CN110137695A - Seven vibration element array antenna of one kind - Google Patents

Seven vibration element array antenna of one kind Download PDF

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Publication number
CN110137695A
CN110137695A CN201910377089.6A CN201910377089A CN110137695A CN 110137695 A CN110137695 A CN 110137695A CN 201910377089 A CN201910377089 A CN 201910377089A CN 110137695 A CN110137695 A CN 110137695A
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China
Prior art keywords
antenna
radio
frequency
element array
mounting rack
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CN201910377089.6A
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Chinese (zh)
Inventor
曾平华
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Priority to CN201910377089.6A priority Critical patent/CN110137695A/en
Publication of CN110137695A publication Critical patent/CN110137695A/en
Pending legal-status Critical Current

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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
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The present invention is novel to disclose seven vibration element array antenna of one kind, including mounting rack, is fixed with local oscillator module and power module in mounting rack lower middle position；The lower part of mounting rack is fixed with radio-frequency channel circuit；Antenna is fixed in the top of mounting rack；Antenna house is fixed at the top of mounting rack；In being fixed with SMP connector on the lower part outer wall of mounting rack, radio-frequency channel circuit includes GNSS radio-frequency module and 7 BD2 radio-frequency modules.

Description

Seven vibration element array antenna of one kind
Technical field
The present invention is novel to be related to antenna technical field, and in particular to seven vibration element array antenna of one kind.
Background technique
Connection when the common Anti-Jamming Technique based on aerial array includes adaptive nulling technology based on airspace filter, is empty Close auto-adaptive filtering technique, digital multi-beam technology etc..
Adaptive nulling technology generally uses Power-inversion algorithm, by forming space null in interference radiating way, inhibits dry Disturb the influence to satellite receiver.The technique algorithm is simple.Technology maturation is applied in engineering at first.The technology lacks Point is space null while inhibiting interference, influences normally receiving for null direction satellite-signal, and anti-interference number is by battle array First number limitation, maximum anti-interference number are that element number of array subtracts 1.
Adaptive space-time joint filtering is a domestic research hotspot.Digital multi-beam technology is that mutually empty array radar is led One important branch in domain, technology relative maturity need the applicable cases in conjunction with satellite receiver to carry out adaptive improvement.The skill It is rapidly developed within art nearly 2 years, technological core has been broken through, and performance advantage is just gradually embodied.
Since satellite-signal is often buried in noise signal and interference signal, it is difficult to obtain array element and receives the best of signal Weighting.Using beam space processing mode can from multi-beam selection signal it is strongest several, to conform to quality requirements.Meeting Under the premise of array received effect, operand can be reduced and reduce system complexity.
The anti-dry ability of digital beam technology is related with bay number, and bay number is more, and anti-interference ability is stronger, but Practical Project realization is limited by antenna structure size requirement, and bay number is limited.
Digital beam technology anti-interference ability is also by signal amplitude-phase consistency, signal sampling precision, Channel Processing error etc. All various influences, when engineering design, need to above-mentioned factor strict control.Digital beam technique algorithm is complicated, operand Greatly, optimization algorithm is needed when Project Realization and takes special measure.For each wave beam channel, now using relatively broad Be airspace filter technology.But there are a series of deficiencies for the technology, it is such as weak to interference rejection capability near signal source, anti-relevant Interference and multi-path jamming ability are weak etc..
Invention new content
The present invention is novel to be designed to provide one kind seven and shakes element array antenna, to solve existing satellite signal receiver The weak problem of anti-interference ability.
To achieve the above object, the novel technical solution of the present invention are as follows:
Seven vibration element array antenna of one kind, including mounting rack, are fixed with local oscillator module and electricity in mounting rack lower middle position Source module；The lower part of mounting rack is fixed with radio-frequency channel circuit；Antenna is fixed in the top of mounting rack；In the top of mounting rack It is fixed with antenna house；In being fixed with SMP connector on the lower part outer wall of mounting rack, radio-frequency channel circuit includes GNSS radio-frequency module With 7 BD2 radio-frequency modules.
Preferably, channel circuit is made using high-isolation degree design between the undistorted design of digital front-end signal and radio-frequency channel Radio-frequency channel has high linearity to meet adaptive nulling algorithm requirement.
