CN105223539B - One kind lift-off interferometer direction finding system - Google Patents
One kind lift-off interferometer direction finding system Download PDFInfo
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- CN105223539B CN105223539B CN201510692387.6A CN201510692387A CN105223539B CN 105223539 B CN105223539 B CN 105223539B CN 201510692387 A CN201510692387 A CN 201510692387A CN 105223539 B CN105223539 B CN 105223539B
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- antenna
- support arm
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- interface
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Classifications
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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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/32—Electron compasses
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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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Go up to the air interferometer direction finding system, including direction-finding equipment and for direction-finding equipment to be mounted on carry-on hanging device the invention discloses one kind；The direction-finding equipment includes electronic compass, direction-finder antenna, receiver, X86 processing boards, WIFI module and WIFI omnidirectional antennas, GPS module and gps antenna；The output terminal of the gps antenna is connected with GPS module；The output terminal of GPS module and electronic compass is connected with X86 processing boards respectively, and the output terminal of the direction-finder antenna is connected with receiver, and receiver is connected with X86 processing boards, and X86 processing boards are connected with WIFI module；WIFI module is communicated wirelessly by the direction finding monitoring terminal on WIFI omnidirectional antennas and ground.The present invention provides one kind lift-off interferometer direction finding system direction-finding system, there is GPS positioning and electronic compass navigation orientation at the same time, data acquisition, reception and processing can intactly be carried out, and the data after processing be can effectively ensure that into the real-time of data transfer by direction finding monitoring terminal of the wireless communication transmission to ground.
Description
Technical field
The present invention relates to one kind lift-off interferometer direction finding system.
Background technology
Extensive utilization of the radio magnetic wave in production and living, direction-finding station technology also grows up therewith, wirelessly
Electrical measurement uses the process of instrument and equipment measure radio wave arrival bearing to being according to propagation properties；Measure " incoming wave side
To ", refer to the direction that electric wave reaches in the tangible electromagnetic environment in direction-finder set location, direction-finding station, common final purpose
It is to determine " direction of radiation source " and " specific location of radiation source ".
If carrying out electromagnetic wave direction finding on ground, due to landform reason, effect is poor, and accuracy is low, current wireless electrical measurement
Developing to technology to Aerial Direction Finding, i.e., carried using aircraft and carry out direction finding；
But all it is still not perfect in the technical elements such as equipment carrying and signal processing at present.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind lift-off interferometer direction finding system direction finding system
System, while there is GPS positioning and electronic compass navigation orientation, it can intactly be carried out data acquisition, reception and place
Reason, and the data after processing be can effectively ensure that into data transfer by direction finding monitoring terminal of the wireless communication transmission to ground
Real-time.
The purpose of the present invention is what is be achieved through the following technical solutions：One kind lift-off interferometer direction finding system, including survey
To equipment and for direction-finding equipment to be mounted on carry-on hanging device；The direction-finding equipment includes electronic compass, surveys
To antenna, receiver, X86 processing boards, WIFI module and WIFI omnidirectional antennas；At the output terminal and X86 of the electronic compass
Manage plate connection, the output terminal of the direction-finder antenna is connected with receiver, and receiver is connected with X86 processing boards, X86 processing boards and
WIFI module connects；WIFI module is communicated wirelessly by the direction finding monitoring terminal on WIFI omnidirectional antennas and ground.
The direction-finding equipment further includes battery and power management plate；The battery is connected with power management plate, power supply
The output terminal of management board is connected with electronic compass, direction-finder antenna, receiver, X86 processing boards and WIFI module respectively.
The power management plate bottom is provided with radiator structure, and power management plate includes electric power management circuit.
The electronic compass includes：Control module, electronic guide pin module and locating module；Electronic guide pin module and
Locating module is connected with main control module respectively；The output terminal of main control module is connected with X86 processing boards；The electronic guide needle mould
Block includes high accuracy HMC5883L triaxial magnetic field sensors and MMA7361 3-axis acceleration sensors.
The direction-finder antenna is interferometer antenna battle array.
