CN108550988A - A kind of individually controllable frequency/directional diagram mixes restructural slot antenna - Google Patents
A kind of individually controllable frequency/directional diagram mixes restructural slot antenna Download PDFInfo
- Publication number
- CN108550988A CN108550988A CN201810198709.5A CN201810198709A CN108550988A CN 108550988 A CN108550988 A CN 108550988A CN 201810198709 A CN201810198709 A CN 201810198709A CN 108550988 A CN108550988 A CN 108550988A
- Authority
- CN
- China
- Prior art keywords
- line
- rabbet joint
- frequency
- directional diagram
- reconfigurable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of individually controllable frequency/directional diagrams to mix restructural slot antenna, the slot antenna configurations are rotational symmetry structure, the line of rabbet joint is biased using coaxial feed, including medium substrate, metallic reflection plate, frequency reconfigurable the radiation line of rabbet joint, the directional diagram reconstructable line of rabbet joint, coupling feed, metal floor, the frequency reconfigurable biasing line of rabbet joint, directional diagram reconstructable.Metallic reflection plate is located at the lower section of medium substrate.Four coupling feeds are located at the first surface of medium substrate, and metal floor is located at the second surface of medium substrate.The frequency reconfigurable radiation line of rabbet joint, the directional diagram reconstructable line of rabbet joint, the frequency reconfigurable biasing line of rabbet joint, the directional diagram reconstructable biasing line of rabbet joint are located on metal floor.The present invention uses slotline antennas form, and the break-make of PIN diode is controlled by combination, the independent control of antenna frequencies/directional diagram mixing reconfigurable function may be implemented, and the requirement flexibly switched is directed toward to meet different operating frequency range and different radiation.
Description
Technical field
The present invention relates to a kind of frequencies and directional diagram mixing reconfigurable antenna, more particularly to a kind of individually controllable frequency
Rate/directional diagram mixes restructural slot antenna.
Background technology
In order to realize that modern communications develop towards large capacity, multi-functional, ultra wide band direction, the 1960s proposes
The concept of reconfigurable antenna, and as the hot spot of antenna research field, many new design methods and antenna in developed recently
Model is suggested.
It is restructural refer to some performance indicators of antenna at work can according to actual conditions flexibility and changeability, rather than
It is fixed.It realizes the restructural of antenna performance mainly by adjusting state variable device.Reconfigurable antenna can be divided by function
For frequency reconfigurable antenna (including realizing broadband and realization multiband), directional diagram reconstructable aerial, polarization reconfigurable antenna
With more electromagnetic parameter mixing reconfigurable antennas.Structure by changing reconfigurable antenna can make the frequency of antenna, directional diagram, pole
One or more of many kinds of parameters such as change mode realize reconstruct.It can make antenna by the different state of switching antenna in this way
With multiple-working mode, is conducive to adapt to different working environments, meets different job requirements.
It refers to being respectively provided with independent tune to the working frequency, polarization mode and antenna pattern of antenna to mix reconfigurable antenna
The antenna of energy saving power, this is the ultimate aim of reconfigurable antenna.A variety of recombination functions are realized on single antenna and are not interfere with each other
The difficulty of design will be greatly increased, but the restructural of this hybrid mode can make antenna multifunction, can further be promoted its
The effect of wireless communication system improves the performance of communication system.
Found according to current retrieval, 2010, the Carson R.White in the laboratories HRL et al. devise a kind of frequency and
Polarization mixes restructural microstrip slot antenna, which is made of the micro-strip paster antenna with gap and a switch, passes through control
The state for making switch, can change simultaneously the frequency and polarization mode of antenna.2013, the Tamer of London Queen Mary university
Aboufoul et al. devises a kind of directional diagram and the restructural ultra-wideband monopole antenna of frequency compounding, which uses 3 PIN
Diode can be switched to narrowband operation pattern from ultra wide band operating mode, and can realize the restructural of 3 different directions figures,
Compact, simple, flexible characteristic is just meeting the growing demand of cognitive radios.2014, Santiago was state big
Behrouz Babakhani et al. devise a kind of polarize and the restructural double-mode circular microband paste day of frequency compounding
Line, the antenna is by adjusting varactor, it can be achieved that resonant frequency is restructural from 1.19-1.58GHz, and can realize four kinds not
Same polarization is restructural.
