CN109616758A - A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement - Google Patents
A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement Download PDFInfo
- Publication number
- CN109616758A CN109616758A CN201811464683.0A CN201811464683A CN109616758A CN 109616758 A CN109616758 A CN 109616758A CN 201811464683 A CN201811464683 A CN 201811464683A CN 109616758 A CN109616758 A CN 109616758A
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- probe antenna
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- pcb board
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of miniature ultra wide band dual polarization probe antennas for Planar Near-Field Measurement, low-frequency range probe antenna applied to 0.65GHz~6GHz range, by two pieces there is the pcb board of complementary slot structure to form, the front of the pcb board is the irradiation structure of probe antenna, it is provided with radiation arm, first patch, second patch, first resistor and second resistance, first patch and the second patch are successively set to the top of radiation arm from bottom to up, high band probe antenna applied to 6GHz~18GHz range, using double exponential fade vivaldi antenna structure forms, it is made of two pieces of pcb boards, beneficial effects of the present invention: probe antenna is microstrip structure, with small in size, it is light-weight, easy processing, the advantages that at low cost；One-dimensional aerial array is formed using multiple probe antennas and the switching between each probe antenna unit is realized by switch matrix, completes quick sampling, the problems such as solving conventional planar near field measurement, time-consuming, low efficiency, error is high.
Description
Technical field
The invention belongs to antenna measurement equipment technical fields, and in particular to a kind of miniaturization for Planar Near-Field Measurement is super
Wideband dual polarized probe antenna.
Background technique
Planar Near-Field Measurement technology is one of important component of antenna measurement system, is swept by the machinery of antenna probes
It retouches to obtain the planar near-field width phase data of antenna to be measured (AUT), antenna radiation pattern, gain and polarization etc. is radiated to realize
The measurement of parameter.
Planar Near-Field Measurement is generally using rectangular waveguide radiator or electromagnetic horn as antenna probes, near antenna to be measured
Discrete sampling is carried out with a certain interval in plane, to obtain the amplitude and phase information of aerial radiation near-field region to be measured, is led to
The directional diagram of antenna to be measured, gain, bandwidth, cross polarization, the axis when radiation parameters such as efficiency can be obtained by crossing Near-far fields transfer.
Planar Near-Field Measurement technology provides solution for the antenna measurement under limited space conditions, is antenna measurement system
The important component of system.Traditional Planar Near-Field Measurement does two dimension in plane near the antenna to be measured using single probe antenna
Movement need to be used as probe using the antenna of different frequency range when progress broadband test to obtain width phase data, for circular polarisation
(CP) antenna to be measured and cross-polarized measurement also need to carry out probe rotation, and time-consuming, low efficiency, error are high and to servo-system
It is more demanding.
Summary of the invention
It also needs to carry out probe rotation for antenna to be measured for circular polarisation in the prior art and cross-polarized measurement, it is time-consuming
Length, low efficiency, error height and the problem more demanding to servo-system, provide a kind of miniaturization for Planar Near-Field Measurement
Ultra wideband dual polarization probe antenna.
A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement is applied to 0.65GHz~6GHz
The low-frequency range of range by two pieces there is the pcb board of complementary slot structure to form, and the front of the pcb board is the radiation of probe antenna
Structure is provided with radiation arm, the first patch, the second patch, first resistor and second resistance, first patch and the second patch
It is successively set to the top of radiation arm from bottom to up, first resistor both ends are connected across respectively on radiation arm and the first patch, and second
Resistance both ends are connected across respectively on the first patch and the second patch, and the reverse side of the pcb board is provided with feed structure, two pieces of PCB
Open up the complementary groove being mutually adapted on plate respectively, two pieces of pcb boards are by complementary groove to being plugged in together.
Preferably, for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement, the feeding mechanism is fan
Shaped microstrip stub-short-circuit resonant cavity groove line couple feed structure.
A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement is applied to 6GHz~18GHz model
The high band enclosed is made of using double exponential fade vivaldi antenna structure forms two pieces of pcb boards, and two pieces of pcb boards are adopted
With defect sturcture, front is the irradiation structure of probe antenna, is provided with radiation arm, the reverse side of the pcb board is provided with feed
Structure, opens up the complementary groove being mutually adapted on the pcb board respectively, and two pieces of pcb boards are by complementary groove to being plugged in together.
Preferably, for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement, the feeding mechanism is fan
Shaped microstrip stub-short-circuit resonant cavity groove line couple feed structure.
Beneficial effects of the present invention:
1. for Planar Near-Field Measurement miniature ultra wide band dual polarization probe antenna be microstrip structure, have it is small in size,
Light-weight, easy processing, it is at low cost the advantages that；
2. using mutiple antennas probe form one-dimensional aerial array and by switch matrix realize each antenna probes unit it
Between switching, complete quick sampling, the problems such as solving conventional planar near field measurement, time-consuming, low efficiency, error is high.