The receiver is digital receiver, including low-noise amplifier, frequency mixer, local oscillator driving amplifier, low pass
Wave filter, A/D convertor circuit；The low-noise amplifier receives the radiofrequency signal from direction-finder antenna, low-noise amplifier
Output terminal is connected with the first input end with frequency mixer；Second input terminal of frequency mixer connects with the output terminal of local oscillator driving amplifier
Connect；The output terminal of frequency mixer is connected with low-pass filter and A/D convertor circuit successively, output terminal and the X86 processing of A/D convertor circuit
Plate connects；
The receiver further includes local oscillation signal generator and T-shaped resistance decrement network, and the local oscillation signal occurs
The output terminal of device is connected by T-shaped resistance decrement network with local oscillator driving amplifier.
The X86 processing boards include central processing unit, memory, regulator circuit, real time clock circuit, USB interface and
RS232 interface；Central processing unit connects with memory, regulator circuit, real time clock circuit, USB interface and RS232 interface respectively
Connect；The central processing unit is also connected with the digital receiver outside X86 plates and WIFI module respectively；
The regulator circuit includes voltage input end, voltage output end and multiple zener diodes, and the voltage is defeated
Enter the power management plate that end is connected to outside, the voltage output end is connected with central processing unit；Multiple voltage stabilizings two
Pole pipe is connected in parallel between voltage input end and voltage output end；
The zener diode is transient voltage suppressor diode TVS.
Ethernet interface is additionally provided with the X86 plates, the Ethernet interface is connected with central processing unit.
The hanging device includes lower cover and the upper cover being connected with each other；The both sides of the lower cover are provided with one or more
Easy to carry in the hanging scroll on unmanned plane, the side of the lower cover, which is also distributed, is provided with power interface, WiFi antenna terminals and net
Network interface；
The bottom of the lower cover is additionally provided with is fixedly connected with port, the antenna fixed connection end for connecting the antenna of antenna
Mouth is fixedly connected with antenna connection；
The antenna is fixedly connected with port and is connected by antenna connection with antenna, and one end of the antenna connection passes through
Fixed plate is fixedly connected with port with antenna and matches connection, and the antenna connection other end is equipped with antenna to interface, the antenna
To beginning with locating slot on interface, the antenna is to being equipped with antenna electrical interface in interface.
The interferometer antenna battle array includes antenna array part and upright part；The antenna array part, which includes three, to be had
Fixed seat, three connection antennas centre fixed seats and active vertical poliarizing antenna among source vertical polarized antenna, an antenna
Support device；Fixed seat includes a support arm fixed seat, a support arm rotation seat, a support arm rotation seat among the antenna
Symmetrical member and a upright bar base；The support arm rotation seat and support arm rotation seat symmetrical member by shaft drive support device and
Active vertical poliarizing antenna is rotated horizontally, and is fixed by locking device；It is separately mounted to support arm rotation seat and support arm
The support device length of two active vertical poliarizing antennas of rotation seat symmetrical member is identical, and active installed in support arm fixed seat is hung down
The horizontal linear distance of straight poliarizing antenna and the active vertical poliarizing antenna installed in support arm rotation seat is less than λ/2, and wherein λ/2 are
The half-wavelength of maximum operating frequency；The upright part includes upright bar and the radio-frequency cable being arranged inside upright bar, described
One end of upright bar connects aerial plug and upright bar base by the tight lock tube of first antenna, and the other end of upright bar is provided with for connecting
Upright bar and the tight lock tube of the second antenna of exterior direction-finding equipment, and also surveyed by the data-interface being connected with radio-frequency cable to outside
The radiofrequency signal received to equipment transmission active vertical poliarizing antenna.
The beneficial effects of the invention are as follows：（1）There is GPS positioning and electronic compass navigation orientation at the same time, can carry out
Data acquisition, reception and processing are intactly carried out, and the data after processing are supervised by direction finding of the wireless communication transmission to ground
Terminal is surveyed, can effectively ensure that the real-time of data transfer.
（2）Power management plate is provided with, battery provides power supply to electrical equipment by power management plate, can effectively ensure that
Electrical Safety.
（3）X86 processing boards are provided with regulator circuit, can ensure the steady operation of process circuit plate.
（4）Hanging device both sides can be by hanging scroll and on unmanned plane carry part, on carry to unmanned plane, its bottom
Portion can be connected by antenna connection with interferometer direction finding antenna, so as to quickly be assembled into lift-off interferometer direction finding equipment.