Invention content
The technical problems to be solved by the invention：A kind of individually controllable frequency/directional diagram is provided and mixes restructural seam
The independent control of antenna frequencies and directional diagram reconstructable function may be implemented in gap antenna, to make antenna meet different frequency range and
The job requirement flexibly switched is directed toward in difference radiation.
To achieve the goals above, the technical solution adopted by the present invention：It is a kind of to be mixed by individually controllable frequency/directional diagram
Restructural slot antenna is closed, is included at least：
Medium substrate, metallic reflection plate, the frequency reconfigurable radiation line of rabbet joint, the directional diagram reconstructable line of rabbet joint, coupling feed, metal
Floor, the frequency reconfigurable biasing line of rabbet joint, directional diagram reconstructable bias the line of rabbet joint；
The metallic reflection plate is located at the lower section of medium substrate, so that antenna one-way radiation；
Four coupling feeds are located at the first surface of medium substrate, and metal floor is located at the second table of medium substrate
Face, frequency reconfigurable radiate the line of rabbet joint, the directional diagram reconstructable line of rabbet joint, and frequency reconfigurable biases the line of rabbet joint, and directional diagram reconstructable biases slot
Line is located on metal floor.
Further, one in four coupling feeds is by a rectangular metal patch and a fan-shaped metal patch
Piece is constituted, and the coupling feed described in arbitrary three can be obtained by remaining 90 ° of a continuous rotation；The coupling feed is vertical
And positioned at the left side of the described frequency reconfigurable radiation line of rabbet joint, by coaxial feed, and by couple electromagnetic energy to corresponding frequency
The restructural radiation line of rabbet joint；Four frequency reconfigurables radiation line of rabbet joint is located at metal floor central area, and is respectively parallel to
The four edges of metal floor, slot length is the corresponding half wavelength of low-limit frequency of frequency reconfigurable, described in arbitrary three
The frequency reconfigurable radiation line of rabbet joint can be obtained by remaining 90 ° of a continuous rotation；It can be weighed from the frequency mutually close with coupling feed
Structure radiation line of rabbet joint one end is counted, respectively two of the half wavelength corresponding to the intermediate frequency of frequency reconfigurable and highest frequency
Position is placed PIN diode and is bridged, and drawing three frequency reconfigurables from two PIN diodes biases the line of rabbet joint, and extends to
The edge of metal floor plays the role of direct current biasing control frequency reconfigurable；The frequency reconfigurable biasing line of rabbet joint is vertical
The line of rabbet joint is radiated in the frequency reconfigurable, the both ends of the line of rabbet joint is biased in every frequency reconfigurable, places capacitance and bridged,
Play the role of blocking；By controlling the break-make of PIN diode, the effective length of the frequency reconfigurable radiation line of rabbet joint can be changed, in turn
Realize the switching of low frequency, intermediate frequency, high frequency.
Further, the directional diagram reconstructable line of rabbet joint biases the line of rabbet joint, described four directions with directional diagram reconstructable
Scheme the quadrangle that the restructural line of rabbet joint is located at metal floor, perpendicular to the metal floor diagonal line closed on, slot length is frequency
Corresponding 1/6th wavelength of restructural low-limit frequency, the directional diagram reconstructable line of rabbet joint described in arbitrary three can be by residue one
90 ° of continuous rotation obtains；In the directional diagram reconstructable line of rabbet joint close to the one end at metal floor edge, a PIN is placed
Diode is bridged；It counts from directional diagram reconstructable line of rabbet joint one end close with metal floor edge, can be weighed in frequency respectively
Two positions of the intermediate frequency of structure and 1/6th wavelength corresponding to highest frequency are placed PIN diode and are bridged, and two
A PIN diode draws three directional diagram reconstructables and biases the line of rabbet joint, extends and perpendicular to the edge of metal floor, it is inclined to play direct current
Set the restructural effect of control direction figure；The both ends of the line of rabbet joint are biased in every directional diagram reconstructable, capacitance is placed and is bridged,
Play the role of blocking；By controlling the break-make of PIN diode, the effective length of the directional diagram reconstructable line of rabbet joint, Jin Ergai can be changed
Become the induced current distribution on metal floor, finally realizes directional diagram reconstructable.
