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A method for adjusting waveform channel and digital oscilloscope

A technology of digital oscilloscope and adjustment method, which is applied in the direction of digital variable display, digital variable/waveform display, instrument, etc. It can solve the problems of long time-consuming and slow automatic setting process, and achieve the effect of reducing time-consuming and improving speed

Active Publication Date: 2021-07-30
RIGOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a waveform channel adjustment method and a digital oscilloscope to solve the problem in the prior art that the automatic setting process is slow due to the time-consuming amplitude value iteration process

Method used

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  • A method for adjusting waveform channel and digital oscilloscope
  • A method for adjusting waveform channel and digital oscilloscope
  • A method for adjusting waveform channel and digital oscilloscope

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0050] The invention provides a waveform channel adjustment method to solve the problem in the prior art that the speed of the automatic setting process is slow due to the time-consuming iteration process of the amplitude value.

[0051] Specifically, for the adjustment method of the waveform channel, see figure 1 ,include:

[0052] S101. Update the amplitude value of the access signal in real time according to the sampling value at each sampling moment of the access signal;

[0053]The a...

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Abstract

The invention provides a waveform channel adjustment method and a digital oscilloscope, which updates the amplitude value of the access signal in real time according to the sampling values ​​at each sampling time of the access signal; and then compares the updated amplitude value with the limit value of the current waveform channel ; adjust the gear and / or offset of the current waveform channel in real time according to the comparison result, so that the current waveform channel matches the access signal; since the amplitude value used for channel adjustment in this method is obtained by updating in real time, its The amplitude value iteration process does not require the transmission and processing of multi-point waveform data in the prior art, which reduces the time consumption of the amplitude value iteration process compared with the prior art, thereby increasing the speed of the automatic setting process.

Description

technical field [0001] The invention relates to the technical field of power electronics, in particular to a method for adjusting a waveform channel and a digital oscilloscope. Background technique [0002] Digital oscilloscopes generally use the automatic setting function to make them work in the best state that matches the incoming signal. Specifically, the digital oscilloscope first detects the amplitude value and frequency value of the incoming signal, then automatically adjusts the scale and offset of its waveform channel according to the amplitude value, and adjusts its own time base according to the frequency value. [0003] In the process of automatically adjusting the gear and offset of its waveform channel, since the digital oscilloscope is a time-domain measurement device, in general, the displayed waveform is a complete waveform of one screen; The captured waveform is a waveform within a period of time, such as a frame of waveform; and a frame of waveform includ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R13/02
CPCG01R13/0209
Inventor 王志彦王悦王铁军李维森
Owner RIGOL