（5）Interferometer antenna battle array is easily installed and dismantles, and the different active vertical of specification can be selected according to actual conditions
Poliarizing antenna, need to only be installed the antenna array part of different size；And after antenna array is using completing, by three
A active vertical poliarizing antenna is rotated to together, is conveniently stored.
Brief description of the drawings
Fig. 1 is the direction-finding equipment catenation principle block diagram of the present invention；
Fig. 2 is the schematic block circuit diagram of receiver；
Fig. 3 is the schematic block circuit diagram of X86 processing boards；
Fig. 4 is regulator circuit schematic diagram in X86 processing boards；
Fig. 5 is the front view of hanging device；
Fig. 6 is the side view of hanging device；
Fig. 7 is hanging scroll structure diagram；
Fig. 8 is the structure diagram of carry part；
Fig. 9 is the bottom view of hanging device；
Figure 10 is the lower cover polycrystalline substance schematic diagram of hanging device；
Figure 11 is 1 decomposition chart of embodiment of interferometer antenna battle array；
Figure 12 is 1 overall structure figure of embodiment of interferometer antenna battle array；
Figure 13 is fixed seat partial structural diagram among antenna；
Figure 14 is data-interface structure diagram；
Figure 15 is 2 decomposition chart of embodiment of interferometer antenna battle array；
In figure, 1- lower covers, 2- upper covers, 3- hanging scrolls, the first locating parts of 301-, the second locating parts of 302-, 303- axis bodies, 4- extensions
Holder, 401- straight slots, 402- carry connecting plates, 5- antenna connections, 501- fixed plates, 502- antennas are to interface, 503- positioning
Groove, 504- radio frequency interfaces, 505- control interfaces, 6- radiators, 7- power interfaces, 8- WiFi antenna terminals, 9- switches, 10-
Indicator light, 11- radio frequencies input wall-through connector, 12- antennas output wall-through connector, 13- network interfaces, 14- reinforcing ribs, 15- antennas
Battle array part, 16- upright parts, 17- active vertical poliarizing antennas, 18- antennas centre fixed seat, 19- support devices, 20- support arms
Fixed seat, 21- support arm rotation seats, 22- support arm rotation seat symmetrical members, 23- upright bar bases, 24- shafts, 25- upright bars, 26- antennas
Plug, 27- data-interfaces, the tight lock tube of 28- first antennas, the tight lock tube of the second antennas of 29-, the main fixed seats of 30-, 31- rotating nuts,
32- rotating nuts sets, 33- antenna fixing seats, 34- rotation backing pins.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, a kind of lift-off interferometer direction finding system, including direction-finding equipment and winged for direction-finding equipment to be mounted on
Hanging device on row device；The direction-finding equipment includes electronic compass, direction-finder antenna, receiver, X86 processing boards, WIFI moulds
Block and WIFI omnidirectional antennas；The output terminal of the electronic compass is connected with X86 processing boards, the output terminal of the direction-finder antenna
It is connected with receiver, receiver is connected with X86 processing boards, and X86 processing boards are connected with WIFI module；WIFI module is complete by WIFI
Direction finding monitoring terminal to antenna and ground communicates wirelessly.
The direction-finding equipment further includes battery and power management plate；The battery is connected with power management plate, power supply
The output terminal of management board is connected with electronic compass, direction-finder antenna, receiver, X86 processing boards and WIFI module respectively.
The power management plate bottom is provided with radiator structure, and power management plate includes electric power management circuit.
The electronic compass includes：Control module, electronic guide pin module and locating module；Electronic guide pin module and
Locating module is connected with main control module respectively；The output terminal of main control module is connected with X86 processing boards；The electronic guide needle mould
Block includes high accuracy HMC5883L triaxial magnetic field sensors and MMA7361 3-axis acceleration sensors.
The direction-finder antenna is interferometer antenna battle array.
