CN103399188A - Abnormal waveform acquisition method and oscilloscope - Google Patents
Abnormal waveform acquisition method and oscilloscope Download PDFInfo
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- CN103399188A CN103399188A CN2013103698665A CN201310369866A CN103399188A CN 103399188 A CN103399188 A CN 103399188A CN 2013103698665 A CN2013103698665 A CN 2013103698665A CN 201310369866 A CN201310369866 A CN 201310369866A CN 103399188 A CN103399188 A CN 103399188A
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Abstract
The embodiment of the invention discloses an abnormal waveform acquisition method and an oscilloscope. The method disclosed by the embodiment comprises the steps: acquiring abnormal signals generated by an anomaly detection unit of a peripheral circuit; triggering the oscilloscope by utilizing the abnormal signals to capture the waveform generated by the peripheral circuit at the abnormal moment. The embodiment of the invention also provides the oscilloscope. The abnormal waveform acquisition method and the oscilloscope can accurately capture the waveform at the abnormal moment in time.
Description
Technical field
The embodiment of the present invention relates to the signal testing technical field, relates in particular to a kind of unusual waveforms acquisition methods and oscillograph.
Background technology
At present, the pattern that oscillograph captures waveform mainly contains: edge captures, and high-low level captures, and according to fixing pulse width crawl etc., the waveform that these patterns grab is not the waveform that the user wants sometimes.For example, when the peripheral circuit appearance was abnormal, oscillograph still captured waveform according to above-mentioned several modes, may just grab the waveform that the abnormal moment occurs, and the waveform in the abnormal moment often played a key effect to abnormal analysis and solve.
Therefore, be necessary to provide a kind of new method to address the above problem.
Summary of the invention
The embodiment of the present invention provides a kind of unusual waveforms acquisition methods and oscillograph, can capture in time, exactly unusual waveforms.
The unusual waveforms acquisition methods that the embodiment of the present invention provides comprises: the abnormal signal that obtains the abnormality detection unit generation of peripheral circuit; Utilize described abnormal signal to trigger oscillograph and capture the abnormal waveform that constantly produces of described peripheral circuit.
The oscillograph that the embodiment of the present invention provides comprises: abnormal acquiring unit, for the abnormal signal of the abnormality detection unit generation of obtaining peripheral circuit; Waveform fetch unit, be used for described abnormal signal is triggered and captures the abnormal waveform that constantly produces of described peripheral circuit as trigger pip.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, the abnormal signal that produces by the abnormality detection unit that obtains peripheral circuit, with abnormal signal as trigger pip, trigger oscillograph and capture the abnormal waveform that constantly produces of peripheral circuit, guaranteed that oscillograph can be timely, capture exactly the abnormal waveform that constantly produces of peripheral circuit, for follow-up anomaly analysis and solution provide important evidence.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment schematic diagram of unusual waveforms acquisition methods in the embodiment of the present invention;
Fig. 2 is another embodiment schematic diagram of unusual waveforms acquisition methods in the embodiment of the present invention;
Fig. 3 is embodiment schematic diagram of oscillograph in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of unusual waveforms acquisition methods, can capture in time, exactly unusual waveforms.See also Fig. 1, in the embodiment of the present invention, embodiment of unusual waveforms acquisition methods comprises:
101, obtain the abnormal signal of the abnormality detection unit generation of peripheral circuit;
Generally, peripheral circuit has an abnormality detection unit, is used for detecting in real time the duty of peripheral circuit, when peripheral circuit occurs that when abnormal, the abnormality detection unit can produce abnormal signal.In this enforcement, oscillograph can connect with peripheral circuit, obtains the abnormal signal of the abnormality detection unit generation of peripheral circuit, and abnormal signal can represent with high-low level.For example: when peripheral circuit worked, the abnormality detection unit produced a low level signal, and when the peripheral circuit appearance was abnormal, the abnormality detection unit produced a high level signal, and vice versa.
102, utilize abnormal signal to trigger oscillograph and capture the abnormal waveform that constantly produces of peripheral circuit.
Oscillograph, as trigger pip, triggers abnormal signal to capture the abnormal waveform that constantly produces of peripheral circuit after obtaining the abnormal signal that the abnormality detection unit of peripheral circuit produces.
In the present embodiment, the abnormal signal that produces by the abnormality detection unit that obtains peripheral circuit, with abnormal signal as trigger pip, trigger oscillograph and capture the abnormal waveform that constantly produces of peripheral circuit, guaranteed that oscillograph can be timely, capture exactly the abnormal waveform that constantly produces of peripheral circuit, for follow-up anomaly analysis and solution provide important evidence.
For the ease of understanding, below with a specific embodiment, unusual waveforms acquisition methods of the present invention is described, see also Fig. 2, in the embodiment of the present invention, another embodiment of unusual waveforms acquisition methods comprises:
201, utilize the extra probe that increases on oscillograph to obtain the abnormal signal of the abnormality detection unit generation of peripheral circuit;
In the present embodiment, can increase an extra probe on existing oscillograph, this extra probe that increases is connected with the abnormality detection unit of peripheral circuit, and with the abnormal signal that the abnormality detection unit that obtains peripheral circuit produces, abnormal signal can represent with high-low level.For example: when peripheral circuit worked, the abnormality detection unit produced a low level signal, and when the peripheral circuit appearance was abnormal, the abnormality detection unit produced a high level signal, and vice versa.
202, utilize abnormal signal to trigger oscillograph and capture the abnormal waveform that constantly produces of peripheral circuit.