Detailed description of the invention
Fig. 1 is the pcb board schematic diagram of one embodiment of the invention low-frequency range antenna；
Fig. 2 is the pcb board schematic diagram of one embodiment of the invention low-frequency range antenna；
Fig. 3 is the pcb board schematic diagram of one embodiment of the invention high band antenna；
Fig. 4 is the pcb board schematic diagram of one embodiment of the invention high band antenna；
Fig. 5 is one embodiment of the invention probe antenna array combination structural schematic diagram.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical scheme is described further.
Embodiment one, as shown in Figure 1, 2, a kind of miniature ultra wide band dual polarization probe day for Planar Near-Field Measurement
Line by two pieces there is the pcb board 1,2 of complementary slot structure to form, the PCB applied to the low-frequency range of 0.65GHz~6GHz range
The front of plate is the irradiation structure of probe antenna, is provided with radiation arm 11, the first patch 14, the second patch 15, first resistor 12
With second resistance 13, first patch 14 and the second patch 15 are successively set to the top of radiation arm 11 from bottom to up, and first
12 both ends of resistance are connected across respectively on radiation arm 11 and the first patch 14, and 13 both ends of second resistance are connected across the first patch 14 respectively
On the second patch 15, the reverse side of the pcb board is provided with feed structure, opened up respectively on two pieces of pcb boards be mutually adapted it is mutual
Mend slot 16,26, two pieces of pcb boards are by complementary groove to being plugged in together.
Fig. 1, in 2, for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement, be applied to 0.65GHz~
The low-frequency range of 6GHz range by two pieces there is the pcb board 1,2 of complementary slot structure to constitute.Pcb board front is the radiation of probe antenna
Structure, two kinds of different resistance of resistance value are connected across the gap between probe antenna radiation arm and patch and patch and patch respectively
On, play the role of increasing probe antenna low-frequency range radiation resistance, and then improve the port match in low side working frequency, realize
The Miniaturization Design of probe antenna；Pcb board reverse side is the feed structure of probe antenna, humorous using fan-shaped offset of microstrip stub-short circuit
The couple feed structure of vibration cavity groove line, realizes efficient energy transmission in broadband, broadens impedance matching bandwidth, realizes probe
The ultra wide band of antenna designs；It is provided with complementary groove 16,26 on two pieces of pcb boards, dual polarization work is can be realized into slotting in two pieces of pcb boards
Mode.In addition, doing the processing of metallization VIA 17 below two pieces of pcb boards to guarantee good earth.
Embodiment two, as shown in Figure 3,4, a kind of miniature ultra wide band dual polarization probe day for Planar Near-Field Measurement
Line, applied to the high band of 6GHz~18GHz range, using double exponential fade vivaldi antenna structure forms, by two pieces of PCB
Plate 3,4 forms,
Two pieces of pcb boards use defect sturcture, and front is the irradiation structure of probe antenna, are provided with radiation arm 31,
The reverse side of the pcb board is provided with feed structure, opens up the complementary groove 36,46 being mutually adapted on the pcb board respectively, and two pieces
Pcb board is plugged in together by 36,46 Duis of complementary groove.
Fig. 3, in 4, for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement, using double exponential fades
Vivaldi antenna structure form also by two pieces there is the pcb board 3,4 of complementary slot structure to constitute.Pcb board front is probe antenna
Irradiation structure, electric current flows through path when double exposures increase low frequency operation, and probe antenna works under identical bore
Lower-frequency limit is widened, that is, realizes the Miniaturization Design of probe antenna；Pcb board reverse side is the feed structure of probe antenna, equally
Using fan-shaped offset of microstrip stub-short-circuit resonant cavity groove line couple feed structure, realize that efficient energy passes in broadband
It is defeated, impedance matching bandwidth is broadened, realizes the ultra wide band design of probe antenna；Complementary groove 36,46 is provided on two pieces of pcb boards, by two
Dual polarization working method can be realized to slotting in block pcb board.Do the processing of metallization VIA 37 equally below two pieces of pcb boards to guarantee
Ground connection is good.Unlike low-frequency range probe antenna, high band probe antenna dielectric-slab uses defect sturcture, such as Fig. 3,4 institutes
Show, defect sturcture refers to that 31 two sides of radiation arm do not have extra dielectric-slab, and such processing method can greatly reduce high band
The surface wave motivated when work realizes higher interport isolation in limited size range.
Copper conductor is covered in dash area representative in Fig. 1-4, and blank parts represent medium substrate.
The miniature ultra wide band dual polarization that Fig. 1,2, Fig. 3,4 are set forth 0.65GHz-6GHz and 6GHz-18GHz range
Probe antenna structural schematic diagram, two kinds of probe antennas are microstrip structure, have small in size, light-weight, easy processing, at low cost etc.
Advantage.
