CN111537964A - Multi-channel digital sub-vibration automatic test method - Google Patents
Multi-channel digital sub-vibration automatic test method Download PDFInfo
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- CN111537964A CN111537964A CN202010302369.3A CN202010302369A CN111537964A CN 111537964 A CN111537964 A CN 111537964A CN 202010302369 A CN202010302369 A CN 202010302369A CN 111537964 A CN111537964 A CN 111537964A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
Abstract
The invention relates to a multi-channel digital sub-vibration automatic test method, which is characterized in that a central control unit sets the working state of a channel gating network, and the channel gating network connects a port to be tested of a tested piece with a port of a test instrument to realize measurement; after the tested piece port index test is finished, the instrument feeds back a test finishing signal to the central control unit, and then the central control unit sends a channel switching instruction to the channel gating network to measure the next channel index. The artificial participation links are reduced to the maximum extent, the working efficiency is improved, and the aim of engineering realization is easy to realize. Experiments prove that the effect is ideal. The problem of the automatic test of multichannel digit son shake is solved, the efficiency of test has been improved. Experiments prove that the effect is ideal.
Description
Technical Field
The technology belongs to the field of digital array radar receiving/transmitting sub-vibration testing, and is applied to a multi-channel digital receiving/transmitting sub-vibration automatic testing system.
Background
In radar systems, especially digital array radars and multi-beam detection systems, multi-beam combining and signal transmission are usually implemented by using a plurality of sub-arrays, and the number of sub-arrays can be up to tens or hundreds. The number of channels of each subarray is more than dozens and dozens. In the process of developing and testing the subarrays, at least dozens of testing indexes of each channel exist, and the workload in the process of testing is very large. Testing using a stand-alone test system typically has the following problems:
1) huge manpower and resource occupation are consumed;
2) the testing efficiency is low and the reliability is not high;
3) inaccurate measurement caused by human factors, and the like;
in order to solve the problems, the invention adopts the mechanical switch to gate the channel of the tested piece, and utilizes the mechanical switch to gate the connection between different measurement indexes and the test instrument, thereby reducing the manual participation link to the maximum extent, improving the working efficiency and being easy for the engineering realization. Experiments prove that the effect is ideal. The problem of the automatic test of multichannel digit son shake is solved, the efficiency of test has been improved.
Disclosure of Invention
Technical problem to be solved
In order to avoid the defects of the prior art, the invention provides a method capable of automatically switching channels, which solves the problem of automatic measurement of multi-channel digital transmitting-receiving sub-vibration, simplifies the work of manually connecting the port of a tested piece, improves the measurement efficiency of multi-channel digital sub-vibration, and solves the problem of low measurement efficiency of multi-channel digital sub-vibration.
Technical scheme
A multi-channel digital sub-vibration automatic test method is characterized by comprising a central control unit, a measuring instrument, a channel gating network, an interface conversion plate and a multi-channel digital transmitting and receiving sub-array; the method comprises the following steps:
step 1: the central control unit sends out a control instruction, and the instruction sets the working state of a tested element, namely a multi-channel digital transceiving subarray, through an interface conversion plate, wherein the working state comprises a receiving state or a transmitting state; meanwhile, the tested piece feeds back whether a feedback instruction for finishing the setting of the working state is set or not to the central control unit;
step 2: after the preparation of the working state of the tested piece is finished, setting a working channel of the tested piece;
and step 3: setting a corresponding channel gating state of a channel gating network after the preparation of the working channel state of the tested workpiece is received;
and 4, step 4: the measuring function of the measuring instrument is set through the central control unit, index measurement is carried out, and a measuring result is fed back; after the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is carried out;
and 5: after circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
The channel gating network is realized by adopting a mechanical switch.
Advantageous effects
By adopting the technical scheme, the invention forms the automatic test method of the multi-channel digital sub-oscillator, and compared with the prior art, the method has the following advantages:
1) the testing efficiency is obviously improved;
2) the process of human participation is reduced;
3) and realizing test automation control.
Drawings
FIG. 1 block diagram of an implementation of the present invention
FIG. 2 is a block diagram of the process flow of the present invention
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
1. fig. 1 is a block diagram of an automatic testing method for multi-channel digital oscillation. The main function module comprises a central control unit, a measuring instrument, a channel gating network and an auxiliary function module.
