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Multifunctional virtual instrument and data processing terminal thereof

A data processing and virtual instrument technology, applied in the direction of instruments, measuring devices, measuring electronics, etc., can solve problems such as single-function virtual instruments, and achieve the effects of high sampling rate, reduced centralization, and reduced cost

Pending Publication Date: 2017-12-08
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the current virtual instruments are all single-function virtual instruments, such as oscilloscopes, frequency scanners, and signal generators.

Method used

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  • Multifunctional virtual instrument and data processing terminal thereof
  • Multifunctional virtual instrument and data processing terminal thereof
  • Multifunctional virtual instrument and data processing terminal thereof

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Embodiment Construction

[0031] In order to have a clearer understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0032] like figure 1 As shown, it is a schematic diagram of the working state simulation of the multifunctional virtual instrument of the present invention. The multifunctional virtual instrument in this embodiment includes a notebook computer 2 and a data processing terminal 1 . The notebook computer 2 and the data processing terminal 1 are connected through WIFI to realize data communication. The two devices 3 are respectively used to generate a signal source to send to the data processing terminal 1 and to display the signals generated by the data processing terminal 1 to simulate The real working condition of the multifunctional virtual instrument can be realized by an oscilloscope and a signal generator respectively.

[0033...

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Abstract

The invention discloses a multifunctional virtual instrument and a data processing terminal thereof. The data processing terminal includes a front-end signal conditioning circuit, a data acquisition module, a DDS signal generation source module, a DA waveform generation module, a host computer communication module and other device communication modules. A FPGA in the data acquisition module can convert acquired signals into functional signals of one or more functions in an oscilloscope, a spectrum analysis, a phase analysis, a frequency meter and a frequency sweeper. The DDS signal generation source module can generate a signal source with the frequency up to 200MHz. The DA waveform generation module can generate special waveforms or synthesize any signal source, so as to realize the multi-function of the virtual instrument.

Description

technical field [0001] The invention relates to the field of instruments and equipment, in particular to the aspect of virtual instruments, and more particularly, to a multifunctional virtual instrument and a data processing terminal thereof. Background technique [0002] The progress of instrument technology and modern testing technology has promoted the development of a new concept instrument-Virtual Instrument (Virtual Instrument, referred to as VI). The virtual instrument uses a computer to develop an instrument, and has a host computer (such as a computer) and a data processing terminal. The host computer and the data processing terminal are generally connected through a wired interface for communication and connection. The host computer is used for signal display and the realization of user interface and interface operations. , the data processing end is used for data acquisition or signal generation. The functions performed by the specific host computer and the data ...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00Y02D10/00
Inventor 王广君刘刚姜建金
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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