A digital oscilloscope that can display the results of mathematical operations
A digital oscilloscope and mathematical operation technology, applied in the direction of digital variable display, etc., can solve the problems of wasted gears, insufficient gears, complicated arithmetic formulas, etc., and achieve the effect of convenient adjustment of gears, convenient operation, and avoidance of useless operations.
Active Publication Date: 2016-09-07
RIGOL
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Problems solved by technology
In the prior art, the vertical gear range of the mathematical operation function of the digital oscilloscope is fixed, that is, a common gear range is set for all calculation functions, but because the gears and calculation formulas of the channels involved in the calculation are uncertain , which leads to the uncertainty of the observable range of the waveform after calculation, so if a fixed range of gears is used, there will be problems of waste of gears or insufficient gears
And for advanced computing functions, the aforementioned problems are more likely to occur due to the complexity of the computing formulas
Method used
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Embodiment Construction
[0027] A preferred embodiment of the present invention will be introduced below in conjunction with the accompanying drawings.
[0028] refer to figure 1 , the digital oscilloscope 1 of the present invention includes a first signal input terminal 1011 , a second signal input terminal 1012 , a first measurement channel 1021 , a second measurement channel 1022 , a display unit 103 and an input unit 104 .
[0029] The signal input terminals 1011 and 1012 are used to receive external analog signals S1 and S2 to be tested, and transmit them to the measurement channels 1021 and 1022 respectively.
[0030] The measurement channels 1021 and 1022 are used to receive the analog signals S1 and S2 to be measured transmitted by the signal input terminals 1011 and 1012, and perform attenuation, amplification and impedance matching on them, and then perform digital sampling through the digital-to-analog conversion components to generate digital signals .
[0031] As an example, the measure...
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The invention discloses a digital oscilloscope capable of displaying an arithmetical operation result. The digital oscilloscope comprises a channel vertical gear selection knob, a measuring channel, an input unit, an arithmetical operation vertical gear selection knob and a display unit, wherein the channel vertical gear selection knob is used for generating vertical gear information of a measured channel; the measuring channel is used for acquiring a measured waveform according to the vertical gear information; the input unit is used for inputting an arithmetical operation formula; the arithmetical operation vertical gear selection knob is used for generating vertical gear control information of the operated waveform; and the display unit is used for setting a vertical gear of a display window and displaying the measured waveform and the operated waveform corresponding to the operation formula in the display window according to the vertical gear control information of the operated waveform, and setting a maximum vertical gear and a minimum vertical gear of the display window according to the vertical gear information of the measured channel and the arithmetical operation formula. According to the oscilloscope, a gear scope of a high level arithmetic function is determined automatically according to the operation formula; compared with the prior art, a large number of useless gears are removed, and the automatically determined gear scope more facilitates waveform observation of a user.
Description
technical field [0001] The invention relates to the field of digital oscilloscopes, in particular to a digital oscilloscope capable of displaying mathematical operation results. Background technique [0002] The mathematical operation function is a common function of digital oscilloscopes. This function can perform mathematical operations such as addition, subtraction, multiplication, and division on the measured waveform, and finally obtain the calculated waveform. At present, some high-end oscilloscopes on the market also have advanced calculation functions, which can not only realize simple mathematical operations such as addition, subtraction, multiplication and division, but also add advanced calculation functions such as integral, differential and logarithm, and can also input calculation formulas in the form of formula editing , enhancing the flexibility and practicality of this function. [0003] In order to observe the details and overall picture of the waveform af...
Claims
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IPC IPC(8): G01R13/02
Inventor 王志彦王悦王铁军李维森
Owner RIGOL
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