A central control unit: the main functions are communication and control, information interaction is carried out between the main function and a tested piece and the external part, and the working state of the channel gating network is set; the control channel gates the cooperative working state of the network, the measuring instrument, the auxiliary function module and the receiving and transmitting sub-vibration, and transmits the measuring information and the control state information among the function modules, thereby realizing the purpose of automatically testing the multi-channel digital sub-vibration;
a measuring instrument: the device consists of a special measuring instrument and is mainly used for quantifying and reading various indexes of a measured piece;
a channel gating network: the function of automatically switching the channel to be tested of the tested piece is realized under the control of the central control unit; connecting a port to be tested of a tested piece with a port of a test instrument to realize measurement;
an auxiliary function module: auxiliary functions such as interface conversion, power supply and the like are provided for the multi-channel digital sub-oscillator automatic test, and the reliable realization of the test method is guaranteed;
a transmitting and receiving subarray: the device refers to a measured piece of an automatic measuring system, namely a multi-channel digital transceiver oscillator.
2. Fig. 2 shows a system processing flow. The central control unit sends out a control instruction, the instruction sets the working state (receiving state or transmitting state) of a tested piece (multi-pass digital transceiver vibration, hereinafter referred to as a tested piece) through the interface conversion plate, and meanwhile, the tested piece feeds back whether a feedback instruction for finishing the working state setting is set to the central control unit; and after the preparation of the working state of the tested piece is finished, continuously setting the working channel of the tested piece. And setting the corresponding channel gating state of the channel gating network after the working channel state preparation of the tested piece is received.
And then, the working state is set, and then the measuring function of the instrument is set through the central control unit, so that index measurement is carried out, and a measuring result is fed back. After the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is started.
After circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
The invention utilizes the idea of nested loop detection to measure complicated multi-channel indexes, simplifies the universal design, realizes channel gating by utilizing a feedback function and an electronic switch, realizes the automatic measurement of multi-channel digital sub-vibration, and greatly improves the measurement efficiency of the multi-channel sub-vibration.
Claims (2)
1. A multi-channel digital sub-vibration automatic test method is characterized by comprising a central control unit, a measuring instrument, a channel gating network, an interface conversion plate and a multi-channel digital transmitting and receiving sub-array; the method comprises the following steps:
step 1: the central control unit sends out a control instruction, and the instruction sets the working state of a tested element, namely a multi-channel digital transceiving subarray, through an interface conversion plate, wherein the working state comprises a receiving state or a transmitting state; meanwhile, the tested piece feeds back whether a feedback instruction for finishing the setting of the working state is set or not to the central control unit;
step 2: after the preparation of the working state of the tested piece is finished, setting a working channel of the tested piece;
and step 3: setting a corresponding channel gating state of a channel gating network after the preparation of the working channel state of the tested workpiece is received;
and 4, step 4: the measuring function of the measuring instrument is set through the central control unit, index measurement is carried out, and a measuring result is fed back; after the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is carried out;
and 5: after circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
2. The method according to claim 1, wherein the channel gating network is implemented by using a mechanical switch.
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| CN202010302369.3A CN111537964A (en) | 2020-04-16 | 2020-04-16 | Multi-channel digital sub-vibration automatic test method |
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| CN202010302369.3A CN111537964A (en) | 2020-04-16 | 2020-04-16 | Multi-channel digital sub-vibration automatic test method |
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| CN202010302369.3A Pending CN111537964A (en) | 2020-04-16 | 2020-04-16 | Multi-channel digital sub-vibration automatic test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406550A (en) * | 2021-07-29 | 2021-09-17 | 深圳国人无线通信有限公司 | Current detection calibration method and system |
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2020
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| WO2017000560A1 (en) * | 2015-06-30 | 2017-01-05 | 中兴通讯股份有限公司 | Radio remote unit and test method therefor |
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| CN113406550A (en) * | 2021-07-29 | 2021-09-17 | 深圳国人无线通信有限公司 | Current detection calibration method and system |
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Application publication date: 20200814 |