The advantages of the present invention over the prior art are that：
(1) present invention proposes a kind of individually controllable frequency/directional diagram and mixes restructural slot antenna, passes through control
Its frequency reconfigurable radius sews on the break-make of PIN diode, it can be achieved that the independence of antenna frequencies is restructural.
(2) a kind of individually controllable frequency/directional diagram proposed by the present invention mixes restructural slot antenna, passes through control
The break-make of PIN diode is, it can be achieved that the independence of antenna radiation pattern is restructural on its directional diagram reconstructable line of rabbet joint.
(3) present invention proposes a kind of individually controllable frequency/directional diagram and mixes restructural slot antenna, passes through combination
The break-make of PIN diode on the frequency reconfigurable radiation line of rabbet joint and the directional diagram reconstructable line of rabbet joint is controlled, can be realized at different frequencies
Antenna radiation pattern it is restructural.
Description of the drawings
Fig. 1 is the integrated antenna schematic top plan view of present pre-ferred embodiments；
Fig. 2 is the integrated antenna schematic side view of present pre-ferred embodiments；
Fig. 3 is the medium substrate first surface schematic top plan view of present pre-ferred embodiments；
Fig. 4 is the medium substrate second surface schematic top plan view of present pre-ferred embodiments；
Fig. 5 is that the S11 about frequency reconfigurable of present pre-ferred embodiments emulates datagram；
Fig. 6 is that the gain pattern about directional diagram reconstructable of present pre-ferred embodiments emulates datagram；
Wherein, reference numeral：
101：Medium substrate
102：Metallic reflection plate
301：Coupling feed
302：Coaxial probe
401：Metal floor
402：Frequency reconfigurable radiates the line of rabbet joint
403：The directional diagram reconstructable line of rabbet joint
404：Frequency reconfigurable biases the line of rabbet joint
405：Directional diagram reconstructable biases the line of rabbet joint
406：Capacitance
407：Shading ring
S1-S14：PIN diode
L1：The medium substrate length of side
L2：The metallic reflection plate length of side
h：Dielectric substrate thickness
g：Medium substrate and metallic reflection plate spacing
L3：Rectangular metal patch length in coupling feed
L4：Rectangular metal patch width in coupling feed
R1：Fan-shaped metal patch radius in coupling feed
a1：Fan-shaped metal patch subtended angle in coupling feed
L5：Frequency reconfigurable radiates slot length
L6：Frequency reconfigurable radiates slot width
L7：PIN diode S1 is at a distance from the frequency reconfigurable radiation line of rabbet joint other end
L8：PIN diode S2 is at a distance from the frequency reconfigurable radiation line of rabbet joint other end
L9：Directional diagram reconstructable slot length
L10：Directional diagram reconstructable slot width
L11：PIN diode S5, S8, S11, S14 are at a distance from the directional diagram reconstructable line of rabbet joint other end
L12：PIN diode S4, S7, S10, S13 are at a distance from the directional diagram reconstructable line of rabbet joint other end
L13：Frequency reconfigurable biases the line of rabbet joint and biases line of rabbet joint width with directional diagram reconstructable
a2：The directional diagram reconstructable line of rabbet joint and metal floor edge angle
a3：Directional diagram reconstructable biases the angle of the line of rabbet joint and the directional diagram reconstructable line of rabbet joint
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
As depicted in figs. 1 and 2, it is the schematic top plan view and schematic side view of present pre-ferred embodiments.Medium substrate
101 length of sides are L1, dielectric substrate thickness h；102 length of side of metallic reflection plate is L2.Metallic reflection plate 102 is located at medium substrate
101 lower sections, between the two away from for g.
