CN107453046A - The arbitrary Butler matrix beam forming networks of phase difference between output port - Google Patents
The arbitrary Butler matrix beam forming networks of phase difference between output port Download PDFInfo
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- CN107453046A CN107453046A CN201710617394.9A CN201710617394A CN107453046A CN 107453046 A CN107453046 A CN 107453046A CN 201710617394 A CN201710617394 A CN 201710617394A CN 107453046 A CN107453046 A CN 107453046A
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- 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
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
Abstract
The invention discloses a kind of arbitrary butler matrix beam forming networks of phase difference between output port, including four input ports, four output ports, four any output phases to intersect across directional coupler, four open-ends across directional couple line and four phase shift lines across directional coupler, two；Phase decision of the phase of four output ports by four any output phases across directional coupler and four phase shift lines.The present invention is realized with the arbitrary Butler matrix beam forming networks of phase difference between output port by using any output phase across directional coupler, improves the flexibility of antenna array beam position.The present invention is closed by that will intersect across directional coupler, open-end across directional couple line and phase shift knot, realizes the butler matrix beam forming networks of small volume.The present invention have easy processing and it is inexpensive the advantages of, suitable for being widely popularized.
Description
Technical field
The invention belongs to a kind of arbitrary Butler matrixes ripple of phase difference between field of microwave antennas, more particularly to output port
Beam forms network.
Background technology
The effect of beam-forming network is that the amplitude and phase of fixation are provided for the element antenna in aerial array, to realize
Different beam-scanning angles.Wave beam forming array antenna is developed rapidly in civilian and military field.Wave beam shape
A kind of conventional implementation method into network is to use Butler matrixes.Traditional Butler matrixes are a kind of symmetrical structures, by fixed
Formed to coupler, transposition circuit and phase shifter.Such as：The butler matrixes of one 4 × 4 include four input ports and four
Output port, one of input port is encouraged, the phase difference between the output port of amplitude and stationary distribution such as can obtain.Tradition
The phase differences of butler matrixes be ± 45 ° and ± 135 °., can be with by the way that 4 × 4 butler matrixes are connected with array antenna
Obtain the wave beam of four kinds of different directions.
However, traditional Butler matrixes can only realize the phase difference of ± 45 ° and ± 135 °, cause antenna array beam position
It is fixed four direction.For this reason, it is necessary to propose that the arbitrary Butler matrix beams of phase difference are formed between a kind of output port
Network, to improve the flexibility of antenna array beam position.
The content of the invention
To solve above mentioned problem existing for prior art, the present invention will design a kind of antenna array beam position of can improving
The arbitrary Butler matrix beam forming networks of phase difference between the output port of flexibility.
To achieve these goals, technical scheme is as follows：
The arbitrary butler matrix beam forming networks of phase difference between output port, including four input ports, four it is defeated
Exit port, four any output phases across directional coupler, two intersect across directional coupler, four open-ends across
Directional couple line and four phase shift lines；
Four described input ports are respectively input port A, input port B, input port C and input port D, four
Output port is respectively output port A, output port B, output port C and output port D, and four any output phases are across fixed
It is respectively any output phase across directional coupler A, any output phase across directional coupler B, any defeated to coupler
Go out phase across directional coupler C and any output phase across directional coupler D, two intersect across directional coupler difference
To intersect across directional coupler A and intersecting across directional coupler B, four open-ends are respectively whole across directional couple line
End open circuit is opened across directional couple line A, open-end across directional couple line B, open-end across directional couple line C and terminal
Across directional couple line D, four phase shift lines are respectively phase shift line A, phase shift line B, phase shift line C and phase shift line D on road；
The input port A and input port B are respectively with any output phase across directional coupler A port A and end
Mouthful B connections, any output phase across directional coupler A port C and open-end across directional couple line A port
A by the A connections of phase shift line, any output phase across directional coupler A port D with intersecting across directional coupler A
Port A connections；The open-end is across directional couple line A port B and any output phase across directional coupler C's
