CN203909578U - Multipolar radio-frequency signal generating device - Google Patents
Multipolar radio-frequency signal generating device Download PDFInfo
- Publication number
- CN203909578U CN203909578U CN201420228774.5U CN201420228774U CN203909578U CN 203909578 U CN203909578 U CN 203909578U CN 201420228774 U CN201420228774 U CN 201420228774U CN 203909578 U CN203909578 U CN 203909578U
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- radio
- control
- radiofrequency signal
- frequency signal
- phase shifter
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- 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 utility model relates to the technical fields of radio-frequency signal polarization characteristic control and regeneration, and discloses a multipolar radio-frequency signal generating device. The device comprises a power divider, digital control attenuators, digital phase shifters, a single-chip controller and a double-ridge cone horn antenna. A first output terminal of the power divider connected with a radio-frequency signal input terminal is connected with one terminal of the double-ridge cone horn antenna through one path of polarization characteristic radio-frequency signal circuit composed of the digital control attenuator and the digital phase shifter. A second output terminal of the power divider is connected with the other terminal of the double-ridge cone horn antenna through the other path of polarization characteristic radio-frequency signal circuit composed of the digital control attenuator and the digital phase shifter. According to the utility model, the polarization characteristics of the radio-frequency signal can be quickly changed in real time, or the polarization characteristics of the radio-frequency signal can be quickly changed according to a control command transmitted by a host computer. The real-time control on the polarization characteristics of radio-frequency signals is achieved. Besides, the multipolar radio-frequency signal generating device is simple in structure and convenient in control.
Description
Technical field
The utility model relates to radiofrequency signal polarization characteristic control technology field, relates in particular to the device that a kind of multipolarization radiofrequency signal produces.
Background technology
At present, known radiofrequency signal polarization properties control technology and generation device complex structure, the polarization properties of radiofrequency signal can not be controlled and change fast, generally can only export the radiofrequency signal of single polarization properties, radiofrequency signal polarizing control is dumb, switch speed between polarization pattern is fast not, the fast-changing application demand of the radiofrequency signal of can not satisfying the demand polarization properties.
Summary of the invention
For overcoming the deficiencies in the prior art, the device that the utility model provides a kind of multipolarization radiofrequency signal to produce, can change in real time the polarization properties of institute's radiated radio frequency (RF) signal, and can make the polarization properties of the radiofrequency signal of institute's radiation realize programmed control by the controller of this device, also can control in real time by host computer the polarization properties of radiofrequency signal.
The technical scheme in the invention for solving the technical problem is:
The device that a kind of multipolarization radiofrequency signal produces, include power splitter, numerical-control attenuator, digital phase shifter, singlechip controller and two ridge conical-horn antenna, power splitter the first output terminal being connected with radio-frequency (RF) signal input end is connected with one end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by a route numerical-control attenuator; Described power splitter the second output terminal is connected with the other end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by another route numerical-control attenuator; And the numerical-control attenuator on each road is connected with singlechip controller by control signal wire with digital phase shifter, or be connected with the singlechip controller that is connected host computer.
The device that multipolarization radiofrequency signal produces, described singlechip controller is 51 single-chip microcomputers of eight, or is the ARM single-chip microcomputer of 32, the output terminal of singlechip controller is multiple data I/O output interfaces; The input end I/O interface of singlechip controller or be connected with the control interface of host computer.
The device that multipolarization radiofrequency signal produces, the 3db power splitter that described power splitter is one-to-two.
Owing to adopting technical scheme as above, the utlity model has following superiority:
The device that a kind of multipolarization radiofrequency signal produces, by radiofrequency signal input interface input radio frequency signal, utilize controller to control numerical-control attenuator and digital phase shifter, realize the control to radio frequency signal amplitude attribute and polarization properties, then be radiated space by two ridge conical-horn antennas with two excitation interfaces.It controls simple, clear in structure, can realize in real time, change rapidly the polarization properties of radiofrequency signal, or change rapidly the polarization properties of radiofrequency signal by host computer.Can also, by control interface and host computer communication, realize the real-time control of radiofrequency signal polarization properties.
Brief description of the drawings
Fig. 1 is a kind of circuit block diagram of multipolarization radio frequency signal generating device;
The explanation of interface in figure: in figure, top, left side interface is radiofrequency signal input interface; In figure, right side interface is radiofrequency signal output interface; Below, left side interface is computer control interface.
Embodiment
As shown in Figure 1, the device that a kind of multipolarization radiofrequency signal produces, include power splitter, numerical-control attenuator, digital phase shifter, singlechip controller and two ridge conical-horn antenna, power splitter the first output terminal being connected with radio-frequency (RF) signal input end is connected with one end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by a route numerical-control attenuator; Described power splitter the second output terminal is connected with the other end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by another route numerical-control attenuator; And the numerical-control attenuator on each road is connected with singlechip controller by control signal wire with digital phase shifter, or be connected with the singlechip controller that is connected host computer.Described power splitter is the 3db power splitter of one-to-two.
3dB power splitter in Fig. 1: the radiofrequency signal of input is divided into two-way radiofrequency signal; Numerical-control attenuator: can change the amplitude attribute by this attenuator radiofrequency signal by digital control instruction.Digital phase shifter: can change by the phase attributes of this phase shifter radiofrequency signal by digital control instruction.Antenna: there is the double-click conical-horn antenna of level and vertical drive interface, realize the space of radiofrequency signal and synthesize and radiation.