Preferably, ensure the high-isolation between channel to what chamber was individually sealed in each radio-frequency channel.
Preferably, antenna includes 7 BD2 antennas and 1 GG antenna, and is all made of double-fed point feeding classification；One of them It is (0,0) that BD2 antenna, which is fixed on its coordinate of the center of antenna body,；6 BD2 antennas are distributed in the week of intermediate BD2 antenna Side, respective coordinates are (- 74,40), (- 74, -40), (0, -74), (74, -40), (74,40), (0,74) respectively；GG antenna is solid Due to the upper left corner of antenna body, coordinate is (- 80, -80).
It preferably, is Line 1 in intermediate BD2 antenna；BD2 antenna in the upper left corner is No. 2 lines, by suitable clockwise Remaining BD2 antenna of sequence is successively No. 3 lines to No. 7 lines；The distance of the two BD2 antennas in No. 1 center antenna distance left and right is 74mm, away from It is 84mm with a distance from other 4 BD2；Distance between No. 2 to No. 7 two neighboring B3 antennas is successively are as follows: 80mm, 81.4mm, 80mm、81.4mm、81.4mm。
Preferably, the thickness of 7 BD2 antennas and 1 GG antenna is 5mm；BD2 antenna dielectric constant is 10.2；GG days Line dielectric constant is 12.5；BD2 antenna size is 43mm × 43mm；GG antenna size is 32mm × 32mm.
Preferably, antenna house uses dielectric constant to be made of 4.6 glass reinforced plastic；The length and width dimensions of the antenna house are 260mm×260mm；The day with a thickness of 3mm, on the outside of inner cavity of surface 194mm × 194mm range internal antenna cover of antenna The thickness of irdome is 6mm.
Preferably, local oscillator module includes local oscillator chip ADF4360-6, and using single-chip microcontroller NC100 to local oscillator chip ADF4360-6 carries out the local oscillation signal that configuration output frequency is 1198MHz；It is defeated after amplification and two-stage branch after local oscillation signal Intensity is the signal of 1.5dBm to each BD radio frequency unit out；It further include chip LT1963,5V is changed into 3.3V/ by chip LT1963 1.5A is for ADF4360 and NC100.
Preferably, power module includes LTM4602 power supply chip, and the 12V of input is turned 5V/5A by LTM4602 power supply chip Supply radio-frequency channel circuit and local oscillator module.
Preferably, the 1 tunnel GNSS signal that the GNSS radio-frequency module receiving antenna is sent, and be filtered and amplify to protect The gain of card GNSS radio-frequency module reaches system and receives requirement；
The BD2 radio-frequency module, the BD2 signal that the radio-frequency channel circuit receiving antenna is sent, to 7 road BD2 signals into Intermediate frequency exports after row amplification, filtering, down-converted.
The present invention is novel to be had the advantages that
Antenna array design of the invention uses the undistorted design of digital front-end signal, it is ensured that is advising in single radio-frequency channel The undistorted transmission for determining the signal of dynamic range avoids making with interior high reject signal device saturation channel in radio-frequency channel stifled Plug meets the requirement that adaptive nulling algorithm has high linearity to radio-frequency channel；
For the present invention in radio circuit design, the radiofrequency signal from antenna uses a down-converted, variable-frequency filtering Digital-to-analogue conversion is directly carried out afterwards.The number of transitions of radiofrequency signal is reduced, radio-frequency front-end design is simplified, assurance function while reduces Radio-frequency front-end volume and cost.Furthermore the frequency content in radio-frequency channel can be effectively reduced using a down coversion design, reduced Externally interference, ensure that electromagnetic compatibility；
The present invention solves Beidou navigation satellite system receiver interference problem, for the BD2 receiving antenna of 7 array elements, in digital front-end In the case where signal undistorted transmission, using 16 ADC, the interference free performance Distribution Indexes of a variety of Anti-Jamming Techniques are as follows: number Word multibeam technique provides 5dB anti-interference ability；Digital null steering technique provides the anti-broadband interference ability of 50dB, has low function Consumption, high performance advantage.
Detailed description of the invention
Fig. 1 is the novel array antenna functional block diagram of invention.
Fig. 2 is the cross-sectional view for inventing novel middle array antenna.
Fig. 3 is the top view that the novel middle array antenna of invention shows.
Fig. 4 is the scheme of installation for inventing novel middle array antenna.
Fig. 5 is the novel middle array antenna Li Litu of invention.
Fig. 6 is the novel middle GNSS radio-frequency module functional block diagram of invention.
Fig. 7 is the novel middle BD2 radio-frequency module functional block diagram of invention.
Fig. 8 is the novel middle local oscillator functions of modules block diagram of invention.
Fig. 9 is the novel middle power module schematic diagram of invention.
Figure 10 is the novel middle power circuit first unit figure of invention.
Figure 11 is the novel middle power circuit second unit figure of invention.