Port A is described to intersect across directional coupler A port B and any output phase across directional couple by the B connections of phase shift line
Device C port B connections；
Any output phase across directional coupler C port C with open-end across directional couple line B port
A connections, any output phase are connected across directional coupler C port D with the port A intersected across directional coupler B；
The open-end is connected across directional couple line B port B with output port A, and the intersection is across directional coupler B end
Mouth B is connected with output port B；
The intersection is symmetrical on cross central line across directional coupler A structure；The intersection is across directional couple
Device B and intersection are identical across directional coupler A structures；
Any output phase is identical across directional coupler A structures with any output phase across directional coupler C；
The open-end is identical across directional couple line A structures with open-end across directional couple line B；
The structure of whole network is symmetrical on cross central line；
The output port A, output port B, output port C and output port D phase by any output phase across
Directional coupler A, any output phase are across directional coupler B, any output phase across directional coupler C and any output
Across directional coupler D phase and phase shift line A, phase shift line B, phase shift line C and phase shift line D phase decision, it has phase
Body relation is as follows：
When input port A is energized, the phase difference between output port A and input port A isOutput port B with
Phase difference between input port A isPhase difference between output port C and input port A isOutput port D with
Phase difference between input port A is
When input port B is energized, the phase difference between output port A and input port B isOutput port B with
Phase difference between input port B isPhase difference between output port C and input port B isOutput
Phase difference between port D and input port B is
When input port C is energized, the phase difference between output port A and input port C isOutput port B
Phase difference between input port C isPhase difference between output port C and input port C isIt is defeated
Phase difference between exit port D and input port C is
When input port D is energized, the phase difference between output port A and input port D isOutput port B
Phase difference between input port D isPhase difference between output port C and input port D isPhase difference between output port D and input port D is
Wherein：Any output phase is represented across directional coupler A and any output phase across directional coupler B's
Phase,Phase shift line A and phase shift line B total phase shift or phase shift line C and phase shift line D total phase shift is represented,Represent any output
Phase of the phase across directional coupler C and any output phase across directional coupler D.
Further, any output phase across directional coupler A by parallel coupled line A, parallel coupled line B, simultaneously
Join small circular open circuit minor matters A, small circular in parallel open circuit minor matters B, big circular open circuit minor matters A in parallel, big circular open circuit minor matters B in parallel
Formed with flying capcitor C1, C2, C3；Described flying capcitor C1, C2 and C3 be connected in parallel on parallel coupled line A and parallel coupled line B it
Between；Parallel coupled line A upper end sets port A, lower end to set port B, and parallel coupled line B upper end sets port C, lower end to set
Put port D；Small circular open circuit minor matters A in parallel and big circular open circuit minor matters A in parallel is arranged on parallel coupled line A side, in parallel
The small circular open circuit minor matters B and big circular minor matters B that opens a way in parallel is arranged on parallel coupled line B side.
Further, any output phase is symmetrical on longitudinal centre line across directional coupler A structure.
Further, any output phase across directional coupler A, any output phase across directional coupler B,
Any output phase across directional coupler C and any output phase between directional coupler D output port phase difference 0
Arbitrarily selected in the range of~-180 °.
Further, it is described to intersect across directional coupler A by the first parallel coupled line, the second parallel coupled line, the 3rd
Parallel coupled line and the 4th parallel coupled line, connecting line A, connecting line B and flying capcitor C13, C14, C15, C16, C17, C18 structure
Into；The left and right ends of first parallel coupled line set port A and port B, the left and right of the 4th parallel coupled line respectively
Both ends set port C and port D respectively；The left end of second parallel coupled line and the 3rd parallel coupled line passes through connecting line A
Connection, the right-hand member of second parallel coupled line and the 3rd parallel coupled line are connected by connecting line B；The flying capcitor C13,
C14 and C15 is connected in parallel between the first parallel coupled line and the second parallel coupled line, and described flying capcitor C16, C17 and C18 are in parallel
Between the 3rd parallel coupled line and the 4th parallel coupled line.