As shown in figure 3, it is the medium substrate first surface schematic top plan view of present pre-ferred embodiments.Four coupling feedbacks
Line 301 is located at the first surface of medium substrate 101, and coupling feed 301 is pasted by a rectangular metal patch and a fan-shaped metal
Piece is constituted, and arbitrary three coupling feeds 301 can be obtained by remaining 90 ° of a continuous rotation.Coupling feed 301 perpendicular to and at
The left side of the described frequency reconfigurable radiation line of rabbet joint 402, is fed by coaxial probe 302, and by couple electromagnetic energy to corresponding
Frequency reconfigurable radiates the line of rabbet joint 402.
As shown in figure 4, it is the medium substrate second surface schematic top plan view of present pre-ferred embodiments.Metal floor
401 are located at the entire second surface of medium substrate 101, and frequency reconfigurable radiates the line of rabbet joint 402, the directional diagram reconstructable line of rabbet joint 403, frequency
The restructural biasing line of rabbet joint 404 of rate, the directional diagram reconstructable biasing line of rabbet joint 405 are located on metal floor 401；Four frequency reconfigurable spokes
It penetrates the line of rabbet joint 402 and is located at 401 central area of metal floor, and be respectively parallel to the four edges of metal floor 401, slot length is frequency
The corresponding half wavelength of the restructural low-limit frequency of rate, arbitrary three frequency reconfigurables radiation line of rabbet joint 402 can be by one remaining
90 ° of continuous rotation obtains；It is counted from the frequency reconfigurable radiation line of rabbet joint 402 one end mutually close with coupling feed 301, respectively in frequency
It places PIN diode S1 and S2 and carries out in two positions of the half wavelength corresponding to the restructural intermediate frequency of rate and highest frequency
Bridging draws three frequency reconfigurables from two PIN diodes S1 and S2 and biases the line of rabbet joint 404, and extends to metal floor 401
Edge；Frequency reconfigurable biases the line of rabbet joint 404 and radiates the line of rabbet joint 402 perpendicular to frequency reconfigurable, and slot is biased in every frequency reconfigurable
The both ends of line 404 are placed capacitance 406 and are bridged, play the role of blocking；By controlling the break-make of PIN diode S1 and S2,
The effective length of the changeable frequency reconfigurable radiation line of rabbet joint 402, and then realize the switching of low frequency, intermediate frequency, high frequency.
Four directional diagram reconstructable lines of rabbet joint 403 are located at the quadrangle of metal floor 401, and with 401 edge of metal floor
Angle be a2, perpendicular to 401 diagonal line of metal floor closed on, slot length be frequency reconfigurable low-limit frequency it is corresponding
/ 6th wavelength, arbitrary three directional diagram reconstructable lines of rabbet joint 403 can be obtained by remaining 90 ° of a continuous rotation；In direction
Scheme the restructural line of rabbet joint 403 close to the one end at 401 edge of metal floor, place a PIN diode S3/S6/S9/S12 carry out across
It connects；It is counted from the directional diagram reconstructable line of rabbet joint 403 one end close with 401 edge of metal floor, respectively in frequency reconfigurable
Between 1/6th wavelength corresponding to frequency and highest frequency two positions place PIN diode S4, S5/S7, S8/S10,
S11/S13, S14 are bridged, and are drawn three directional diagram reconstructables and biased the line of rabbet joint 405, are extended and perpendicular to metal floor 401
Edge, and be a3 with the angle of the directional diagram reconstructable line of rabbet joint 403, the both ends of the line of rabbet joint 405 biased in every directional diagram reconstructable,
Capacitance 406 is placed to be bridged；Coaxial probe 302 as four feed points is located among metal floor 401, and outside has
Shading ring 407.When S1, S2 are disconnected, Antenna Operation is in low frequency, if making S3-S14 be connected at this time, directional diagram does not deflect；If making
S3-S8 disconnects, S9-S14 connections, then antenna radiation pattern is to y-axis positive deflection；If making S3-S8 connections, S9-S14 disconnect, day
Line directional diagram is deflected to y-axis negative sense.When S1 connections, PIN diode S2 are disconnected, Antenna Operation is in intermediate frequency, if making S3- at this time
S14 is connected to, then directional diagram does not deflect；If make S3, S4, S6, S7 disconnect, S5, S8-S14 connection, then antenna radiation pattern to y-axis just
To deflection.By controlling the break-make of PIN diode S3-S14, the effective length of the directional diagram reconstructable line of rabbet joint 403 can be changed, in turn
Change the induced current distribution on metal floor 401, finally realizes directional diagram reconstructable.