Singlechip controller: be the control center of this device, realize based on one-chip computer, comprise the program of single-chip microcomputer machine operation, according to program or the order that receives, complete the control to numerical-control attenuator and digital phase shifter.Different steering order figure places have determined different control steps, thereby have determined the control accuracy to radio frequency polarizations attribute.
Control interface: can with host computer communication, can control in real time by host computer if desired the polarization properties of radiofrequency signal.
Embodiment one
A kind of method that multipolarization radiofrequency signal produces, it is the radiofrequency signal of utilizing point inputs such as power splitter, amplitude and the phase attributes of the signal of the two-way polarization properties radiofrequency signal circuit by singlechip controller control connection corresponding to power splitter output terminal, specifically be implemented as follows: the numerical-control attenuator of the output terminal Yu Mei road polarization properties radiofrequency signal circuit of singlechip controller is connected with digital phase shifter, and control amplitude and the phase attributes of the numerical-control attenuator of two-way polarization properties radiofrequency signal circuit and the signal of digital phase shifter, make the polarization properties radiofrequency signal of two-way polarization properties radiofrequency signal circuit, on two ridge conical-horn antennas, orthogonal synthetic radiation has the radiofrequency signal of multipolarization attribute, thereby reach the object of quick control and adjustment radiofrequency signal polarization properties.Described singlechip controller is 51 single-chip microcomputers of eight, or is the ARM single-chip microcomputer of 32, and the output terminal of singlechip controller is multiple data I/O output interfaces.
According to the composition principle of radiofrequency signal and control technology, first utilize power splitter that radiofrequency signal is divided and made equal two paths of signals, then utilize respectively numerical-control attenuator to change the amplitude attribute of two paths of signals, utilize digital phase shifter to change the phase attributes of two paths of signals, carry out again orthogonal synthetic method by synthetic the radiofrequency signal that has changed amplitude and polarization properties, obtain and there is the radiofrequency signal of expecting polarization properties.
As shown in Figure 1, the radiofrequency signal of input enters this device from the radiofrequency signal input interface of this device, break it into two through power splitter, two paths of signals is through numerical-control attenuator and digital phase shifter separately, utilize controller to control respectively two paths of signals amplitude and phase-shift phase separately, be then coupled to respectively the horizontal and vertical excitation mouthful of two ridge conical-horn antennas, synthetic rear output, thereby make radiofrequency signal after synthetic there is the polarization properties of expectation, give off by electromagnetic horn.
This device can be as required, give off by controlling the phase and magnitude of two-way radiofrequency signal the radiofrequency signal of expecting polarization properties, can give off horizontal polarization, vertical polarization, circular polarisation and be the radiofrequency signal of left-hand circular polarization and right-handed circular polarization, inclined polarization.
Embodiment two
The input end I/O interface of singlechip controller or be connected with the control interface of host computer, with the host computer communication of host computer, reach host computer in real time or the object of programmed control radiofrequency signal polarization properties.
Claims (3)
1. the device that multipolarization radiofrequency signal produces, it is characterized in that: include power splitter, numerical-control attenuator, digital phase shifter, singlechip controller and two ridge conical-horn antenna, power splitter the first output terminal being connected with radio-frequency (RF) signal input end is connected with one end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by a route numerical-control attenuator; Described power splitter the second output terminal is connected with the other end of two ridge conical-horn antennas with the radiofrequency signal circuit that digital phase shifter forms polarization properties by another route numerical-control attenuator; And the numerical-control attenuator on each road is connected with singlechip controller by control signal wire with digital phase shifter, or be connected with the singlechip controller that is connected host computer.
2. the device that a kind of multipolarization radiofrequency signal according to claim 1 produces, is characterized in that: described singlechip controller is 51 single-chip microcomputers of eight, or is the ARM single-chip microcomputer of 32, the output terminal of singlechip controller is multiple data I/O output interfaces; The input end I/O interface of singlechip controller or be connected with the control interface of host computer.
3. the device that a kind of multipolarization radiofrequency signal according to claim 1 produces, is characterized in that: the 3db power splitter that described power splitter is one-to-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228774.5U CN203909578U (en) | 2014-05-07 | 2014-05-07 | Multipolar radio-frequency signal generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228774.5U CN203909578U (en) | 2014-05-07 | 2014-05-07 | Multipolar radio-frequency signal generating device |
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| Publication Number | Publication Date |
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| CN203909578U true CN203909578U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420228774.5U Expired - Fee Related CN203909578U (en) | 2014-05-07 | 2014-05-07 | Multipolar radio-frequency signal generating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007718A (en) * | 2014-05-07 | 2014-08-27 | 中国人民解放军63892部队 | Method and device for generating multi-polarization radio frequency signals |
| CN108777369A (en) * | 2018-05-24 | 2018-11-09 | 湖南国科锐承电子科技有限公司 | A kind of antenna polarization instantaneous change device based on digital phase shifter |
| CN111293394A (en) * | 2020-02-28 | 2020-06-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ultra-wideband orthogonal switchable equal power dividing bridge |
-
2014
- 2014-05-07 CN CN201420228774.5U patent/CN203909578U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007718A (en) * | 2014-05-07 | 2014-08-27 | 中国人民解放军63892部队 | Method and device for generating multi-polarization radio frequency signals |
| CN108777369A (en) * | 2018-05-24 | 2018-11-09 | 湖南国科锐承电子科技有限公司 | A kind of antenna polarization instantaneous change device based on digital phase shifter |
| CN111293394A (en) * | 2020-02-28 | 2020-06-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ultra-wideband orthogonal switchable equal power dividing bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150507 |
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| EXPY | Termination of patent right or utility model |