Further, the open-end across directional couple line A by parallel coupled line C, parallel coupled line D, six simultaneously
The circular open circuit minor matters of connection and flying capcitor C25, C26, C27 are formed；Described flying capcitor C25, C26 are connected in parallel on parallel coupling with C27
Between zygonema C and parallel coupled line D, the both ends of the parallel coupled line C set port A and port B respectively；The parallel coupling
Each uniform three of line C and parallel coupled line D circular open circuit minor matters in parallel.
Further, it is described intersect across directional coupler A and intersect across the respective output ports of directional coupler B and
Phase difference is -90 ° between input port；The open-end is across directional couple line A, open-end across directional couple line B, end
End open circuit is across directional couple line C and open-end across the respective phases between output port and input port of directional couple line D
Difference is -90 °.
Further, any output phase across directional coupler A and any output phase across directional coupler B
Output phase it is identical, any output phase is across directional coupler C and any output phase across directional coupler D's
Output phase is identical；Any output phase is across directional coupler A or any output phases across directional coupler B with appointing
Output phase of anticipating is different across directional coupler D output phase across directional coupler C or any output phases.
Further, the capacitance of the flying capcitor is identical.
Compared with prior art, the invention has the advantages that：
1st, the present invention is realized with phase difference between output port by using any output phase across directional coupler
Arbitrary Butler matrix beam forming networks, improve the flexibility of antenna array beam position.
2nd, the present invention is closed by that will intersect across directional coupler, open-end across directional couple line and phase shift knot,
Realize the butler matrix beam forming networks of small volume.
3rd, the present invention have easy processing and it is inexpensive the advantages of, suitable for being widely popularized.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is structural representation of any output phase across directional coupler A of the present invention；
Fig. 3 is structural representation of the intersection across directional coupler A of the present invention；
Fig. 4 is structural representation of the open-end across directional couple line A of the present invention；
Fig. 5 is each input/output port impedance match situation result figure of the present invention；
Fig. 6 is each input/output port power transmission situation result figure of the present invention；
Fig. 7 is that the different input ports of the present invention encourage phase result figure between lower output port.
In figure：1st, input port A, 2, input port B, 3, input port C, 4, input port D, 5, output port A, 6, defeated
Exit port B, 7, output port C, 8, output port D, 11, any output phase across directional coupler A, 12, arbitrarily export phase
Position across directional coupler B, 21, any output phase across directional coupler C, 22, any output phase is across directional couple
Device D, 31, intersect across directional coupler A, 32, intersect across directional coupler B, 41, open-end across directional couple line A,
42nd, open-end is across directional couple line B, 43, open-end across directional couple line C, 44, open-end is across directional couple
Line D, 111, parallel coupled line A, 112, parallel coupled line B, 113, small circular in parallel open circuit minor matters A, 114, small circular in parallel opens
Road minor matters B, 115, open circuit minor matters A in parallel big circular, 116, big circular open circuit minor matters B in parallel, the 311, first parallel coupled line,
312nd, the second parallel coupled line, the 313, the 3rd parallel coupled line, the 314, the 4th parallel coupled line, 319, connecting line A, 3110, even
Wiring B, 411, parallel coupled line C, 412, parallel coupled line D, 413, circular open circuit minor matters in parallel, 511, phase shift line A, 512, phase
Move line B, 513, phase shift line C, 514, phase shift line D.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.In addition, talk about in the following description it is " symmetrical " simply borrow symmetrical concept illustrate composition and function side
Face it is identical, it is identical to be not necessarily referring to planform itself.
