CN116183192A - High-speed signal quality detection method and device - Google Patents

High-speed signal quality detection method and device Download PDF

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Publication number
CN116183192A
CN116183192A CN202211540461.9A CN202211540461A CN116183192A CN 116183192 A CN116183192 A CN 116183192A CN 202211540461 A CN202211540461 A CN 202211540461A CN 116183192 A CN116183192 A CN 116183192A
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China
Prior art keywords
speed
signal
speed signal
personal computer
industrial personal
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Pending
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CN202211540461.9A
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Chinese (zh)
Inventor
郭黎霞
张国彦
姜雨彤
邢红梅
林青
倪菊艳
陈晓宇
朱梦琪
刘淑云
崔晓颖
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China North Vehicle Research Institute
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China North Vehicle Research Institute
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Priority to CN202211540461.9A priority Critical patent/CN116183192A/en
Publication of CN116183192A publication Critical patent/CN116183192A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/125—Discriminating pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a high-speed signal quality detection method and a device, wherein the detection method adopts a signal detection device for detection, and the signal detection device comprises a high-speed signal frequency division speed reduction processing unit, an I/O signal generation unit, an industrial personal computer and a display screen; the detection method comprises the following steps: a high-speed signal spread spectrum speed-reducing processing unit of the signal detection device is utilized to obtain a high-speed signal of the tested equipment, and frequency division and speed-reducing processing are sequentially carried out on the obtained high-speed signal; the method comprises the steps of performing data acquisition on signals subjected to speed reduction processing by using an I/O signal generating unit, and sending acquired data to an industrial personal computer; the industrial personal computer compares the acquired data with the pre-stored data, and displays the compared detection result through the display screen. The detection method can independently detect the signal quality of the output signal of the tested equipment.