Figure 12 is the novel middle power circuit third unit figure of invention.
Figure 13 is the novel middle radio-frequency power supply figure of invention.
Figure 14 is the novel middle channel circuit figure of invention.
Figure 15 is the novel middle first passage peripheral circuit diagram of invention.
Figure 16 is the novel middle second channel peripheral circuit diagram of invention.
Figure 17 is the novel middle third channel peripheral circuit diagram of invention.
In figure: 1- antenna house；2- channel circuit；3- antenna medium；4- mounting rack；5-SMP connector；6- local oscillation circuit； 7- power circuit.
Specific embodiment
It is novel that the following examples are intended to illustrate the invention, but is not limited to the novel range of the present invention.
Embodiment 1
The seven vibration element array antennas of the application, including mounting rack 4, are fixed with local oscillator mould in 4 lower middle position of mounting rack Block 6 and power module 7；The lower part of mounting rack 4 is fixed with radio-frequency channel circuit 2；Antenna 3 is fixed in the top of mounting rack 4；In The top of mounting rack 4 is fixed with antenna house 1；In being fixed with SMP connector 5, radio-frequency channel circuit on the lower part outer wall of mounting rack 4 2 include GNSS radio-frequency module and 7 BD2 radio-frequency modules.Channel circuit 2 is logical using the undistorted design of digital front-end signal and radio frequency High-isolation degree design makes radio-frequency channel have high linearity to meet adaptive nulling algorithm requirement between road.
Ensure the high-isolation between channel to what chamber was individually sealed in each radio-frequency channel.Antenna 3 includes 7 BD2 antennas With 1 GG antenna, and it is all made of double-fed point feeding classification；One of BD2 antenna be fixed on 3 ontology of antenna center its Coordinate is (0,0)；6 BD2 antennas are distributed in the side of intermediate BD2 antenna, respective coordinates be respectively (- 74,40), (- 74 ,- 40), (0, -74), (74, -40), (74,40), (0,74)；GG antenna is fixed on the upper left corner of 3 ontology of antenna, coordinate be (- 80, -80).
It is Line 1 in intermediate BD2 antenna；BD2 antenna in the upper left corner is No. 2 lines, by clock-wise order remaining BD2 antenna is successively No. 3 lines to No. 7 lines；The distance of the two BD2 antennas in No. 1 center antenna distance left and right is 74mm, apart from other The distance of 4 BD2 is 84mm；Distance between No. 2 to No. 7 two neighboring B3 antennas is successively are as follows: 80mm, 81.4mm, 80mm, 81.4mm,81.4mm.The thickness of 7 BD2 antennas and 1 GG antenna is 5mm；BD2 antenna dielectric constant is 10.2；GG antenna Dielectric constant is 12.5；BD2 antenna size is 43mm × 43mm；GG antenna size is 32mm × 32mm.GG(GPS/GLONASS) Antenna is placed on the upper left corner.Antenna house 1 uses dielectric constant to be made of 4.6 glass reinforced plastic；The length and width dimensions of the antenna house 1 are 260mm×260mm；Surface 194mm × 194mm range internal antenna cover 1 of antenna 3 with a thickness of 3mm, on the outside of inner cavity The thickness of antenna house 1 is 6mm.
Local oscillator module 6 include local oscillator chip ADF4360-6, and using single-chip microcontroller NC100 to local oscillator chip ADF4360-6 into The local oscillation signal that row configuration output frequency is 1198MHz；It is with output intensity after two-stage branch through amplifying after local oscillation signal The signal of 1.5dBm is to each BD radio frequency unit；It further include chip LT1963,5V is changed into 3.3V/1.5A and supplied by chip LT1963 ADF4360 and NC100.Each section signal meets Input and Output Indexes requirement.Power module 7 includes LTM4602 power supply chip, The 12V of input is turned 5V/5A supply radio-frequency channel circuit 2 and local oscillator module 6 by LTM4602 power supply chip.
Entire antenna part is powered using 12V, and power consumption is less than 12W, will using the LTM4602 power supply chip of maturation application 12V turns 5V/5A and uses for each unit, and surplus is greater than 50%.In addition, 5V is changed into 3.3V/ using LT1963 in local oscillator intralamellar part 1.5A is used for ADF4360 and NC100, and surplus is greater than 50%.The 1 road GNSS that the GNSS radio-frequency module receiving antenna 3 is sent Signal, and be filtered and amplify to guarantee that the gain of GNSS radio-frequency module reaches system and receive requirement；The BD2 radio frequency mould Block, the BD2 signal that 2 receiving antenna 3 of radio-frequency channel circuit is sent, amplifies 7 road BD2 signals, filters, at down coversion Intermediate frequency exports after reason.Compared with traditional receivers, the present invention carries out signal reception using seven BD2-B3 array elements and adaptively adjusts Zero, key need to guarantee seven tunnel radiofrequency signal quality, therefore in antenna array design, using the undistorted design of digital front-end signal The high-isolation degree design between radio-frequency channel.