As Figure 1-4, the arbitrary butler matrix beam forming networks of phase difference between output port, including four inputs
Port, four output ports, four any output phases across directional coupler, two intersect across directional coupler, four
Open-end is across directional couple line and four phase shift lines；
Four described input ports are respectively input port A1, input port B 2, input port C3 and input port D4,
Four output ports are respectively output port A5, output port B6, output port C7 and output port D8, and four arbitrarily export phases
Position across directional coupler be respectively any output phase across directional coupler A11, any output phase across directional couple
Across directional coupler C21 and any output phase across directional coupler D22, two intersect horizontal stroke for device B12, any output phase
It is respectively to intersect across directional coupler A31 and intersect across directional coupler B32, four open-end horizontal strokes across directional coupler
Across directional couple line is respectively that open-end is opened across directional couple line A41, open-end across directional couple line B42, terminal
Across directional couple line C43 and open-end across directional couple line D44, four phase shift lines are respectively phase shift line A511, phase on road
Move line B512, phase shift line C513 and phase shift line D514；
The input port A1 and input port B 2 the port A with any output phase across directional coupler A11 respectively
Connected with port B, any output phase across directional coupler A11 port C with open-end across directional couple line
A41 port A by the A511 connections of phase shift line, any output phase across directional coupler A11 port D with intersecting horizontal stroke
Across directional coupler A31 port A connections；Port B and any output phase of the open-end across directional couple line A41
Port A across directional coupler C21 by the B512 connections of phase shift line, the port B intersected across directional coupler A31 with
Port B connection of any output phase across directional coupler C21；
Any output phase across directional coupler C21 port C with open-end across directional couple line B42's
Port A connections, any output phase across directional coupler C21 port D with intersecting across directional coupler B32 end
Mouth A connections；The open-end is connected across directional couple line B42 port B with output port A5, and the intersection is across orientation
Coupler B32 port B is connected with output port B6；
The intersection is symmetrical on cross central line across directional coupler A31 structure；It is described to intersect across orientation coupling
Clutch B32 and intersection are identical across directional coupler A31 structures；
Any output phase is across directional coupler C21 and any output phase across directional coupler A11 structures
It is identical；
The open-end is identical across directional couple line A41 structures with open-end across directional couple line B42；
The structure of whole network is symmetrical on cross central line；
The output port A5, output port B6, output port C7 and output port D8 phase are by any output phase
Across directional coupler A11, any output phase across directional coupler B12, any output phase across directional coupler C21
With any output phase across directional coupler D22 phase and phase shift line A511, phase shift line B512, phase shift line C513 and phase
Line D514 phase decision is moved, its physical relationship is as shown in table 1：
Table 1
Wherein：Any output phase is represented across directional coupler A11 and any output phase across directional coupler
B12 phase,Represent phase shift line A511 and phase shift line B512 total phase shift or phase shift line C513 and phase shift line D514 total phase
Move,Represent phase of any output phase across directional coupler C21 and any output phase across directional coupler D22.
Further, any output phase across directional coupler A11 by parallel coupled line A111, parallel coupled line
B112, small circular in parallel open circuit minor matters A113, small circular in parallel open circuit minor matters B114, big circular open circuit minor matters A115 in parallel, simultaneously
The circular open circuit minor matters B116 of the United Nations General Assembly and flying capcitor C1, C2, C3 are formed；Described flying capcitor C1, C2 are connected in parallel on parallel coupling with C3
Between zygonema A111 and parallel coupled line B112；Parallel coupled line A111 upper end sets port A, lower end to set port B, parallel
Coupling line B112 upper end sets port C, lower end to set port D；Small circular open circuit minor matters A113 in parallel and big circle in parallel are opened
Road minor matters A115 is arranged on parallel coupled line A111 side, small circular open circuit minor matters B114 in parallel and big circular open circuit branch in parallel
Section B116 is arranged on parallel coupled line B112 side.
Further, any output phase is symmetrical on longitudinal centre line across directional coupler A11 structure.