As depicted in figs. 1 and 2,101 length of side L1 of medium substrate is 180mm, and plate thickness h is 1.5mm；102 side of metallic reflection plate
Long L2 is 520mm, and the two spacing g is 43.5mm.
As shown in figure 3, the rectangular metal patch length L3 for constituting coupling feed 301 is 40mm, width L4 is 5mm；It is fan-shaped
Metal patch radius R1 is 15mm, and subtended angle a1 is 45 °.
As shown in figure 4,402 length L5 of the frequency reconfigurable radiation line of rabbet joint is 81mm, width L6 is 3mm.PIN diode S1 with
The distance L7 that frequency reconfigurable radiates 402 other end of the line of rabbet joint is 78mm, and PIN diode S2 radiates the line of rabbet joint 402 with frequency reconfigurable
The distance L8 of the other end is 72mm.403 length L9 of the directional diagram reconstructable line of rabbet joint is 27mm, and width L10 is 1mm.PIN diode
S5, S8, S11, S14 and 403 other end distance L11 of the directional diagram reconstructable line of rabbet joint are 26mm, PIN diode S4, S7, S10,
S13 and 403 other end distance L12 of the directional diagram reconstructable line of rabbet joint is 24mm.Frequency reconfigurable biases the line of rabbet joint 404 can with directional diagram
405 width L13 of the reconstruct biasing line of rabbet joint is 0.3mm.The directional diagram reconstructable line of rabbet joint 403 and the angle a2 at 401 edge of metal floor are
45 °, it is 45 ° that directional diagram reconstructable, which biases the line of rabbet joint 405 and the angle a3 of the directional diagram reconstructable line of rabbet joint 403,.
As shown in figure 5, it emulates datagram for the S11 about frequency reconfigurable of present pre-ferred embodiments.As PIN bis-
When pole pipe S1, S2 is all off, operating frequency of antenna 1.81GHz；When S1 connections, S2 are disconnected, operating frequency of antenna is
1.91GHz；When S1, S2 are all connected to, operating frequency of antenna 2.08GHz.It follows that biasing the line of rabbet joint by frequency reconfigurable
404, the on off operating mode of PIN diode S1 and S2 on the frequency reconfigurable radiation line of rabbet joint 402 can be controlled, and then realize the frequency of antenna
Rate is restructural.
As shown in fig. 6, it emulates data for the gain pattern about directional diagram reconstructable of present pre-ferred embodiments
Figure.If PIN diode S1, S2 all off (corresponding low frequency), when PIN diode S3-S14 is all connected to, antenna most increases
Benefit is in θ=0 ° direction；When S3-S8 is all off, S9-S14 all be connected to when, antenna maximum gain be (θ=10 °,) side
To；When S3-S8 all connection, S9-S14 it is all off when, antenna maximum gain be (θ=- 10 °,) direction.Thus may be used
Know, the line of rabbet joint 405 is biased by directional diagram reconstructable, it can be with PIN diode S3-S14 on the restructural line of rabbet joint 403 of control direction figure
On off operating mode, and then realize the directional diagram reconstructable of antenna.
