CN116470290A - Horn antenna with high caliber efficiency - Google Patents
Horn antenna with high caliber efficiency Download PDFInfo
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- CN116470290A CN116470290A CN202310249169.XA CN202310249169A CN116470290A CN 116470290 A CN116470290 A CN 116470290A CN 202310249169 A CN202310249169 A CN 202310249169A CN 116470290 A CN116470290 A CN 116470290A
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- 238000000926 separation method Methods 0.000 claims abstract description 126
- 230000005855 radiation Effects 0.000 claims abstract description 36
- 230000005284 excitation Effects 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 abstract description 5
- 230000010287 polarization Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- 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
- H01Q13/02—Waveguide horns
- H01Q13/0208—Corrugated horns
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a horn antenna with high caliber efficiency, which comprises an upper shell and a lower shell, wherein a cavity is formed in the upper shell and the lower shell after the upper shell and the lower shell are fixed, a separation stop block is formed in the cavity, and the separation stop block is combined with the corresponding parts of the upper shell and the lower shell to separate the horn antenna into a single-polarized H-plane waveguide power divider, a multi-mode excitation waveguide section and a public waveguide section; the signal input end of the single-polarized H-plane waveguide power divider is the radiation signal input end of the horn antenna, the two radiation signal output ends of the H-plane waveguide power divider are respectively connected with the two radiation signal input ends of the multimode excitation waveguide section, the two radiation signal output ends of the multimode excitation waveguide section are connected with one end of the common waveguide section, and the other end of the common waveguide section is the radiation signal output end. The horn antenna can solve the problems of large aperture and dual polarization, and has high aperture efficiency.
Description
Technical Field
The invention relates to the technical field of horn antennas for communication, in particular to a horn antenna with high caliber efficiency.
Background
Horn antennas are widely used in a variety of microwave and millimeter wave applications, such as satellite missions and measurement systems. The main advantages of such radiating elements are low losses, medium/high directivity and strong robustness. An important challenge for space tasks is to design innovative horn structures with both low profile and high aperture efficiency.
The maximum aperture efficiency of a rectangular horn operating in TE10 mode only is 81%. This results from a field with an imperfectly uniform amplitude and phase distribution across the diaphragm, as indicated by diaphragm theory. However, when a plurality of higher order modes are included, higher efficiency can be obtained. The maximization of the aperture efficiency of a single-polarized horn is a hot spot of research in recent years, but the horn antenna in the prior art cannot solve the problems of large aperture and dual polarization.
Disclosure of Invention
The invention aims to solve the technical problem of providing a horn antenna which can solve the problems of large aperture and dual polarization and has high aperture efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme: the horn antenna with high caliber efficiency comprises an upper shell and a lower shell, wherein a cavity is formed in the upper shell and the lower shell after the upper shell and the lower shell are fixed, the inner wall structure of the upper shell is vertically symmetrical with the inner wall structure of the lower shell, a separation stop block is formed in the cavity, and the separation stop block is combined with the corresponding parts of the upper shell and the lower shell to separate the horn antenna into a single-polarized H-plane waveguide power divider, a multi-mode excitation waveguide section and a public waveguide section; the signal input end of the single-polarized H-plane waveguide power divider is the radiation signal input end of the horn antenna, the two radiation signal output ends of the H-plane waveguide power divider are respectively connected with the two radiation signal input ends of the multimode excitation waveguide section, the two radiation signal output ends of the multimode excitation waveguide section are connected with one end of a common waveguide section, and the other end of the common waveguide section is a radiation signal output end; the input radiation signals are distributed by the H-plane waveguide power divider and then processed by the multimode excitation waveguide section, and finally, one path of radiation signals are synthesized by the public waveguide section for output.
The further technical proposal is that: the separation stop block in the lower shell is identical to the separation stop block in the upper shell in structure, and the separation stop block are fixedly connected to form a whole separation stop block in the cavity; the lower shell is internally provided with a separation stop block which comprises an input end separation sheet, wherein the input end separation sheet is connected with a radiation signal input end of the horn antenna and keeps a certain distance with the radiation signal input end of the horn antenna, one end of a first rectangular separation part is connected with the input end separation sheet, the first rectangular separation part is close to the radiation signal output hole relative to the input end separation sheet, the other end of the first rectangular separation part is connected with one end of a second rectangular separation part, the other end of the second rectangular separation part is connected with one end of a third rectangular separation part, the other end of the third rectangular separation part is connected with one end of a fourth rectangular separation part, the other end of the fourth rectangular separation part is connected with one end of a fifth rectangular separation part, the other end of the fifth rectangular separation part is connected with one end of a sixth rectangular separation part, the other end of the sixth rectangular separation part is connected with an output end separation sheet, and the width from the first rectangular separation part to the sixth rectangular separation part is gradually reduced.