Description

High-speed signal quality detection method and device
Technical Field
The invention relates to the technical field of high-speed signal quality detection under special working conditions, in particular to a high-speed signal quality detection method and device.
Background
In the special vehicle system, the computer and other equipment are used for data processing and command sending, and the main functions are to calculate shooting data according to the target data and weather condition parameters provided by the detector and set trajectory, and to transmit the shooting data to the weapon launcher in real time, so as to control the weapon to automatically track and attack the target. As a core device of the system, the device under test is critical to the quality of the output signal.
Because the tested equipment can enter extreme environments such as a hot area, a cold area and the like along with the whole car to perform combat, the tested equipment is required to be subjected to tests such as high temperature, low temperature, impact vibration and the like before being loaded, and a detection method and a device which are simple, visual and clear in operation are required to be designed in order to conveniently detect the signal quality of the tested equipment.
Disclosure of Invention
In view of the above, the present invention provides a high-speed signal quality detection method and apparatus, by which the signal quality of the output signal of the device under test can be independently detected.
The invention adopts the following specific technical scheme:
the invention provides a high-speed signal quality detection method, which adopts a signal detection device to detect, wherein the signal detection device comprises a high-speed signal frequency division speed reduction processing unit, an I/O signal generation unit, an industrial personal computer and a display screen; the detection method comprises the following steps:
step one, a high-speed signal of tested equipment is obtained by utilizing a high-speed signal spread spectrum speed-reducing processing unit of a signal detection device, and frequency division and speed-reducing processing are sequentially carried out on the obtained high-speed signal;
step two, the signals after the speed reduction processing are subjected to data acquisition by utilizing an I/O signal generating unit, and the acquired data are sent to an industrial personal computer;
and thirdly, comparing the acquired data with pre-stored data by the industrial personal computer, and displaying the compared detection result through a display screen.
Furthermore, in the third step, the industrial personal computer collects data in real time through threads, develops a detection interface design unit through virtual instrument development software, and displays a detection result on a display screen.
Further, in the third step, the detection interface design unit displays the comparison result through the indicator light in the display screen.
Further, in the first step, the high-speed signal spread spectrum speed-reducing processing unit obtains a high-speed signal of the tested device through the chip, wherein the high-speed signal is a microsecond-level narrow pulse signal;
in the second step, the I/O signal generating unit is an I/O interface in the board card.
In addition, the invention also provides a high-speed signal quality detection device, which comprises a high-speed signal frequency division and speed reduction processing unit, an I/O signal generating unit, an industrial personal computer and a display screen;
the high-speed signal frequency division and speed reduction processing unit is used for connecting tested equipment, collecting high-speed signals from the tested equipment, and sequentially carrying out frequency division and speed reduction processing on the collected high-speed signals;
the I/O signal generation unit is in signal connection with the high-speed signal frequency division and speed reduction processing unit and the industrial personal computer, and is used for collecting signals processed by the high-speed signal frequency division and speed reduction processing unit and sending collected data to the industrial personal computer;
the industrial personal computer is in signal connection with the display screen and is used for comparing received data with pre-stored data and displaying the compared detection result through the display screen.
The beneficial effects are that:
1. the high-speed signal quality detection method of the invention utilizes a high-speed signal spread spectrum speed-reducing processing unit to obtain a high-speed signal of tested equipment, and sequentially carries out frequency division and speed-reducing processing on the obtained high-speed signal, then utilizes an I/O signal generating unit to send signal data after the speed-reducing processing to an industrial personal computer, and finally compares the data through the industrial personal computer, and displays the detection result through a display screen; the high-speed signal quality detection method can be used for detecting the high-speed signal quality of the tested equipment in various extreme environments, can be used for simultaneously detecting the high-speed signal quality of the combat vehicle under two working conditions of gun length and vehicle length, and can be used for judging the high-speed signal detection result under the two working conditions simply, intuitively and clearly; therefore, the signal quality of the output signal of the tested device can be independently detected by adopting the detection method.
2. In the third step of the high-speed signal quality detection method, the industrial personal computer acquires data in real time through threads, develops a detection interface design unit through virtual instrument development software, and displays a comparison result through an indicator lamp in a display screen; the industrial personal computer acquires data in real time through threads, so that real-time data of the tested equipment can be acquired, and the high-speed signal quality of the tested equipment can be comprehensively and real-time detected; and the result is displayed through the indicator lamp in the display screen, and the detection result can be clear at a glance through the color or brightness of the indicator lamp, so that the test personnel can read the detection result conveniently.