By aforementioned present invention preferred embodiment it is found that being using advantages of the present invention：Antenna frequencies and direction may be implemented
The independent control of figure reconfigurable function, to make, antenna meets different frequency range and different radiation are directed toward the work flexibly switched and are wanted
It asks.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding change and deformations, but these corresponding change and deformations can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (3)
1. a kind of individually controllable frequency/directional diagram mixes restructural slot antenna, which is characterized in that include at least：
Medium substrate, metallic reflection plate, the frequency reconfigurable radiation line of rabbet joint, the directional diagram reconstructable line of rabbet joint, coupling feed, metal
Plate, the frequency reconfigurable biasing line of rabbet joint, directional diagram reconstructable bias the line of rabbet joint；
The metallic reflection plate is located at the lower section of medium substrate, so that antenna one-way radiation；
Four coupling feeds are located at the first surface of medium substrate, and metal floor is located at the second surface of medium substrate,
Frequency reconfigurable radiates the line of rabbet joint, the directional diagram reconstructable line of rabbet joint, and frequency reconfigurable biases the line of rabbet joint, and directional diagram reconstructable biases line of rabbet joint position
In on metal floor；Four frequency reconfigurables radiation line of rabbet joint is located at metal floor central area, and is respectively parallel to gold
The four edges of possession plate；The frequency reconfigurable biasing line of rabbet joint radiates the line of rabbet joint perpendicular to the frequency reconfigurable；Described
Four directional diagram reconstructable lines of rabbet joint are located at the quadrangle of metal floor, perpendicular to the metal floor diagonal line closed on；Described
The directional diagram reconstructable line of rabbet joint on draw three directional diagram reconstructables and bias the line of rabbet joint, extend and perpendicular to the edge of metal floor.
2. individually controllable frequency/directional diagram according to claim 1 mixes restructural slot antenna, feature exists
In：For coupling feed, the frequency reconfigurable radiation line of rabbet joint and frequency reconfigurable the biasing line of rabbet joint, in described four coupling feeds
One is made of a rectangular metal patch and a fan-shaped metal patch, and the coupling feed described in arbitrary three can be by residue
One 90 ° of continuous rotation obtains；The coupling feed radiates the left side of the line of rabbet joint perpendicular to and at the frequency reconfigurable, by
Coaxial feed, and couple electromagnetic energy to corresponding frequency reconfigurable is radiated into the line of rabbet joint；Four frequency reconfigurables radiation
The line of rabbet joint is located at metal floor central area, and is respectively parallel to the four edges of metal floor, and slot length is frequency reconfigurable
The corresponding half wavelength of low-limit frequency, the frequency reconfigurable radiation line of rabbet joint described in arbitrary three can be by a remaining continuous rotation
90 ° obtain；It is counted from frequency reconfigurable radiation line of rabbet joint one end mutually close with coupling feed, respectively in the centre of frequency reconfigurable
Two positions of the half wavelength corresponding to frequency and highest frequency are placed PIN diode and are bridged, from two PIN diodes
It draws three frequency reconfigurables and biases the line of rabbet joint, and extend to the edge of metal floor, play direct current biasing control frequency reconfigurable
Effect；The frequency reconfigurable biasing line of rabbet joint radiates the line of rabbet joint perpendicular to the frequency reconfigurable, can be weighed in every frequency
Structure biases the both ends of the line of rabbet joint, places capacitance and is bridged, plays the role of blocking；By controlling the break-make of PIN diode, can change
The effective length of the restructural radiation line of rabbet joint of Frequency, and then realize the switching of low frequency, intermediate frequency, high frequency.
