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Method of diminishing characteristic value of searched area

A technology of regional characteristics and regions, which is applied in the field of narrowing the characteristic value of the search region, and can solve problems that affect the results of signal measurement

Active Publication Date: 2011-07-20
ASUSTEK COMPUTER INC
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  • Summary
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Problems solved by technology

[0004] From the above, it can be seen that when performing signal analysis at present, it takes many steps to manually adjust and amplify the waveform to fully display the waveform to be observed for signal measurement and analysis
At the same time, because the manual adjustment results of different measurers may be different, thus affecting the final signal measurement results

Method used

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  • Method of diminishing characteristic value of searched area

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Embodiment Construction

[0014] figure 1 It is a flow chart of the steps of the method for narrowing down the feature value of the search area according to the embodiment of the present invention. Please refer to figure 1 , first, receive a pulse signal (step S110). Next, the pulse signal is sampled (step S115 ) to obtain multiple sampling times and the amplitude of the pulse signal corresponding to each sampling time. Here, the present invention does not limit the source of the pulse signal. The pulse signal may be a signal on the bus in the electronic device, or a signal transmitted between any two electronic devices.

[0015] To facilitate description of the embodiment of the present invention, FIG. 2 is a schematic diagram of a pulse signal of the embodiment of the present invention. The abscissa is the sampling time, and the ordinate is the amplitude of the pulse signal. The pulse signal in FIG. 2 includes a plurality of pulses, which can be divided into high pulses H1 - H6 and low pulses L1 ...

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Abstract

The invention relates to a method of diminishing the characteristic value of a searched area, which can be used for automatically searching out the characteristic value of each pulse in the pulse signal. The obtained characteristic value can be used for further analysis and can be also used for assisting an oscilloscope in the enlarged display, thus the position and scale of the cursor lime do not need to be adjusted manually, the analysis of the signal by the engineer is accelerated, the signal analysis time is shortened, and the waveform data can be more easily analyzed subsequently.

Description

technical field [0001] The invention relates to a method for reducing the characteristic value of the search area, and in particular to a method for the waveform characteristic value of the search area. Background technique [0002] With the rapid development of electronic technology, various electronic products have been widely used in our work and life, especially the most common electronic products such as information and home appliances. In the testing process of these electronic products, generally speaking, an oscilloscope is used to measure various electrical characteristics of the mainboard to check whether the results meet the specifications in the specifications. [0003] At present, when engineers use an oscilloscope to display the digital signal to be measured, they need to manually adjust the vertical scale (Vertical scale) and horizontal scale (Horizontal scale) in the oscilloscope to adjust the waveform displayed by the oscilloscope. It is necessary to manual...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R13/00
Inventor 廖育靖
Owner ASUSTEK COMPUTER INC
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