As shown in Fig. 2, the receiver is digital receiver, including the driving of low-noise amplifier, frequency mixer, local oscillator
Amplifier, low-pass filter, A/D convertor circuit；The low-noise amplifier receives the radiofrequency signal from direction-finder antenna, low
The output terminal of noise amplifier is connected with the first input end with frequency mixer；Second input terminal of frequency mixer and local oscillator drive amplification
The output terminal connection of device；The output terminal of frequency mixer is connected with low-pass filter and A/D convertor circuit successively, A/D convertor circuit it is defeated
Outlet is connected with X86 processing boards；
The receiver further includes local oscillation signal generator and T-shaped resistance decrement network, and the local oscillation signal occurs
The output terminal of device is connected by T-shaped resistance decrement network with local oscillator driving amplifier.
As shown in figure 3, the X86 processing boards include central processing unit, memory, regulator circuit, real time clock circuit,
USB interface and RS232 interface；Central processing unit respectively with memory, regulator circuit, real time clock circuit, USB interface and
RS232 interface connects；The central processing unit is also connected with the digital receiver outside X86 plates and WIFI module respectively；
As shown in figure 4, the regulator circuit includes voltage input end, voltage output end and multiple zener diodes, institute
The voltage input end stated is connected to the power management plate of outside, and the voltage output end is connected with central processing unit；Described
Multiple zener diodes are connected in parallel between voltage input end and voltage output end；
The zener diode is transient voltage suppressor diode TVS.
As shown in figure 5, a kind of hanging monitoring and direction-finding platform, it includes lower cover 1 and the upper cover 2 being connected with each other, under described
The both sides of lid 1 are provided with one or more and are also distributed setting in the hanging scroll 3 on unmanned plane, the side of the lower cover 1 easy to carry
There are power interface 7, WiFi antenna terminals 8 and network interface 13.The side of the lower cover 1 is additionally provided with radio frequency input wall-through connector
11st, antenna output wall-through connector 12, switch 9 and indicator light 10.
Wherein, in order to reduce the volume of the present invention, and then the weight of the present invention is mitigated, network interface 13 can be with power interface
7th, WiFi antenna terminals 8, switch 9, indicator light 10, radio frequency input wall-through connector 11 and antenna output wall-through connector 12 oppose and divide
Cloth.As shown in fig. 6, a middle side part of lower cover 1 sets network interface 13.The opposite side of lower cover 1 is only sequentially distributed radio frequency from a left side
Input wall-through connector 11, antenna output wall-through connector 12, WiFi antenna terminals 8, power interface 7, switch 9 and indicator light 10.
As shown in fig. 7, further, the hanging scroll 3 includes the first locating part 301, the second locating part 302 and axis body 303,
The axis body 303 is connected through the second locating part 302 with the first locating part 301, and the first locating part 301, the second locating part 302
Axial line with axis body 303 is same axial line, 303 shape of axis body between 301 and second locating part 302 of the first locating part
Into easy to carry in the carry portion 304 on unmanned plane.
As shown in figure 8, further, the hanging scroll 3 is connected by carry part 4 with unmanned plane, one end of the carry part 4
Offer the straight slot 401 of bending, one end of the straight slot 401 is openend, and the other end of the straight slot 401 is carry end, institute
State carry portion 304 and carry end is slipped into by openend, complete carry action.The other end of the carry part 4, which is equipped with, to be used to fix
Connect the carry connecting plate 402 of unmanned plane.
The straight slot 401 of the bending such as 7 font straight slots, include the direct through groove of at least two connections, are formed at least one curved
Folding part, the straight slot 401 shown in Fig. 3 is connected by three direct through groove to be formed, and has two bending parts, restriction direct through groove of the invention
Without being using the purpose of arc-shaped slot, the stability and reliability of carry are further lifted, avoids lift-off interferometer from hanging
Carry in flight course, due to factors such as lifting and air-flows, hanging scroll is skidded off from straight slot 401.
Further, the bottom of the lower cover 1 is additionally provided with is fixedly connected with port, the antenna for connecting the antenna of antenna
It is fixedly connected with port to be fixedly connected with antenna connection 5, mutually compatible of the antenna of the antenna connection 5 and different frequency range type
Match somebody with somebody.
As shown in figure 9, further, the antenna is fixedly connected with port and is connected by antenna connection 5 with antenna, described
One end of antenna connection 5 is fixedly connected with port with antenna by fixed plate 501 and matches connection, and the antenna connection 5 is another
End is equipped with antenna to interface 502, and the antenna is to beginning with locating slot 503 on interface 502, the antenna in interface 502 to setting
There is antenna electrical interface.