3. individually controllable frequency/directional diagram according to claim 1 or 2 mixes restructural slot antenna, feature
It is：The line of rabbet joint, described four directional diagram reconstructable lines of rabbet joint point are biased for the directional diagram reconstructable line of rabbet joint and directional diagram reconstructable
Not Wei Yu metal floor quadrangle, perpendicular to the metal floor diagonal line closed on, slot length is the lowest frequency of frequency reconfigurable
Corresponding 1/6th wavelength of rate, the directional diagram reconstructable line of rabbet joint described in arbitrary three can be by remaining 90 ° of a continuous rotation
It obtains；In the directional diagram reconstructable line of rabbet joint close to the one end at metal floor edge, place a PIN diode carry out across
It connects；It is counted from directional diagram reconstructable line of rabbet joint one end close with metal floor edge, respectively in the intermediate frequency of frequency reconfigurable
PIN diode is placed with two positions of 1/6th wavelength corresponding to highest frequency to be bridged, two PIN diodes draw
Go out three directional diagram reconstructable biasing line of rabbet joint, extends and perpendicular to the edge of metal floor, play direct current biasing control direction figure
Restructural effect；The both ends of the line of rabbet joint are biased in every directional diagram reconstructable, capacitance is placed and is bridged, play blocking work
With；By controlling the break-make of PIN diode, the effective length of the directional diagram reconstructable line of rabbet joint can be changed, and then change metal floor
On induced current distribution, finally realize directional diagram reconstructable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198709.5A CN108550988A (en) | 2018-03-12 | 2018-03-12 | A kind of individually controllable frequency/directional diagram mixes restructural slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198709.5A CN108550988A (en) | 2018-03-12 | 2018-03-12 | A kind of individually controllable frequency/directional diagram mixes restructural slot antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108550988A true CN108550988A (en) | 2018-09-18 |
Family
ID=63516053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810198709.5A Pending CN108550988A (en) | 2018-03-12 | 2018-03-12 | A kind of individually controllable frequency/directional diagram mixes restructural slot antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108550988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860986A (en) * | 2019-01-23 | 2019-06-07 | 电子科技大学 | A kind of frequency reconfigurable microstrip antenna based on ring radiation patch |
| CN112736456A (en) * | 2020-12-22 | 2021-04-30 | 中南大学 | Broadband reconfigurable microstrip antenna |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794879A (en) * | 2014-01-23 | 2014-05-14 | 电子科技大学 | Small beam-switchable antenna capable of conducting omni-directional scanning in H face perpendicular to antenna plane |
| WO2014143320A2 (en) * | 2012-12-21 | 2014-09-18 | Drexel University | Wide band reconfigurable planar antenna with omnidirectional and directional patterns |
| CN104269618A (en) * | 2014-09-24 | 2015-01-07 | 福州大学至诚学院 | Frequency-reconfigurable microstrip antenna and switch configuration method thereof |
| CN104852137A (en) * | 2015-05-21 | 2015-08-19 | 山西大学 | Miniaturized frequency reconfigurable microstrip slit antenna |
| US9391375B1 (en) * | 2013-09-27 | 2016-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Wideband planar reconfigurable polarization antenna array |
| US20170062928A1 (en) * | 2015-08-25 | 2017-03-02 | Government Of The United States As Represetned By The Secretary Of The Air Force | Multi-band electronically steered antenna |
| CN106877008A (en) * | 2017-02-09 | 2017-06-20 | 山西大学 | A kind of minimized wide-band frequency direction figure reconfigurable antenna |
| CN107342456A (en) * | 2017-06-21 | 2017-11-10 | 西安电子科技大学昆山创新研究院 | A kind of minimized wide-band wave beam restructural radar antenna |
-
2018
- 2018-03-12 CN CN201810198709.5A patent/CN108550988A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014143320A2 (en) * | 2012-12-21 | 2014-09-18 | Drexel University | Wide band reconfigurable planar antenna with omnidirectional and directional patterns |