The further technical proposal is that: the H-plane waveguide power divider is formed by an input end separation sheet, a first rectangular separation part, a second rectangular separation part, a third rectangular separation part, a part of upper shell and a part of lower shell corresponding to the input end separation sheet, the first rectangular separation part, the second rectangular separation part, the third rectangular separation part, the part of upper shell and the part of lower shell corresponding to the input end separation sheet, the first rectangular separation part, the third rectangular separation part, the left side wall and the right side wall of the upper shell and the left side wall of the lower shell corresponding to the input end separation sheet, the first rectangular separation part, the third rectangular separation part, the left side wall and the right side wall of the lower shell are respectively symmetrically formed with continuous first bosses to sixth bosses, the heights of the first bosses to the sixth bosses are gradually reduced, the inner surfaces of the lower shells where the lower side surfaces of the input end separation sheet and the first rectangular separation part are located are first planes, the inner surfaces of the lower shells where the lower side surfaces of the second rectangular separation part and the third rectangular separation part are located are second planes, and the heights of the first planes are higher than the second planes.
The further technical proposal is that: the multimode excitation waveguide section is formed by a fourth rectangular separation part, a fifth rectangular separation part, a sixth rectangular separation part, an output end separation sheet, a part of upper shell and a part of lower shell corresponding to the fourth rectangular separation part, a continuous seventh boss to an eleventh boss are symmetrically formed on the left side wall and the right side wall of the upper shell and the left side wall of the lower shell corresponding to the fourth rectangular separation part, the heights of the seventh boss to the eleventh boss are gradually reduced, the inner surface of the lower shell where the lower side face of the fourth rectangular separation part is located is a third plane, the inner surface of the lower shell where the lower side face of the fifth rectangular separation part is located is a fourth plane, the inner surface of the lower shell where the lower side face of the sixth rectangular separation part is located is a fifth plane, the inner surface of the lower shell where the lower side face of the output end separation sheet is located is a sixth plane and a seventh plane, and the heights of the third plane to the seventh plane are gradually reduced.
The further technical proposal is that: a twelfth boss and a fourteenth boss are symmetrically formed on left and right side walls of the upper and lower housings corresponding to the common waveguide section, respectively, the heights of the twelfth boss to the fourteenth boss are gradually reduced, and an eighth plane, a ninth plane and a tenth plane with gradually reduced heights are sequentially formed on the lower housing corresponding to the common waveguide section from inside to outside.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the horn antenna integrates an H-plane waveguide power divider, feeds two mirror symmetry and asymmetry angle-expanding waveguide sections, and finally forms an overmode section. The design of these cross sections creates surface discontinuities in the bifurcated waveguide (multimode excitation waveguide segments) and thus excites the weighting modes in the form of TEn 0. The horn antenna can increase the target aperture mode content in a wider frequency bandwidth due to lower bifurcation mode transmission coefficient dispersion between the two excitation waveguides and the common waveguide. Between the bifurcated discontinuities and the final radiating aperture, a common waveguide section is responsible for phase alignment of the propagating aperture modes, thereby maximizing antenna gain and its aperture efficiency. This type of radiating element can achieve a near desired modal distribution over a wide frequency bandwidth. The antenna has a bandwidth greater than that of the antennaIn the case of 20%, a pore size efficiency value of 95% or more is achieved. At the same time, the horn antenna maintains 4.1 lambda 0 The left and right axial profile and the mechanical layout, and therefore, the manufacturing process is simple.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a horn antenna according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded view of a cavity in a feedhorn according to the present disclosure;
FIG. 3 is a right side view of a horn antenna according to an embodiment of the present invention;
fig. 4 is a schematic front view of a horn antenna according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a left-hand structure of a horn antenna according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a feedhorn according to an embodiment of the present invention;
FIG. 7 is a schematic view of the upper housing of the horn antenna according to the embodiment of the present invention;
fig. 8 is a schematic structural view of a lower housing in the horn antenna according to the embodiment of the present invention;
FIG. 9 is an enlarged schematic view of the partial view of FIG. 8;
FIG. 10 is an enlarged schematic view of the partial view of FIG. 8;