Design that digital front-end signal is undistorted: adaptive nulling algorithm requires radio-frequency channel to have high linearity, to avoid With interior high reject signal device in radio-frequency channel is saturated, causes channel to block, when radio-frequency channel is designed in addition to according to letter Number dynamic range come estimate each link of radio-frequency channel signal energy, it is stringent select outside component, also need carefully to consider electricity The layout and cabling on road, carry out reverse isolation measure, it is ensured that in the signal of regulation dynamic range without mistake in single radio-frequency channel It hands down in a direct line from the master defeated.High-isolation degree design between radio-frequency channel: since high-frequency signal has the characteristics that easily to radiate, the signal in different radio frequency channel There are mutual crosstalk, the Signal segregation degree of interchannel directly determines the anti-interference ability of adaptive nulling receiver.In PCB cloth Office wiring when avoid adjacent two interchannels device hypotelorism, and in structure in such a way that chamber is individually sealed in each channel come Ensure interchannel high-isolation.Aerial array is seven vibration element array antennas, mainly by the 7 road radio-frequency channels BD, 1 road GPS/ GLONASS radio-frequency module, local oscillator module, power module are constituted.With 8 function scoreboards, 8 channel plates, 1 this vibration plate and 1 electricity Source plate, totally 18 pieces of printing boards complete above-mentioned functions of modules.
GNSS radio-frequency module mainly completes the amplification and filtering of GNSS radiofrequency signal, to guarantee that the gain of GNSS radio-frequency module is wanted Reach the requirement that system normally receives, by taking GPS radio frequency channel as an example, GPS low noise amplifier maximum noise coefficient 1.5dB, GPS are connect Receipts machine overall noise factor maximum 10dB.To guarantee system sensitivity, GPS system overall noise factor is not greater than 2dB.System is always made an uproar Sound coefficient formula are as follows:
In F=FLNA+ (L-1)/GLNA+ (FREC-1)/(GLNAL) formula,
FLNA is low noise noise coefficient；L is cable insertion loss；GLNA is low noise amplification gain；FREC makes an uproar for receiver Sonic system number.To meet F2dB, gain will guarantee in GLNA=28dB ± 2dB under conditions of certain cable waste.
GNSS radio-frequency module exports after carrying out two-stage amplification, filtering to the 1 road GPS/GLONASS signal that antenna exports, should 32dB is amplified in channel to signal.Further, it is contemplated that 1~2dB of antenna to receiver section coaxial line is lost, entire antenna part pair The gain of GNSS signal about 30dB, can meet system requirements.
To guarantee that the gain of BD2 radio-frequency module will reach the requirement that system normally receives, module gain requirement calculates as follows:
BD2-B3 IF BW=20MHz；
Input noise power PNi=KT0B=-174+10lg20*106=-102dBm；
Output noise power PNo=2VPP=7dBm；
Select the SNR=76.3 of AD；As long as a radio frequency system gain is greater than GA=7-76.3- (- 102)=32.7dB is just It is able to satisfy design requirement.
BD2 radio-frequency module first carries out two-stage amplification, filtering to the BD2-B3 signal that antenna exports, and frequency conversion later and filters To 70.52MHz intermediate frequency, finally amplification output, which amplifies 41dB to signal, can meet system requirements.
After seven array-element antennas receive satellite-signal, radio-frequency channel circuit down coversion, filtering through satellite navigation receiver, Enter nulling algorithm after AD sampling to handle, data that treated enter satellite capture, tracking cell is handled.
Antenna array design of the invention uses the undistorted design of digital front-end signal, it is ensured that is advising in single radio-frequency channel The undistorted transmission for determining the signal of dynamic range avoids making with interior high reject signal device saturation and channel in radio-frequency channel stifled Plug meets the requirement that adaptive nulling algorithm has high linearity to radio-frequency channel.
For the present invention in radio circuit design, the radiofrequency signal from antenna uses a down-converted, variable-frequency filtering Digital-to-analogue conversion is directly carried out afterwards.The number of transitions of radiofrequency signal is reduced, radio-frequency front-end design is simplified, assurance function while reduces Radio-frequency front-end volume and cost.Furthermore the frequency content in radio-frequency channel can be effectively reduced using a down coversion design, reduced Externally interference, ensure that electromagnetic compatibility.
The present invention solves Beidou navigation satellite system receiver interference problem, for the BD2 receiving antenna of 7 array elements, in digital front-end In the case where signal undistorted transmission, using 16 ADC, the interference free performance Distribution Indexes of a variety of Anti-Jamming Techniques are as follows: number Word multibeam technique provides 5dB anti-interference ability；Digital null steering technique provides the anti-broadband interference ability of 50dB, has low function Consumption, high performance advantage.
Although above having made detailed description with generality explanation and specific embodiment are novel to the present invention, On novel foundation of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of spirit novel without departing from the present invention, belong to the present invention and novel want Seek the range of protection.