| US20150349418A1 (en) * | 2012-12-21 | 2015-12-03 | Drexel University | Wide band reconfigurable planar antenna with omnidirectional and directional radiation patterns |
| US9391375B1 (en) * | 2013-09-27 | 2016-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Wideband planar reconfigurable polarization antenna array |
| CN103794879A (en) * | 2014-01-23 | 2014-05-14 | 电子科技大学 | Small beam-switchable antenna capable of conducting omni-directional scanning in H face perpendicular to antenna plane |
| CN104269618A (en) * | 2014-09-24 | 2015-01-07 | 福州大学至诚学院 | Frequency-reconfigurable microstrip antenna and switch configuration method thereof |
| CN104852137A (en) * | 2015-05-21 | 2015-08-19 | 山西大学 | Miniaturized frequency reconfigurable microstrip slit antenna |
| US20170062928A1 (en) * | 2015-08-25 | 2017-03-02 | Government Of The United States As Represetned By The Secretary Of The Air Force | Multi-band electronically steered antenna |
| CN106877008A (en) * | 2017-02-09 | 2017-06-20 | 山西大学 | A kind of minimized wide-band frequency direction figure reconfigurable antenna |
| CN107342456A (en) * | 2017-06-21 | 2017-11-10 | 西安电子科技大学昆山创新研究院 | A kind of minimized wide-band wave beam restructural radar antenna |
Non-Patent Citations (2)
| Title |
|---|
| HUDA A. MAJID等: "Frequency and Pattern Reconfigurable Slot Antenna", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| 姚凤薇等: "新型带扇形馈源的宽带缝隙天线", 《电波科学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860986A (en) * | 2019-01-23 | 2019-06-07 | 电子科技大学 | A kind of frequency reconfigurable microstrip antenna based on ring radiation patch |
| CN112736456A (en) * | 2020-12-22 | 2021-04-30 | 中南大学 | Broadband reconfigurable microstrip antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106058447B (en) | A kind of broadband and wide wave beam circularly polarized dielectric resonator antenna suitable for X-band | |
| CN102842757B (en) | Double-frequency dual-polarization cavity backed slot antenna | |
| US20130069837A1 (en) | Directive antenna with isolation feature | |
| CN106129593B (en) | A kind of all-metal Phased Array Radar Antenna unit of two dimension wide angle scanning | |
| CN109509963B (en) | Notch dual-polarized base station antenna | |
| Ray et al. | Tuneable and dual-band circular microstrip antenna with stubs | |
| CN111082202A (en) | Left/right hand circularly polarized antenna with reconfigurable directional diagram | |
| CN109193125A (en) | Single feedback circularly polarized dielectric resonator antenna | |
| CN108173003A (en) | Based on flexure type feed individual layer compact micro-strip circular polarisation slot antenna, radar | |
| CN204424449U (en) | Dual-band microstrip antenna | |
| CN108574138A (en) | The microstrip-fed harmonics restraint wideband patch antenna of compact type | |
| CN210272663U (en) | Left/right hand circularly polarized antenna with reconfigurable directional diagram | |
| CN108550988A (en) | A kind of individually controllable frequency/directional diagram mixes restructural slot antenna | |
| CN203787566U (en) | Double-rhombus loop multi-frequency microstrip antenna applied to 4G network | |
| CN205846247U (en) | A kind of double frequency omnibearing spiral slit antenna | |
| CN106532270B (en) | Resistor loaded for electromagnetic radiation measuring system minimizes Vivaldi antenna | |
| KR101075010B1 (en) | Isotropic tag antenna for attaching to metal with pifa structure | |
| CN109193128A (en) | A kind of broadband circle polarized Vivaldi antenna of open boundary | |
| CN218677564U (en) | Single-frequency band and dual-frequency band reconfigurable microstrip quasi-yagi antenna | |
| CN107623185B (en) | Rectangular annular five-frequency reconfigurable microstrip antenna and communication device | |
| CN110233340A (en) | A kind of dual-band and dual-polarization 5G antenna loading the rectangular patch that cracks | |
| CN110071364A (en) | A kind of two-band frequency scan antenna | |
| CN114094329B (en) | Symmetrical top Peano fractal loaded microstrip patch antenna | |
| CN105406182A (en) | UWB (Ultra Wide Band) MIMO (Multiple Input Multiple Output) antenna with controlled trap bandwidth | |
| CN109802225A (en) | A kind of micro-strip filter antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20210820 |