After oscillograph obtains the abnormal signal of abnormality detection unit generation, abnormal signal, as trigger pip, is triggered and captures the abnormal waveform of generation constantly of peripheral circuit.
In the present embodiment, by increase an extra probe on original oscillograph, the abnormal signal that the abnormality detection unit that utilizes the extra probe that increases to obtain peripheral circuit produces, therefore can not interfere with the transmission of other signals, then with abnormal signal as trigger pip, trigger oscillograph and capture the abnormal waveform that constantly produces of peripheral circuit, guaranteed that oscillograph can be timely, capture exactly the abnormal waveform that constantly produces of peripheral circuit, for follow-up anomaly analysis and solution provide important evidence.
Below the oscillograph in the embodiment of the present invention is described, sees also Fig. 3, embodiment of the oscillograph in the embodiment of the present invention comprises:
Abnormal acquiring unit 301, for the abnormal signal of the abnormality detection unit generation of obtaining peripheral circuit;
, for ease of understanding, below with an application scenarios, the interactive mode between oscillographic each unit in the present embodiment is described:
In the present embodiment; can increase an extra probe on existing oscillograph; this extra probe that increases is connected with the abnormality detection unit of peripheral circuit; the abnormal signal that the abnormality detection unit that abnormal acquiring unit 301 utilizes this extra probe that increases to obtain peripheral circuit produces, abnormal signal can represent with high-low level.For example: when peripheral circuit worked, the abnormality detection unit produced a low level signal, and when the peripheral circuit appearance was abnormal, the abnormality detection unit produced a high level signal, and vice versa.
In the present embodiment; by increase an extra probe on original oscillograph; the extra probe that increases of abnormal acquiring unit utilization obtains the abnormal signal of the abnormality detection unit generation of peripheral circuit; therefore can not interfere with the transmission of other signals; then Waveform fetch unit with abnormal signal as trigger pip; trigger and capture the abnormal waveform that constantly produces of peripheral circuit; guaranteed that oscillograph can be timely; capture exactly the abnormal waveform that constantly produces of peripheral circuit, for follow-up anomaly analysis and solution provide important evidence.
It should be noted that, device embodiment described above is only schematic, wherein said unit as the separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.In addition, in device embodiment accompanying drawing provided by the invention, the annexation between unit represents between them to have communication connection, specifically can be implemented as one or more communication bus or signal wire.Those of ordinary skills in the situation that do not pay creative work, namely can understand and implement.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly comprise that special IC, dedicated cpu, private memory, special-purpose components and parts etc. realize by specialized hardware.Generally, all functions of being completed by computer program can realize with corresponding hardware at an easy rate, and, be used for realizing that the particular hardware structure of same function can be also diversified, such as mimic channel, digital circuit or special circuit etc.But under more susceptible for the purpose of the present invention condition, software program realizes it being better embodiment.based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computing machine, USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, service end, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
Above a kind of unusual waveforms acquisition methods and the oscillograph that the embodiment of the present invention is provided is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, therefore, this description should not be construed as limitation of the present invention.
Claims (4)
1. a unusual waveforms acquisition methods, is characterized in that, comprising:
Obtain the abnormal signal of the abnormality detection unit generation of peripheral circuit;
Utilize described abnormal signal to trigger oscillograph and capture the abnormal waveform that constantly produces of described peripheral circuit.
2. the method for claim 1, is characterized in that, the method for the abnormal signal that the described abnormality detection unit that obtains peripheral circuit produces is specially:
Utilize the extra probe that increases on described oscillograph to obtain the abnormal signal of the abnormality detection unit generation of described peripheral circuit.
3. an oscillograph, is characterized in that, comprising:
Abnormal acquiring unit, for the abnormal signal of the abnormality detection unit generation of obtaining peripheral circuit;
Waveform fetch unit, be used for described abnormal signal is triggered and captures the abnormal waveform that constantly produces of described peripheral circuit as trigger pip.
4. oscillograph as claimed in claim 3, is characterized in that, described abnormal acquiring unit obtains the method for the abnormal signal that the abnormality detection unit of peripheral circuit produces, and is specially:
Described abnormal acquiring unit utilizes the extra probe that increases on described oscillograph to obtain the abnormal signal of the abnormality detection unit generation of described peripheral circuit.
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| CN2013103698665A CN103399188A (en) | 2013-08-22 | 2013-08-22 | Abnormal waveform acquisition method and oscilloscope |
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| CN2013103698665A CN103399188A (en) | 2013-08-22 | 2013-08-22 | Abnormal waveform acquisition method and oscilloscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931754A (en) * | 2015-04-29 | 2015-09-23 | 电子科技大学 | Three-dimensional waveform data abnormity detection method |
| CN106226585A (en) * | 2016-07-05 | 2016-12-14 | 广东威创视讯科技股份有限公司 | Voltage monitor and electronic equipment monitoring device |
| CN112612656A (en) * | 2020-12-04 | 2021-04-06 | 中广核久源（成都）科技有限公司 | Online debugging system for digital nuclear pulse processor |
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| CN104931754B (en) * | 2015-04-29 | 2017-09-12 | 电子科技大学 | The method for detecting abnormality of three-dimensional waveform data |
| CN106226585A (en) * | 2016-07-05 | 2016-12-14 | 广东威创视讯科技股份有限公司 | Voltage monitor and electronic equipment monitoring device |
| CN112612656A (en) * | 2020-12-04 | 2021-04-06 | 中广核久源（成都）科技有限公司 | Online debugging system for digital nuclear pulse processor |
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Application publication date: 20131120 |