Further, the antenna electrical interface includes radio frequency interface 504 and control interface 505, in of the invention, can also adopt
Designed with blindmate, such as radio frequency interface 504 can use BMA connectors, and the control interface 505 can use micro- rectangle
J30 connectors.
As shown in Figure 10, further, one or more reinforcing rib 14 can be also set in the bottom interior wall of the lower cover 1, is adopted
With four reinforcing ribs in the distribution of X-type.
Further, the side of the lower cover 1 and upper cover 2 can also set radiator 6, such as set multiple ventilation holes, will be certainly
Right wind is incorporated into inside equipment, so that the heat inside equipment be taken away, reduces the temperature of equipment.
As shown in Figure 11 and Figure 15, a kind of interferometer antenna battle array, it includes antenna array part 15 and upright part 16.
As shown in figure 12, the antenna array part 15 is included among three active vertical poliarizing antennas, 17, antennas
Fixed seat 18 and the support device 19 of active vertical poliarizing antenna 17 among 18, three connection antennas of fixed seat.
As shown in figure 13, fixed seat 18 includes 20, support arm rotation seats of a support arm fixed seat among the antenna
21st, a support arm rotation seat symmetrical member 22 and a upright bar base 23；The support arm rotation seat 21 and support arm rotation seat is symmetrical
Part 22 drives support device 19 and active vertical poliarizing antenna 17 to be rotated horizontally by shaft 24, is carried out by locking device
It is fixed.
It is separately mounted to the branch of two active vertical poliarizing antennas of support arm rotation seat 21 and support arm rotation seat symmetrical member 22
19 length of support arrangement is identical.
In order to avoid phase ambiguity, the active vertical poliarizing antenna 17 installed in support arm fixed seat 20 installed in support arm with turning
The horizontal linear distance of the active vertical poliarizing antenna 17 of dynamic seat 21 is less than λ/2, and wherein λ/2 are the half-wave of maximum operating frequency
It is long.
The distance between antenna in support arm fixed seat 20 and the antenna on support arm rotation seat 21, with peace
The distance between antenna in support arm fixed seat 20 and the antenna on support arm rotation seat symmetrical member 22 are equal, and not
More than the half-wavelength of λ/2, i.e. maximum operating frequency, phase is no more than 180 degree.We select the 150 of maximum operating frequency herein
Degree.
At this time, have two kinds of situations to produce, support device 19 is shorter and support device 19 is longer：As shown in figure 11, implement
Example 1 is that antenna distance 600mm, working frequency at this time is 70 ~ 200MHz in the case of support device 19 is longer；Such as figure
Shown in 15, embodiment 2 is antenna distance 220mm in the case of support device 19 is shorter, working frequency at this time for 200 ~
500。
The upright part 16 includes upright bar 25 and the radio-frequency cable being arranged inside upright bar 25, the upright bar 25
One end connects aerial plug 26 and upright bar base 23, as shown in figure 14, the other end of upright bar 25 by the tight lock tube 28 of first antenna
The tight lock tube 29 of the second antenna for connecting upright pole 25 and exterior direction-finding equipment is provided with, and also by being connected with radio-frequency cable
Data-interface 27 send the radiofrequency signal that active vertical poliarizing antenna 17 receives to exterior direction-finding equipment.
A kind of interferometer antenna battle array further includes main fixed seat 30, and the main fixed seat 30 passes through the tight lock tube 29 of the second antenna
Protect data-interface 27.
After antenna is using completing, after the process dismantled, the data-interface 27 of upright part 16 can be exposed to
In air, and data-interface 27 is protected using main fixed seat 30, improve the service life of whole antenna array.
The locking device includes rotating nuts 31 and rotating nuts set 32.Be provided with the shaft 24 it is multiple with
Support arm fixed seat 20 be in fixed angle locating piece, for support arm rotation seat 21 and support arm rotation seat symmetrical member 22 rotation when into
Row angle Selection.The fixed angle includes 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 135 degree and 150 degree.
