, an output statistical point buffer unit 3 and a post statistic...

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Abstract

The invention provides a statistical information re-sampling device. An existing processed original data statistical point sequence of an analyzing and recording instrument is re-sampled, an input statistical point sequence is re-extracted according to a specified proportion to form an output statistical point sequence, so that a tendency chart zoom function of the analyzing and recording instrument can be achieved, and a hardware-based re-sampling device is used for processing; compared with an existing serial computation by instructions, the serial re-sampling computation is faster in re-sampling speed, and all operations can be partially operated in a CPU, so that fewer CPU resources are occupied, and thus the equipment is faster in response speed to other businesses of a user, and higher in average performance.

Description

technical field [0001] The invention relates to the technical field of analysis and recording instruments, in particular to a statistical information resampling device. Background technique [0002] In the instrumentation industry, all kinds of measuring equipment usually need to measure various indicators, and save the historical measurement records of these indicators to the storage device in real time. For example, in the power meter industry, some analysis and recording instruments need to measure the effective value of the voltage according to the time interval specified by the IEC61000 specification, and make statistics on the historical trend of the effective value of the voltage according to the interval set by the user. Statistical results such as value and standard deviation are saved to SD card (SecureDigital Memory Card, secure digital card). In this way, the user can conveniently view the historical trend of the voltage RMS in any measurement interval through t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/18G06F17/24G06T11/20
CPCG06F17/18G06F40/174G06T11/206
Inventor 李楚元
Owner INNO INSTR (CHINA) INC
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