Claims (10)

  1. The element array antenna 1. one kind seven is shaken, which is characterized in that including mounting rack (4), lower middle position is fixed in mounting rack (4) There are local oscillator module (6) and power module (7)；The lower part of mounting rack (4) is fixed with radio-frequency channel circuit (2)；In mounting rack (4) Top is fixed with antenna (3)；Antenna house (1) is fixed at the top of mounting rack (4)；In solid on the lower part outer wall of mounting rack (4) Surely have SMP connector (5), radio-frequency channel circuit (2) includes GNSS radio-frequency module and 7 BD2 radio-frequency modules.
  2. 2. seven vibrations element array antenna according to claim 1, which is characterized in that channel circuit (2) is believed using digital front-end Number undistorted design and high-isolation degree design between radio-frequency channel make radio-frequency channel have high linearity to meet adaptive nulling Algorithm requirement.
  3. 3. seven vibrations element array antenna according to claim 2, which is characterized in that individually seal chamber to each radio-frequency channel and come Ensure the high-isolation between channel.
  4. 4. seven vibrations element array antenna according to claim 2, which is characterized in that antenna (3) includes 7 BD2 antennas and 1 GG antenna, and it is all made of double-fed point feeding classification；
    Its coordinate of center that one of BD2 antenna is fixed on antenna (3) ontology is (0,0)；6 BD2 antennas are distributed in The side of intermediate BD2 antenna, respective coordinates be respectively (- 74,40), (- 74, -40), (0, -74), (74, -40), (74,40), (0,74)；GG antenna is fixed on the upper left corner of antenna (3) ontology, and coordinate is (- 80, -80).
  5. 5. seven vibrations element array antenna according to claim 4, which is characterized in that the BD2 antenna in centre is Line 1； BD2 antenna in the upper left corner is No. 2 lines, is successively No. 3 lines to No. 7 lines by clock-wise order remaining BD2 antenna；
    The distance of the two BD2 antennas in No. 1 center antenna distance left and right is 74mm, and the distance apart from other 4 BD2 is 84mm；No. 2 Successively to the distance between No. 7 two neighboring B3 antennas are as follows: 80mm, 81.4mm, 80mm, 81.4mm and 81.4mm.
  6. 6. seven vibrations element array antenna according to claim 4, which is characterized in that the thickness of 7 BD2 antennas and 1 GG antenna Degree is 5mm；BD2 antenna dielectric constant is 10.2；GG antenna dielectric constant is 12.5；BD2 antenna size is 43mm × 43mm； GG antenna size is 32mm × 32mm.
  7. 7. seven vibrations element array antenna according to claim 1, which is characterized in that antenna house (1) uses dielectric constant for 4.6 Glass reinforced plastic be made；The length and width dimensions of the antenna house (1) are 260mm × 260mm；The surface 194mm of antenna (3) × 194mm range internal antenna cover (1) with a thickness of 3mm, the thickness of the antenna house (1) on the outside of inner cavity is 6mm.
  8. 8. seven vibrations element array antenna according to claim 1, which is characterized in that local oscillator module (6) includes local oscillator chip ADF4360-6, and single-chip microcontroller NC100 is used to carry out configuration output frequency to local oscillator chip ADF4360-6 as the local oscillator of 1198MHz Signal；Amplified after local oscillation signal and two-stage branch after output intensity be the signal of 1.5dBm to each BD radio frequency unit；Also wrap Chip LT1963 is included, 5V is changed into 3.3V/1.5A for ADF4360 and NC100 by chip LT1963.
  9. 9. seven vibrations element array antenna according to claim 1, which is characterized in that power module (7) includes LTM4602 power supply The 12V of input is turned 5V/5A supply radio-frequency channel circuit (2) and local oscillator module (6) by chip, LTM4602 power supply chip.
  10. 10. seven vibrations element array antenna according to claim 1, which is characterized in that the GNSS radio-frequency module receiving antenna (3) the 1 tunnel GNSS signal sent, and be filtered and amplify to guarantee that the gain of GNSS radio-frequency module reaches system reception and want It asks；
    The BD2 radio-frequency module, the BD2 signal that radio-frequency channel circuit (2) receiving antenna (3) sends, to 7 road BD2 signals It amplifies, filter, intermediate frequency exports after down-converted.
CN201910377089.6A 2019-05-07 2019-05-07 Seven vibration element array antenna of one kind Pending CN110137695A (en)