3. The high-speed signal quality detection device comprises a high-speed signal frequency division and speed reduction processing unit, an I/O signal generating unit, an industrial personal computer and a display screen; the high-speed signal frequency division and speed reduction processing unit is used for collecting high-speed signals from the tested equipment and sequentially carrying out frequency division and speed reduction processing on the collected high-speed signals; the I/O signal generating unit is used for acquiring the signals processed by the high-speed signal frequency division speed reduction processing unit and transmitting the acquired data to the industrial personal computer; the industrial personal computer is in signal connection with the display screen and is used for comparing the received data with the pre-stored data and displaying the compared detection result through the display screen; the high-speed signal quality detection device with the structure can detect high-speed signals of the tested equipment, and can independently perform tests such as high-low temperature and impact vibration on the tested equipment before loading, so that the reliability and the accuracy of the tested equipment when the tested equipment enters extreme environments such as a hot area, a cold area and the like along with the whole car are ensured.
Drawings
Fig. 1 is a flowchart of a high-speed signal quality detection method according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a high-speed signal quality detecting apparatus according to an embodiment of the present invention.
Wherein, 1-high speed signal frequency division speed reduction processing unit, 2-I/O signal generation unit, 3-industrial personal computer, 4-display screen, 5-tested equipment
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment of the invention provides a high-speed signal quality detection method, as shown in fig. 1 and 2, wherein the detection method adopts a high-speed signal quality detection device for detection, and the method comprises the following steps:
as shown in fig. 2, the high-speed signal quality detection includes a high-speed signal frequency division and speed reduction processing unit 1, an I/O signal generating unit 2, an industrial personal computer 3 and a display screen 4;
the high-speed signal frequency division and speed reduction processing unit 1 is used for connecting tested equipment 5, collecting high-speed signals from the tested equipment 5, and sequentially carrying out frequency division and speed reduction processing on the collected high-speed signals; the high-speed signal spread spectrum speed-reducing processing unit acquires a high-speed signal of the tested equipment 5 through a 161 chip, wherein the high-speed signal is a microsecond narrow pulse signal; in the present embodiment, the device under test 5 is illustrated by taking a computer in a military vehicle with a weapon launcher as an example, the military vehicle having a long-shot condition and a long-shot condition;
the I/O signal generating unit 2 is in signal connection with the high-speed signal frequency division and speed reduction processing unit 1 and the industrial personal computer 3, and is used for acquiring signals processed by the high-speed signal frequency division and speed reduction processing unit 1 and transmitting acquired data to the industrial personal computer 3; the I/O signal generating unit 2 can be an I/O interface in a PXI325 board card;
the industrial personal computer 3 is in signal connection with the display screen 4 and is used for comparing received data with pre-stored data and displaying a compared detection result through the display screen 4; the industrial personal computer 3 develops a detection interface design unit on the display screen 4 through National Instruments CVI virtual instrument development software, and the detection result information is displayed on the display screen 4 through the detection interface design unit; the industrial personal computer 3 can acquire signals in real time through threads, compares the acquired signals with information pre-stored in the industrial personal computer 3 to judge the detection result of the high-speed channel signals under the working condition of a gun length or a car length, and applies an indicator lamp on the display screen 4 to display the detection result.
As shown in fig. 1, the above detection method includes the following steps:
step S10, a high-speed signal of the tested equipment 5 is obtained by utilizing a high-speed signal spread spectrum speed-reducing processing unit of the signal detection device, and frequency division and speed-reducing processing are sequentially carried out on the obtained high-speed signal; the high-speed signal spread spectrum speed-reducing processing unit obtains a high-speed signal of the tested equipment 5 through a chip, wherein the high-speed signal is a microsecond narrow pulse signal;
step S20, the I/O signal generating unit 2 is used for collecting data of signals after the deceleration processing, and the collected data are sent to the industrial personal computer 3; the I/O signal generating unit 2 is an I/O interface in a board card.
Step three S30, the industrial personal computer 3 compares the acquired data with the pre-stored data, and displays the compared detection result through the display screen 4; when data are collected, the industrial personal computer 3 collects the data in real time through threads, and develops a detection interface design unit through National Instruments CVI virtual instrument development software, and the detection interface design unit displays detection results on the display screen 4. The detection interface design unit may display the comparison result by means of an indicator light in the display screen 4.
The high-speed signal quality detection method comprises the steps of acquiring a high-speed signal of tested equipment 5 by using a high-speed signal spread spectrum speed reduction processing unit, sequentially carrying out frequency division and speed reduction processing on the acquired high-speed signal, transmitting signal data after the speed reduction processing to an industrial personal computer 3 by using an I/O signal generation unit 2, comparing the data by using the industrial personal computer 3, and displaying a detection result by using a display screen 4; the high-speed signal quality detection method can be used for detecting the high-speed signal quality of the tested equipment 5 under various simulated extreme environments, can be used for simultaneously detecting the high-speed signal quality of the combat vehicle under two working conditions of gun length and vehicle length, and can be used for judging the high-speed signal detection result under the two working conditions simply, intuitively and clearly; therefore, the signal quality of the output signal of the device under test 5 can be independently detected by the above-described detection method.