wherein: 1. an upper housing; 2. a lower housing; 2-1, a first boss; 2-2, a second boss; 2-3, a third boss; 2-4, a fourth boss; 2-5, a fifth boss; 2-6, a sixth boss; 2-7, a seventh boss; 2-8, an eighth boss; 2-9, a ninth boss; 2-10, a tenth boss; 2-11, eleventh boss; 2-12, a twelfth boss; 2-13, thirteenth boss; 2-14, a fourteenth boss; 2-15, a first plane; 2-16, a second plane; 2-17, a third plane; 2-18, a fourth plane; 2-19, a fifth plane; 2-20, a sixth plane; 2-21, a seventh plane; 2-22, an eighth plane; 2-23, a ninth plane; 2-24, a tenth plane; 3. a separation stop; 3-1, an input end separation sheet; 3-2, a first rectangular partition; 3-3, a second rectangular partition; 3-4, a third rectangular partition; 3-5, fourth rectangular dividing portions; 3-6, fifth rectangular dividing portions; 3-7, a sixth rectangular partition; 3-8, separating sheets at the output end; 4. an H-plane waveguide power divider; 5. multimode excitation waveguide segments; 6. a common waveguide section; 7. and a connecting part.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-10, the embodiment of the invention discloses a horn antenna with high caliber efficiency, wherein the horn antenna is generally made of a metal material, preferably, the horn antenna is made of metal copper. The horn antenna comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 and the lower shell 2 can be fixed through screws, and a cavity is formed in the horn antenna after the upper shell 1 and the lower shell 2 are fixed. Further, as shown in fig. 7 to 8, the inner wall structure of the upper case 1 and the inner wall structure of the lower case 2 are vertically symmetrical, so that in this embodiment, only the upper case 1 or the lower case 2 need be described in detail. A separation stop block 3 is formed in the cavity, and the separation stop block 3 is combined with corresponding parts of the upper shell 1 and the lower shell 2 to separate the horn antenna into a single-polarized H-plane waveguide power divider 4, a multimode excitation waveguide section 5 and a public waveguide section 6;
as shown in fig. 2, the cavity in the upper part of fig. 2 and the upper and lower shells corresponding thereto form a common waveguide section 6, the cavity in the middle part of fig. 2 and the upper and lower shells corresponding thereto form a multimode excitation waveguide section 5, and the cavity in the lower part of fig. 2 and the upper and lower shells corresponding thereto form an H-plane waveguide power divider 4. The signal input end of the single-polarized H-plane waveguide power divider 4 is the radiation signal input end of the horn antenna, the two radiation signal output ends of the H-plane waveguide power divider 4 are respectively connected with the two radiation signal input ends of the multimode excitation waveguide section 5, the two radiation signal output ends of the multimode excitation waveguide section 5 are connected with one end of the common waveguide section 6, and the other end of the common waveguide section 6 is the radiation signal output end; the input radiation signals are distributed by the H-plane waveguide power divider and then processed by the multimode excitation waveguide section, and finally, one path of radiation signals are synthesized by the public waveguide section for output.
The following describes the related structure of the horn antenna in detail with reference to the accompanying drawings.
As shown in fig. 7-8, the separation stop block 3 in the lower shell 2 has the same structure as the separation stop block 3 in the upper shell 1, and the two are fixedly connected to form the whole separation stop block 3 in the cavity; as shown in fig. 9, the separation block 3 in the lower case 2 includes an input separation sheet 3-1, the input separation sheet 3-1 is disposed opposite to the radiation signal input end of the horn antenna and is kept at a distance from the radiation signal input end of the horn antenna, one end of a first rectangular separation section 3-2 is connected to an inner end of the input separation sheet 3-1, the first rectangular separation section 3-2 is disposed close to the radiation signal output hole with respect to the input separation sheet 3-1, the other end of the first rectangular separation section 3-2 is connected to one end of a second rectangular separation section 3-3, the other end of the second rectangular separation section 3-3 is connected to one end of a third rectangular separation section 3-4, the other end of the third rectangular separation section 3-4 is connected to one end of a fourth rectangular separation section 3-5, the other end of the fourth rectangular separation section 3-5 is connected to one end of a fifth rectangular separation section 3-6, the other end of the fifth rectangular separation section 3-6 is connected to one end of a sixth rectangular separation section 3-7, and the other end of the sixth rectangular separation section 3-7 is gradually reduced in width to the first rectangular separation section 3-7. The lengths of the input splitter 3-1, the first to sixth rectangular splitter 3-2 to 3-7, and the output splitter 3-8 are set according to the lengths of the H-plane waveguide power divider 4, the multimode excitation waveguide section 5, and the common waveguide section 6.
As can be seen from fig. 9, in this embodiment, the width of the input separator 3-1 and the output separator 3-8 is smaller than the width of the sixth rectangular separator 3-7, and the length of the input separator 3-1 is smaller than the length of the output separator 3-8.