Since antenna can be opened and closed up by the present invention during installing with dismounting.Angle weight can be produced
New the problem of calculating.And when the mode for employing the setting fixed angle locating piece in shaft, common angle can be carried out
Quick alignment, it is easy to use and reliable.
One end that the support device 19 connects active vertical polarized antenna 17 is provided with antenna fixing seat 33.
Rotation backing pin 34 is both provided with the support arm rotation seat 21 and support arm rotation seat symmetrical member 22.
Claims (7)
1. one kind lift-off interferometer direction finding system, including direction-finding equipment and for direction-finding equipment to be mounted on carry-on mounting
Device；The direction-finding equipment includes electronic compass, direction-finder antenna, receiver, X86 processing boards, WIFI module and WIFI omnidirectionals
Antenna, GPS module and gps antenna；The output terminal of the gps antenna is connected with GPS module；GPS module and electronic compass
Output terminal is connected with X86 processing boards respectively, and the output terminal of the direction-finder antenna is connected with receiver, receiver and X86 processing
Plate connects, and X86 processing boards are connected with WIFI module；WIFI module by WIFI omnidirectional antennas and the direction finding monitoring terminal on ground into
Row wireless telecommunications, the direction-finder antenna are interferometer antenna battle array, and the interferometer antenna battle array includes antenna array part（15）
And upright part（16）；The antenna array part（15）Including three active vertical poliarizing antennas（17）, among an antenna
Fixed seat（18）, fixed seat among three connection antennas（18）With active vertical poliarizing antenna（17）Support device（19）；Institute
Fixed seat among the antenna stated（18）Including a support arm fixed seat（20）, a support arm rotation seat（21）, a support arm rotate
Seat symmetrical member（22）With a upright bar base（23）；The support arm rotation seat（21）With support arm rotation seat symmetrical member（22）Pass through
Shaft（24）Drive support device（19）With active vertical poliarizing antenna（17）Rotated horizontally, consolidated by locking device
It is fixed；It is separately mounted to support arm rotation seat（21）With support arm rotation seat symmetrical member（22）Two active vertical poliarizing antennas support
Device（19）Length is identical, installed in support arm fixed seat（20）Active vertical poliarizing antenna（17）With installed in support arm rotation seat
（21）Active vertical poliarizing antenna（17）Horizontal linear distance be less than λ/2, wherein λ/2 for maximum operating frequency half-wave
It is long；The upright part（16）Including upright bar（25）Be arranged at upright bar（25）Internal radio-frequency cable, the upright bar
（25）One end pass through the tight lock tube of first antenna（28）Connect aerial plug（26）With upright bar base（23）, upright bar（25）It is another
End is provided with for connecting upright pole（25）With the tight lock tube of the second antenna of exterior direction-finding equipment（29）, and also by with radio frequency electrical
The data-interface of cable connection（27）Active vertical poliarizing antenna is sent to exterior direction-finding equipment（17）The radiofrequency signal received, its
It is characterized in that：The locking device includes rotating nuts（31）With rotating nuts set（32）；The shaft（24）Upper setting
There is multiple and support arm fixed seat（20）In the locating piece of fixed angle, in support arm rotation seat（21）It is symmetrical with support arm rotation seat
Part（22）Angle Selection is carried out during rotation；The fixed angle include 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 135 degree and
150 degree.
A kind of 2. lift-off interferometer direction finding system according to claim 1, it is characterised in that：The direction-finding equipment also wraps
Include battery and power management plate；The battery is connected with power management plate, the output terminal of power management plate respectively with electronics sieve
Disk, direction-finder antenna, receiver, X86 processing boards are connected with WIFI module.
A kind of 3. lift-off interferometer direction finding system according to claim 2, it is characterised in that：The power management plate bottom
Portion is provided with radiator structure, and power management plate includes electric power management circuit.
A kind of 4. lift-off interferometer direction finding system according to claim 1, it is characterised in that：The electronic compass bag
Include：Control module, electronic guide pin module and locating module；Electronic guide pin module and locating module respectively with main control module phase
Even；The output terminal of main control module is connected with X86 processing boards；The electronic guide pin module includes high accuracy tri- axis of HMC5883L
Magnetic field sensor and MMA7361 3-axis acceleration sensors.