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Application Number Priority Date Filing Date Title
CN201910377089.6A CN110137695A (en) 2019-05-07 2019-05-07 Seven vibration element array antenna of one kind

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Publication Number Publication Date
CN110137695A true CN110137695A (en) 2019-08-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6819291B1 (en) * 2003-06-02 2004-11-16 Raymond J. Lackey Reduced-size GPS antennas for anti-jam adaptive processing
CN203180908U (en) * 2013-04-18 2013-09-04 合肥维斗信息技术有限公司 Full-band anti-interference antenna one-piece receiver based on Beidou No.2
CN104076368A (en) * 2014-06-25 2014-10-01 芜湖航飞科技股份有限公司 GPS anti-interference antenna technology
CN204189967U (en) * 2014-11-17 2015-03-04 重庆九洲星熠导航设备有限公司 A kind of Vehicular satellite navigation anti-interference antenna
CN106932790A (en) * 2017-02-27 2017-07-07 北京国科导通科技有限公司 A kind of anti-interference global position system of seven array elements

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6819291B1 (en) * 2003-06-02 2004-11-16 Raymond J. Lackey Reduced-size GPS antennas for anti-jam adaptive processing
CN203180908U (en) * 2013-04-18 2013-09-04 合肥维斗信息技术有限公司 Full-band anti-interference antenna one-piece receiver based on Beidou No.2
CN104076368A (en) * 2014-06-25 2014-10-01 芜湖航飞科技股份有限公司 GPS anti-interference antenna technology
CN204189967U (en) * 2014-11-17 2015-03-04 重庆九洲星熠导航设备有限公司 A kind of Vehicular satellite navigation anti-interference antenna
CN106932790A (en) * 2017-02-27 2017-07-07 北京国科导通科技有限公司 A kind of anti-interference global position system of seven array elements

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唐宝富: "《有源相控阵雷达天线结构技术》", 30 June 2016 *
罗钉: "《机载有源相控阵火控雷达技术》", 31 January 2018 *

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Application publication date: 20190816