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Digital oscilloscope with high waveform refresh rate

A waveform refresh rate, digital oscilloscope technology, applied in the field of measurement and testing, to achieve the effect of improving the waveform refresh rate

Active Publication Date: 2014-06-25
RIGOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In the oscilloscope 100, the programmable logic module 106 actually implements the function of a graphics card, and the oscilloscope 100 needs to transmit the data to the programmable logic module 106 after the CPU processor 105 completes data waveform storage and other processing. , can be calculated and displayed by the programmable logic module 106, this data processing method limits the further improvement of the waveform refresh rate of the oscilloscope 100

Method used

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  • Digital oscilloscope with high waveform refresh rate
  • Digital oscilloscope with high waveform refresh rate
  • Digital oscilloscope with high waveform refresh rate

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Embodiment Construction

[0032] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] refer to figure 2, shows a digital oscilloscope 200 with a high waveform refresh rate, and the oscilloscope 200 includes: a signal input terminal 201, an analog front-end circuit 202, an analog-to-digital converter 203, a digital processing module 204, a display module 209, and a CPU processor 208, user input module 210, output interface module 213, the signal input terminal 201, analog front-end circuit 202, analog-to-digital converter 203, digital processing module 204, CPU processor 208 and user input module 210 are connected in sequence, and the digital The processing module 204 is also connected to the display module 209, and the CPU processor 208 is also connected to the output interface module 213;

[0034] The dig...

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Abstract

The invention discloses a digital oscilloscope with a high waveform refresh rate. The digital oscilloscope with a high waveform refresh rate comprises a digital processing module; the digital processing module comprises an acquisition processor, a waveform processor, and a main controller; the acquisition processor is used for calculating a digital sampling signal outputted by an analog-to-digital converter into trajectory strength information and sending the trajectory strength information in a parallel manner to the waveform processor; the waveform processor is used for calculating a plurality of digital sampling signals with trajectory strength information into display waveform data with accumulated strength information and sending the display waveform data to the main controller; and the main controller is used for receiving a user input condition sent by a user input module via a CPU processor to control the acquisition processor and the waveform processor and processing the display waveform data into waveform display signals for being displayed by a display module. According to the digital oscilloscope with a high waveform refresh rate, the problem that the waveform refresh rate of the existing oscilloscope can not be further improved can be solved, and the waveform refresh rate of the oscilloscope is greatly improved.

Description

technical field [0001] The invention relates to the technical field of measurement and testing, in particular to a digital oscilloscope, in particular to a digital oscilloscope with a high waveform refresh rate. Background technique [0002] In a digital oscilloscope, the oscilloscope captures the waveform at a specific number of times per second and displays it on the display unit. This is the waveform capture rate of the oscilloscope, also known as the waveform refresh rate, and the unit is the number of waveforms per second (wfms / s). The waveform refresh rate is an important index of the oscilloscope, which can indicate the speed of the oscilloscope to acquire, process and display the waveform at one time. An oscilloscope with a high waveform refresh rate can provide more important signal features, such as the fluorescent effect that reflects the signal probability; it can also increase the probability of the oscilloscope quickly capturing instantaneous abnormal waveforms...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R13/02
Inventor 史慧王悦王铁军李维森
Owner RIGOL
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