A kind of 5. lift-off interferometer direction finding system according to claim 1, it is characterised in that：The receiver is numeral
Receiver, including low-noise amplifier, frequency mixer, local oscillator driving amplifier, low-pass filter, A/D convertor circuit；Described is low
Noise amplifier receives the radiofrequency signal from direction-finder antenna, the output terminal of low-noise amplifier with being inputted with the first of frequency mixer
End connection；Second input terminal of frequency mixer is connected with the output terminal of local oscillator driving amplifier；The output terminal of frequency mixer successively with it is low
Bandpass filter is connected with A/D convertor circuit, and the output terminal of A/D convertor circuit is connected with X86 processing boards；
The receiver further includes local oscillation signal generator and T-shaped resistance decrement network, the local oscillation signal generator
Output terminal is connected by T-shaped resistance decrement network with local oscillator driving amplifier.
A kind of 6. lift-off interferometer direction finding system according to claim 5, it is characterised in that：The X86 processing board bags
Include central processing unit, memory, regulator circuit, real time clock circuit, USB interface and RS232 interface；Central processing unit respectively with
Memory, regulator circuit, real time clock circuit, USB interface are connected with RS232 interface；The central processing unit also respectively with
Digital receiver outside X86 plates is connected with WIFI module；
The regulator circuit includes voltage input end, voltage output end and multiple zener diodes, the voltage input end
The power management plate of outside is connected to, the voltage output end is connected with central processing unit；Multiple zener diodes
It is connected in parallel between voltage input end and voltage output end；
The zener diode is transient voltage suppressor diode TVS.
A kind of 7. lift-off interferometer direction finding system according to claim 1, it is characterised in that：The hanging device includes
The lower cover of interconnection（1）And upper cover（2）；The lower cover（1）Both sides be provided with it is one or more easy to carry in unmanned plane
On hanging scroll（3）, the lower cover（1）Side be also distributed and be provided with power interface（7）, WiFi antenna terminals（8）Connect with network
Mouthful（13）；
The lower cover（1）Bottom be additionally provided with and be fixedly connected with port, the antenna fixed connection end for connecting the antenna of antenna
Mouth and antenna connection（5）It is fixedly connected；
The antenna is fixedly connected with port and passes through antenna connection（5）It is connected with antenna, the antenna connection（5）One end lead to
Cross fixed plate（501）Port, which is fixedly connected with, with antenna matches connection, the antenna connection（5）The other end is equipped with antenna to interface
（502）, the antenna is to interface（502）On begin with locating slot（503）, the antenna is to interface（502）It is interior to be equipped with antenna electric
Property interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692387.6A CN105223539B (en) | 2015-10-23 | 2015-10-23 | One kind lift-off interferometer direction finding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692387.6A CN105223539B (en) | 2015-10-23 | 2015-10-23 | One kind lift-off interferometer direction finding system |
Publications (2)
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| CN106301601B (en) * | 2016-08-31 | 2019-08-27 | 成都九华圆通科技发展有限公司 | A kind of drive test data acquisition method |
| CN106385292B (en) * | 2016-08-31 | 2019-10-11 | 成都九华圆通科技发展有限公司 | A kind of drive test data acquisition system and method |
| CN106330223A (en) * | 2016-08-31 | 2017-01-11 | 成都九华圆通科技发展有限公司 | Radio monitoring and direction finding system with good electromagnetic compatibility |
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| US7358891B2 (en) * | 2006-05-27 | 2008-04-15 | Bae Systems Information And Electronic Systems Integration Inc. | Multipath resolving correlation interferometer direction finding |
| CN201919000U (en) * | 2010-12-27 | 2011-08-03 | 南京新兴电子系统有限公司 | Water wireless communication monitoring and direction finding system |
| CN203300806U (en) * | 2013-05-16 | 2013-11-20 | 成都中兢伟奇科技有限责任公司 | Interferometer direction finding antenna |
| CN104269602B (en) * | 2014-10-17 | 2017-08-11 | 成都九华圆通科技发展有限公司 | The foldable direction estimation antenna array of integration |
| CN205049728U (en) * | 2015-10-23 | 2016-02-24 | 成都九华圆通科技发展有限公司 | Interferometer direction -finding system goes up to air |
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