As shown in figure 5, the one-dimensional array combination of the miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement
Structure, by being applied to the low-frequency range of 0.65GHz~6GHz range and two kinds of days of the high band applied to 6GHz~18GHz range
Line composition, it is arranged in a crossed manner in a row in being arranged successively on substrate, the switching between each antenna probes is controlled by switch matrix, it is real
Time of measuring can be effectively reduced in the Planar Near-Field Measurement for now treating observation line, improves testing efficiency.The design has small-sized
The advantages that change, ultra wide band, dual polarization, high isolation, probe antenna are made of PCB technology, and easy processing is at low cost, small in size, weight
Amount is light, the quick high accuracy antenna measurement being suitble under confined space limitation.It is all according to made by scope of the present invention patent content
Equivalence changes and modification all should belong to the technology scope of the invention patent.
It will be appreciated that although an embodiment of the present invention has been shown and described, for the ordinary skill people of this field
For member, it is possible to understand that a variety of changes can be carried out to these embodiments without departing from the principles and spirit of the present invention
Change, modification, replacement and variant, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement, which is characterized in that be applied to
The low-frequency range of 0.65GHz~6GHz range by two pieces there is the pcb board (1,2) of complementary slot structure to form, and the pcb board is just
Face is the irradiation structure of probe antenna, is provided with radiation arm (11), the first patch (14), the second patch (15), first resistor
(12) and second resistance (13), first patch (14) and the second patch (15) are successively set to radiation arm (11) from bottom to up
Top, first resistor (12) both ends are connected across respectively on radiation arm (11) and the first patch (14), second resistance (13) both ends
It is connected across on the first patch (14) and the second patch (15) respectively, the reverse side of the pcb board is provided with feed structure, two pieces of PCB
Open up the complementary groove (16,26) being mutually adapted on plate respectively, two pieces of pcb boards are by complementary groove to being plugged in together.
2. being used for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement as described in claim 1, feature exists
In the feeding mechanism is fan-shaped offset of microstrip stub-short-circuit resonant cavity groove line couple feed structure.
3. a kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement, which is characterized in that be applied to 6GHz
The high band of~18GHz range is made of using double exponential fade vivaldi antenna structure forms two pieces of pcb boards (3,4),
Two pieces of pcb boards use defect sturcture, and front is the irradiation structure of probe antenna, are provided with radiation arm (31), institute
The reverse side for stating pcb board is provided with feed structure, opens up the complementary groove (36,46) being mutually adapted on the pcb board respectively, and two pieces
Pcb board is by complementary groove (36,46) to being plugged in together.
4. being used for the miniature ultra wide band dual polarization probe antenna of Planar Near-Field Measurement as claimed in claim 3, feature exists
In the feeding mechanism is fan-shaped offset of microstrip stub-short-circuit resonant cavity groove line couple feed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464683.0A CN109616758A (en) | 2018-12-03 | 2018-12-03 | A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811464683.0A CN109616758A (en) | 2018-12-03 | 2018-12-03 | A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement |
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| CN201811464683.0A Pending CN109616758A (en) | 2018-12-03 | 2018-12-03 | A kind of miniature ultra wide band dual polarization probe antenna for Planar Near-Field Measurement |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025029A (en) * | 2019-11-18 | 2020-04-17 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | System and method for testing near-field directional diagram of triple-frequency phased array surface |
| CN111025027A (en) * | 2019-12-20 | 2020-04-17 | 东南大学 | Small electric field probe for testing broad-band shielding effectiveness of shield and working and using method thereof |
| CN111129758A (en) * | 2020-01-14 | 2020-05-08 | 上海霍莱沃电子系统技术股份有限公司 | Broadband dual-polarization tapered slot probe antenna |
| CN114188710A (en) * | 2021-12-01 | 2022-03-15 | 南京理工大学 | Ultra-wideband miniaturized opposite extension Vivaldi antenna |
| CN113889765B (en) * | 2021-10-19 | 2024-04-19 | 中国人民解放军63660部队 | Method for expanding working band lower limit of coplanar Vivaldi antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025029A (en) * | 2019-11-18 | 2020-04-17 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | System and method for testing near-field directional diagram of triple-frequency phased array surface |
| CN111025027A (en) * | 2019-12-20 | 2020-04-17 | 东南大学 | Small electric field probe for testing broad-band shielding effectiveness of shield and working and using method thereof |
| CN111129758A (en) * | 2020-01-14 | 2020-05-08 | 上海霍莱沃电子系统技术股份有限公司 | Broadband dual-polarization tapered slot probe antenna |
| CN113889765B (en) * | 2021-10-19 | 2024-04-19 | 中国人民解放军63660部队 | Method for expanding working band lower limit of coplanar Vivaldi antenna |
| CN114188710A (en) * | 2021-12-01 | 2022-03-15 | 南京理工大学 | Ultra-wideband miniaturized opposite extension Vivaldi antenna |
| CN114188710B (en) * | 2021-12-01 | 2024-07-09 | 南京理工大学 | Ultra-wideband miniaturized opposite-rubbing Vivaldi antenna |
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Application publication date: 20190412 |