CN104655942A - Automatic antenna pattern testing system - Google Patents
Automatic antenna pattern testing system Download PDFInfo
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- CN104655942A CN104655942A CN201310577767.6A CN201310577767A CN104655942A CN 104655942 A CN104655942 A CN 104655942A CN 201310577767 A CN201310577767 A CN 201310577767A CN 104655942 A CN104655942 A CN 104655942A
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- chip microcomputer
- single chip
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Abstract
The invention discloses an automatic antenna pattern testing system, which comprises a single chip microcomputer system and a power supply module connected with the single chip microcomputer system for providing power for the system, wherein the input end of the single chip microcomputer system is connected with a keyboard control module and a receiver; the output end of the single chip microcomputer system is connected with an LCD display module and a data storage module; the single chip microcomputer system is also connected with an antenna turntable via a driving module; the receiver is connected with a signal generator; and USB equipment is connected with the single chip microcomputer system via a USB interface chip. According to the automatic antenna pattern testing system, a manual testing function is provided; movement of the turntable, acquisition, display and storage of antenna signals and drawing of the pattern can be controlled through external input signals; the system is stable; functions are comprehensive; control is convenient; the cost is saved; the measurement precision is high; and popularization and use are facilitated.
Description
Technical field
The invention belongs to antenna technical field, be specifically related to a kind of antenna pattern automatic measurement system.
Background technology
So-called antenna radiation pattern, refer to from antenna a distance, the figure that the relative field strength (normalization modulus value) of radiation field changes with direction, usual employing is represented by two orthogonal plane pattern on antenna greatest irradiation direction, antenna radiation pattern is the important figure weighing antenna performance, can observe the parameters of antenna from antenna radiation pattern.
Early stage antenna measurement mainly relies on craft, error is large, efficiency is low, along with the development of computer science and technology, there is the automatic control system for antenna measurement, but the system developed is mainly used in commercial field in the past, can not for experimental study, teaching practice and small size antenna engineering test to the requirement of Antenna testing system, and cost is high, the R&D cycle is long, and therefore its market scope is less.
According to the broesight of antenna, adopt the revolving antenna method.Fixing radiating antenna, as transmission antennas transmit electromagnetic wave, rotates tested antenna and receives, measure the signal level at different angles place in tested scope, just can obtain the directional diagram of tested antenna.Do not need all to carefully study space every bit in actual measurement, only need that measurement two is mutually perpendicular comprises the E face in greatest irradiation direction and the directional diagram in H face.
Therefore, the Antenna testing system that a kind of cost is low, control conveniently, be suitable for middle-size and small-size scientific research demand is urgently developed.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of antenna pattern automatic measurement system.Present system is stable, complete function, control convenience, cost savings, measuring accuracy are high, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of antenna pattern automatic measurement system, its special character is, the power module for system power supply comprising Single Chip Microcomputer (SCM) system and be connected with described Single Chip Microcomputer (SCM) system, the input end of described Single Chip Microcomputer (SCM) system and keyboard control module, receiver is connected, the output terminal of described Single Chip Microcomputer (SCM) system and LCD display module, data store mould and are connected, described Single Chip Microcomputer (SCM) system is also connected with antenna rotating platform by driver module, described receiver is connected with signal generator, USB device is connected with described Single Chip Microcomputer (SCM) system by USB interface chip.
Above-mentioned Single Chip Microcomputer (SCM) system is MSP430 single-chip microcomputer.
Above-mentioned LCD display module is the 12864LCD display with Chinese word library.
What above-mentioned driver module exported is exchange 24V voltage.
Above-mentioned keyboard control module is determinant nonencoded keyboard.
Above-mentioned signal generator is radiating antenna.
Above-mentioned USB interface chip is CH375USB interface chip.
The present invention compared with prior art has the following advantages:
1, the present invention utilizes Single-chip Controlling antenna rotating platform to rotate by test request, and solve manually-operated inconvenience, degree of accuracy is high, and intelligence degree is good.
2, the present invention is for being erected at ground antenna, and the data according to collecting draw directional diagram with rectangular coordinate system, and intuitive is higher, is convenient to analyze.
In sum, present system is stable, complete function, control convenience, cost savings, measuring accuracy are high, be convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention.
Description of reference numerals:
1-Single Chip Microcomputer (SCM) system; 2-power module; 3-LCD display module; 4-driver module; 5-antenna rotating platform;
6-keyboard control module; 7-signal generator; 8-receiver; 9-USB equipment; 10-USB interface chip; 11-data memory module.