Further, any output phase across directional coupler A11, any output phase across directional coupler
B12, any output phase are across directional coupler C21 and any output phase between directional coupler D22 output port
Phase difference arbitrarily selects in the range of 0~-180 °.
Further, it is described to intersect across directional coupler A31 by the first parallel coupled line 311, the second parallel coupled line
312nd, the 3rd parallel coupled line 313 and the 4th parallel coupled line 314, connecting line A319, connecting line B3110 and flying capcitor C13,
C14, C15, C16, C17, C18 are formed；The left and right ends of first parallel coupled line 311 set port A and port B respectively,
The left and right ends of 4th parallel coupled line 314 set port C and port D respectively；Second parallel coupled line 312 and
The left end of three parallel coupled lines 313 is connected by connecting line A319, the parallel coupled line of the second parallel coupled line 312 and the 3rd
313 right-hand member is connected by connecting line B3110；Described flying capcitor C13, C14 and C15 are connected in parallel on the first parallel coupled line 311
And second between parallel coupled line 312, described flying capcitor C16, C17 and C18 are connected in parallel on the 3rd parallel coupled line 313 and the 4th
Between parallel coupled line 314.
Further, the open-end across directional couple line A41 by parallel coupled line C411, parallel coupled line
D412, six circular open circuit minor matters 413 in parallel and flying capcitor C25, C26, C27 are formed；Described flying capcitor C25, C26 and
C27 is connected in parallel between parallel coupled line C411 and parallel coupled line D412, and the both ends of the parallel coupled line C411 are set respectively
Port A and port B；Each uniform three of the parallel coupled line C411 and parallel coupled line D412 circular open circuit minor matters 413 in parallel.
Further, it is described to intersect across directional coupler A31 and intersect across the respective output ends of directional coupler B32
Mouth is -90 ° phase difference between input port；The open-end is across directional couple line A41, open-end across directional couple
Line B42, open-end are across directional couple line C43 and open-end across directional couple line D44 each output port and inputs
Phase difference between port is -90 °.
Further, any output phase across directional coupler A11 and any output phase across directional couple
Device B12 output phase is identical, and any output phase is across directional coupler C21 and any output phase across orientation coupling
Clutch D22 output phase is identical；Any output phase is across directional coupler A11 or any output phases across orientation
Coupler B12 and output of any output phase across directional coupler C21 or any output phases across directional coupler D22
Phase is different.
The specific embodiment of the present invention is described below.
In a particular embodiment of the present invention, makeFour obtained are defeated
Phase difference between exit port is respectively -65 °, 115 °, -155 °, 25 °.
Fig. 5-6 shows the S parameter of the embodiment of the present invention, for describing to transmit between each port the situation of signal.Sii
Refer to the reflectance factor looked when all of the port connects matched load to i ports；When Sij represents that other ports connect matched load, j ends
Mouth arrives the transmission coefficient of i ports.
As shown in figure 5, the centre frequency of embodiment butler matrixes is 2.0GHz.In 1.7GHz to 2.2GHz frequency model
In enclosing, the return loss of input port and output port is all higher than 10dB.As shown in fig. 6, at centre frequency 2GHz, each input
Port and the transmission coefficient of each output port are -6dB.
Fig. 7 shows phase parameter between the output port of the embodiment of the present invention, for describing when different input ports are swashed
When encouraging, the phase relation between output port.From the figure, it can be seen that the embodiment of the present invention realized at centre frequency 2GHz-
65 °, 115 °, -155 °, 25 ° of phase.