In the third step of the detection method, the industrial personal computer 3 acquires data in real time through threads, develops a detection interface design unit through virtual instrument development software, and displays a comparison result through an indicator light in the display screen 4; the industrial personal computer 3 can acquire real-time data of the tested equipment 5 through threads and can comprehensively and real-time detect the high-speed signal quality of the tested equipment 5; and the display screen 4 is used for displaying the result through the indicator lamp, and the detection result can be clear at a glance through the color or brightness of the indicator lamp, so that the test personnel can read the detection result conveniently.
The high-speed signal quality detection device comprises a high-speed signal frequency division and speed reduction processing unit 1, an I/O signal generation unit 2, an industrial personal computer 3 and a display screen 4; the high-speed signal frequency division and speed reduction processing unit 1 is used for collecting high-speed signals from the tested equipment 5 and sequentially carrying out frequency division and speed reduction processing on the collected high-speed signals; the I/O signal generating unit 2 is used for acquiring the signals processed by the high-speed signal frequency division speed reduction processing unit 1 and transmitting acquired data to the industrial personal computer 3; the industrial personal computer 3 is in signal connection with the display screen 4 and is used for comparing received data with pre-stored data and displaying a compared detection result through the display screen 4; the high-speed signal quality detection device with the structure can detect the high-speed signal of the tested equipment 5, and can independently perform tests such as high-low temperature and impact vibration on the tested equipment 5 before loading, so that the reliability and the accuracy of the tested equipment 5 when the tested equipment enters extreme environments such as a hot zone, a cold zone and the like along with the whole car are ensured.
By adopting the high-speed signal quality detection method and the high-speed signal quality detection device, the high-speed signal of the tested equipment 5 can be detected, the high-speed signal under the working condition of a gun length and the high-speed signal under the working condition of a car length can be detected simultaneously, the detection principle is simple, and the performance of judging the high-speed signal can be observed directly.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The high-speed signal quality detection method is characterized in that the detection method adopts a signal detection device for detection, and the signal detection device comprises a high-speed signal frequency division and speed reduction processing unit, an I/O signal generation unit, an industrial personal computer and a display screen; the detection method comprises the following steps:
step one, a high-speed signal of tested equipment is obtained by utilizing a high-speed signal spread spectrum speed-reducing processing unit of a signal detection device, and frequency division and speed-reducing processing are sequentially carried out on the obtained high-speed signal;
step two, the signals after the speed reduction processing are subjected to data acquisition by utilizing an I/O signal generating unit, and the acquired data are sent to an industrial personal computer;
and thirdly, comparing the acquired data with pre-stored data by the industrial personal computer, and displaying the compared detection result through a display screen.
2. The method of claim 1, wherein in the third step, the industrial personal computer collects data in real time through a thread and develops a detection interface design unit through virtual instrument development software, and the detection interface design unit displays the detection result on a display screen.
3. The high-speed signal quality detecting method according to claim 2, wherein in step three, the detection interface designing unit displays the comparison result by an indicator lamp in the display screen.
4. The method for detecting high-speed signal quality according to any one of claims 1 to 3, wherein in the first step, the high-speed signal spread spectrum speed-reducing processing unit obtains a high-speed signal of the device under test through a chip, and the high-speed signal is a microsecond-level narrow pulse signal;
in the second step, the I/O signal generating unit is an I/O interface in the board card.
5. The high-speed signal quality detection device is characterized by comprising a high-speed signal frequency division and speed reduction processing unit, an I/O signal generating unit, an industrial personal computer and a display screen;
the high-speed signal frequency division and speed reduction processing unit is used for connecting tested equipment, collecting high-speed signals from the tested equipment, and sequentially carrying out frequency division and speed reduction processing on the collected high-speed signals;
the I/O signal generation unit is in signal connection with the high-speed signal frequency division and speed reduction processing unit and the industrial personal computer, and is used for collecting signals processed by the high-speed signal frequency division and speed reduction processing unit and sending collected data to the industrial personal computer;
the industrial personal computer is in signal connection with the display screen and is used for comparing received data with pre-stored data and displaying the compared detection result through the display screen.
CN202211540461.9A 2022-12-02 2022-12-02 High-speed signal quality detection method and device Pending CN116183192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211540461.9A CN116183192A (en) 2022-12-02 2022-12-02 High-speed signal quality detection method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211540461.9A CN116183192A (en) 2022-12-02 2022-12-02 High-speed signal quality detection method and device

Publications (1)

Publication Number Publication Date
CN116183192A true CN116183192A (en) 2023-05-30

Family

ID=86447798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211540461.9A Pending CN116183192A (en) 2022-12-02 2022-12-02 High-speed signal quality detection method and device

Country Status (1)

Country Link
CN (1) CN116183192A (en)

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