Embodiment
As shown in Figure 1, the power module 2 for system power supply that the present invention includes Single Chip Microcomputer (SCM) system 1 and be connected with described Single Chip Microcomputer (SCM) system 1, the input end of described Single Chip Microcomputer (SCM) system 1 is connected with keyboard control module 6, receiver 8, the output terminal of described Single Chip Microcomputer (SCM) system 1 is connected with LCD display module 3, data memory module 11, described Single Chip Microcomputer (SCM) system 1 is also connected with antenna rotating platform 5 by driver module 4, described receiver 8 is connected with signal generator 7, and USB device 9 is connected with described Single Chip Microcomputer (SCM) system 1 by USB interface chip 10.
In the present embodiment, described Single Chip Microcomputer (SCM) system 1 is MSP430 single-chip microcomputer.
In the present embodiment, described LCD display module 3 is the 12864LCD display with Chinese word library.
In the present embodiment, what described driver module 4 exported is exchange 24V voltage.
In the present embodiment, described keyboard control module 6 is determinant nonencoded keyboard.
In the present embodiment, described signal generator 7 is radiating antenna.
In the present embodiment, described USB interface chip 10 is CH375USB interface chip.
In actual use procedure, in measuring process, determinant nonencoded keyboard is articulated in MSP430 single-chip microcomputer and has on the I/O mouth of interrupt function, with interrupt mode work, relevant control order parameter is sent to MSP430 single-chip microcomputer, and MSP430 single-chip microcomputer converts thereof into electric pulse and drives antenna rotating platform 5 smooth rotation through driver module 4.The operating voltage of antenna rotating platform 5 exchanges 24V, and nominal load is 18KG, and horizontal rotating speed is 6 degree per second.Draw the variable quantity that directional diagram only needs angle, adopt the method for interrupt timing to produce fixing angle by timer module in MSP430 single-chip microcomputer, antenna is rotated by test request.
The signals collecting of antenna is completed by receiver 8, receiver 8 collects the aerial radiation signal that signal generator 7 sends, transfer signals to MSP430 single-chip microcomputer again, MSP430 single-chip microcomputer inside is integrated with ADC12 module, the analog electromagnetic signal of collection can be converted to digital signal, again by MSP430 single-chip microcomputer analyzing and processing, finally signal is presented in LCD display module 3 in rectangular coordinate mode intuitively, be convenient to visualize and analyze antenna radiation pattern information, simultaneously signal stored in data memory module 11 so that subsequent calls.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (7)
1. an antenna pattern automatic measurement system, it is characterized in that: the power module (2) for system power supply comprising Single Chip Microcomputer (SCM) system (1) and be connected with described Single Chip Microcomputer (SCM) system (1), the input end of described Single Chip Microcomputer (SCM) system (1) and keyboard control module (6), receiver (8) is connected, the output terminal of described Single Chip Microcomputer (SCM) system (1) and LCD display module (3), data memory module (11) is connected, described Single Chip Microcomputer (SCM) system (1) is also connected with antenna rotating platform (5) by driver module (4), described receiver (8) is connected with signal generator (7), USB device (9) is connected with described Single Chip Microcomputer (SCM) system (1) by USB interface chip (10).
2. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: described Single Chip Microcomputer (SCM) system (1) is MSP430 single-chip microcomputer.
3. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: described LCD display module (3) is the 12864LCD display with Chinese word library.
4. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: what described driver module (4) exported is exchange 24V voltage.
5. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: described keyboard control module (6) is determinant nonencoded keyboard.
6. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: described signal generator (7) is radiating antenna.
7. a kind of antenna pattern automatic measurement system according to claims 1, is characterized in that: described USB interface chip (10) is CH375USB interface chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577767.6A CN104655942A (en) | 2013-11-19 | 2013-11-19 | Automatic antenna pattern testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310577767.6A CN104655942A (en) | 2013-11-19 | 2013-11-19 | Automatic antenna pattern testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104655942A true CN104655942A (en) | 2015-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310577767.6A Withdrawn CN104655942A (en) | 2013-11-19 | 2013-11-19 | Automatic antenna pattern testing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104655942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291129A (en) * | 2015-06-01 | 2017-01-04 | 北京空间飞行器总体设计部 | Phased array antenna far-field pattern measuring method |
| CN112067904A (en) * | 2020-09-08 | 2020-12-11 | 中国人民解放军国防科技大学 | Method for measuring full-space radiation characteristics of antenna |
-
2013
- 2013-11-19 CN CN201310577767.6A patent/CN104655942A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291129A (en) * | 2015-06-01 | 2017-01-04 | 北京空间飞行器总体设计部 | Phased array antenna far-field pattern measuring method |
| CN112067904A (en) * | 2020-09-08 | 2020-12-11 | 中国人民解放军国防科技大学 | Method for measuring full-space radiation characteristics of antenna |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150527 |