As a result show, the present embodiment can realize phase difference between arbitrary output port, while ensure that good port
Impedance matching and signal power transmission.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. the arbitrary butler matrix beam forming networks of phase difference between output port, it is characterised in that：Including four inputs
Mouth, four output ports, four any output phases are intersected across directional coupler, four ends across directional coupler, two
End open circuit is across directional couple line and four phase shift lines；
Four described input ports are respectively input port A (1), input port B (2), input port C (3) and input port D
(4), four output ports are respectively output port A (5), output port B (6), output port C (7) and output port D (8), and four
Individual any output phase across directional coupler be respectively any output phase across directional coupler A (11), arbitrarily export phase
Position is across directional coupler B (12), any output phase across directional coupler C (21) and any output phase across orientation coupling
Clutch D (22), it is respectively to intersect across directional coupler A (31) and intersect across orientation coupling that two, which intersect across directional coupler,
Clutch B (32), four open-ends are respectively that open-end is opened across directional couple line A (41), terminal across directional couple line
Road is across directional couple line B (42), open-end across directional couple line C (43) and open-end across directional couple line D
(44), four phase shift lines are respectively phase shift line A (511), phase shift line B (512), phase shift line C (513) and phase shift line D (514)；
The input port A (1) and input port B (2) are respectively with any output phase across the port of directional coupler A (11)
A connects with port B, any output phase across directional coupler A (11) port C with open-end across directional couple
Line A (41) port A passes through phase shift line A (511) connections, port D of any output phase across directional coupler A (11)
It is connected with the port A intersected across directional coupler A (31)；The open-end across directional couple line A (41) port B with
Arbitrarily output phase is across directional coupler C (21) port A by phase shift line B (512) connections, and the intersection is across orientation coupling
Clutch A (31) port B is connected with port B of any output phase across directional coupler C (21)；
Any output phase across directional coupler C (21) port C with open-end across directional couple line B's (42)
Port A connections, any output phase across directional coupler C (21) port D with intersecting across directional coupler B (32)
Port A connections；The open-end is connected across directional couple line B (42) port B and output port A (5), the intersection
Port B and output port B (6) across directional coupler B (32) are connected；
The intersection is symmetrical on cross central line across directional coupler A (31) structure；The intersection is across directional couple
Device B (32) and intersection are identical across directional coupler A (31) structure；
Any output phase is across directional coupler C (21) and any output phase across directional coupler A (11) structure
It is identical；
The open-end is identical across directional couple line A (41) structure with open-end across directional couple line B (42)；
The structure of whole network is symmetrical on cross central line；
The output port A (5), output port B (6), output port C (7) and output port D (8) phase are by arbitrarily exporting
Phase is across directional coupler A (11), any output phase across directional coupler B (12), any output phase across orientation
Coupler C (21) and any output phase phase and phase shift line A (511) across directional coupler D (22), phase shift line B
(512), phase shift line C (513) and phase shift line D (514) phase decision, its physical relationship are as follows：
When input port A (1) is energized, the phase difference between output port A (5) and input port A (1) isOutput end
Phase difference between mouthful B (6) and input port A (1) isPhase difference between output port C (7) and input port A (1) isPhase difference between output port D (8) and input port A (1) is
When input port B (2) is energized, the phase difference between output port A (5) and input port B (2) isOutput end
Phase difference between mouthful B (6) and input port B (2) isPhase between output port C (7) and input port B (2)
Difference isPhase difference between output port D (8) and input port B (2) is
When input port C (3) is energized, the phase difference between output port A (5) and input port C (3) isOutput
Phase difference between port B (6) and input port C (3) isBetween output port C (7) and input port C (3)
Phase difference bePhase difference between output port D (8) and input port C (3) is
When input port D (4) is energized, the phase difference between output port A (5) and input port D (4) isOutput
Phase difference between port B (6) and input port D (4) isBetween output port C (7) and input port D (4)
Phase difference bePhase difference between output port D (8) and input port D (4) is
Wherein：Any output phase is represented across directional coupler A (11) and any output phase across directional coupler B
(12) phase,Represent phase shift line A (511) and phase shift line B (512) total phase shift or phase shift line C (513) and phase shift line D
(514) total phase shift,Any output phase is represented across directional coupler C (21) and any output phase across directional couple
Device D (22) phase.
2. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：Any output phase across directional coupler A (11) by parallel coupled line A (111), parallel coupled line B (112),
Small circular in parallel open circuit minor matters A (113), small circular in parallel open circuit minor matters B (114), big circular open circuit minor matters A (115) in parallel, simultaneously
The circular open circuit minor matters B (116) of the United Nations General Assembly and flying capcitor C1, C2, C3 are formed；Described flying capcitor C1, C2 are connected in parallel on parallel with C3
Between coupling line A (111) and parallel coupled line B (112)；Parallel coupled line A (111) upper end sets port A, lower end to set end
Mouth B, parallel coupled line B (112) upper end set port C, lower end to set port D；Small circular in parallel open circuit minor matters A (113) and
Big circular open circuit minor matters A (115) in parallel is arranged on the side of parallel coupled line A (111), small circular open circuit minor matters B (114) in parallel
The side of parallel coupled line B (112) is arranged on big circular open circuit minor matters B (116) in parallel.
3. the arbitrary butler matrix beam forming networks of phase difference between output port according to claim 1 or 2, it is special
Sign is：Any output phase is symmetrical on longitudinal centre line across directional coupler A (11) structure.
4. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：Any output phase is across directional coupler A (11), any output phase across directional coupler B (12), any
Output phase phase between the output port of directional coupler D (22) across directional coupler C (21) and any output phase
Difference arbitrarily selects in the range of 0~-180 °.
5. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：It is described to intersect across directional coupler A (31) by the first parallel coupled line (311), the second parallel coupled line (312), the
Three parallel coupled lines (313) and the 4th parallel coupled line (314), connecting line A (319), connecting line B (3110) and flying capcitor
C13, C14, C15, C16, C17, C18 are formed；The left and right ends of first parallel coupled line (311) set respectively port A and
Port B, the left and right ends of the 4th parallel coupled line (314) set port C and port D respectively；Second parallel coupling
The left end of line (312) and the 3rd parallel coupled line (313) passes through connecting line A (319) connections, second parallel coupled line
(312) and the right-hand member of the 3rd parallel coupled line (313) passes through connecting line B (3110) connections；Described flying capcitor C13, C14 and
C15 is connected in parallel between the first parallel coupled line (311) and the second parallel coupled line (312), described flying capcitor C16, C17 and
C18 is connected in parallel between the 3rd parallel coupled line (313) and the 4th parallel coupled line (314).
6. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：The open-end across directional couple line A (41) by parallel coupled line C (411), parallel coupled line D (412), six
Circular open circuit minor matters (413) in parallel and flying capcitor C25, C26, C27 are formed；Described flying capcitor C25, C26 and C27 are connected in parallel on
Between parallel coupled line C (411) and parallel coupled line D (412), the both ends of the parallel coupled line C (411) set port respectively
A and port B；The parallel coupled line C (411) and each uniform three of parallel coupled line D (412) circular open circuit minor matters in parallel
(413)。
7. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：It is described to intersect across directional coupler A (31) and intersect across directional coupler B (32) respective output port and input
Phase difference is -90 ° between port；The open-end is across directional couple line A (41), open-end across directional couple line B
(42), open-end across directional couple line C (43) and open-end across directional couple line D (44) each output port with it is defeated
Phase difference between inbound port is -90 °.
8. the arbitrary butler matrix beam forming networks of phase difference, its feature between output port according to claim 1
It is：, any output phase is across directional coupler A (11) and any output phase across directional coupler B's (12)
Output phase is identical, and any output phase is across directional coupler C (21) and any output phase across directional coupler D
(22) output phase is identical；Any output phase is across directional coupler A (11) or any output phases across orientation
Coupler B (12) is with any output phase across directional coupler C (21) or any output phases across directional coupler D (22)
Output phase it is different.
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