Further, referring to fig. 2 and fig. 8-10, the input end separating sheet 3-1, the first rectangular separating portion 3-2, the second rectangular separating portion 3-3, the third rectangular separating portion 3-4, and a part of the upper housing 1 and a part of the lower housing 2 corresponding to the first rectangular separating portion form the H-plane waveguide power divider 4. The left and right side walls of the upper case 1 and the lower case 2 corresponding to the input end separating sheet 3-1 and the first to third rectangular separating parts 3-4 are symmetrically formed with continuous first to sixth bosses 2-1 to 2-6, respectively, and the heights of the first to sixth bosses 2-1 to 2-6 gradually decrease, the inner surfaces of the lower case 2 where the lower side surfaces of the input end separating sheet 3-1 and the first rectangular separating part 3-2 are located are first planes 2-15, the inner surfaces of the lower case 2 where the lower side surfaces of the second and third rectangular separating parts 3-3 and 3-4 are located are second planes 2-16, and the heights of the first planes 2-15 are higher than the heights of the second planes 2-16.
Further, referring to fig. 2 and fig. 8 to fig. 10, the fourth rectangular dividing portion 3-5, the fifth rectangular dividing portion 3-6, the sixth rectangular dividing portion 3-7, the output end dividing piece 3-8, and the corresponding part of the upper housing and part of the lower housing form the multimode excitation waveguide section 5, the left and right side walls of the upper housing and the lower housing corresponding to the fourth to sixth rectangular dividing portions 3-7 and the output end dividing piece 3-8 are symmetrically formed with continuous seventh bosses 2-7 to eleventh bosses 2-11, the heights of the seventh bosses 2-7 to eleventh bosses 2-11 gradually decrease, the inner surface of the lower housing where the lower side surface of the fourth rectangular dividing portion 3-5 is a third plane 2-17, the inner surface of the lower housing where the lower side surface of the fifth rectangular dividing portion 3-6 is a fourth plane 2-18, the inner surface of the lower housing where the lower side surface of the sixth rectangular dividing portion 3-7 is a fifth plane 2-7, and the seventh side surface of the seventh dividing piece 2-21 are gradually decreased, and the inner surfaces of the seventh dividing piece 2-8 are gradually decreased.
Further, referring to fig. 2 and 8 to 10, the left and right side walls of the upper and lower cases 1 and 2 corresponding to the common waveguide section 6 are symmetrically formed with twelfth bosses 2 to 12 and fourteenth bosses 2 to 14, respectively, the heights of the twelfth bosses 2 to 12 to fourteenth bosses 2 to 14 gradually decrease, and the lower case corresponding to the common waveguide section 6 is sequentially formed with eighth, ninth and tenth planes 2 to 22, 2 to 23 and 2 to 24 having gradually decreasing heights from inside to outside.
The horn antenna comprises a rectangular radiating aperture, and is fed by two smaller angle-expanding square wave guide sections through a bifurcation h-surface discontinuous surface. For simultaneous feeding of the dual port radiating elements, the antenna comprises a compact h-plane waveguide power divider. The TEn0 mode is excited at the output of the two corner waveguide sections, and the low dispersion mode coupling coefficient (or transmission coefficient of the bifurcated generalized scattering matrix) between the excitation mode and the aperture mode enables broadband implementation of the target aperture mode content. The common waveguide segment is responsible in part for the phase alignment of the aperture modes. The design method aims at a pre-optimized model, enables the amplitude of an aperture mode TEm0 (m=1, 3,5, …) to be approximately 1/m order, enables the relative phase difference of the aperture mode TEm0 to be minimum, and obtains the maximum aperture efficiency through fine tuning design. With a pore size of about 2.8λ 0 × 1.4λ 0 (λ 0 For example, an antenna for free space wavelength at the center frequency of operation, which exhibits an aperture efficiency level of 95% or more over the entire ku-tx band (10.7-12.75 GHz), and a compact profile (4.1 lambda) 0 ). The antenna has a larger aperture size of at least 2λ 0 The problems of large aperture and dual polarization can be solved, and the aperture efficiency is 97%.
Claims (10)
1. A horn antenna of high caliber efficiency, characterized in that: the horn antenna comprises an upper shell (1) and a lower shell (2), wherein a cavity is formed in the upper shell (1) and the lower shell (2) after the upper shell (1) and the lower shell (2) are fixed, the inner wall structure of the upper shell (1) is vertically symmetrical with the inner wall structure of the lower shell (2), a separation stop block (3) is formed in the cavity, and the separation stop block (3) is combined with the corresponding parts of the upper shell (1) and the lower shell (2) to separate the horn antenna into a single-polarized H-plane waveguide power divider (4), a multimode excitation waveguide section (5) and a public waveguide section (6); the signal input end of the single-polarized H-plane waveguide power divider (4) is the radiation signal input end of the horn antenna, the two radiation signal output ends of the H-plane waveguide power divider (4) are respectively connected with the two radiation signal input ends of the multimode excitation waveguide section (5), the two radiation signal output ends of the multimode excitation waveguide section (5) are connected with one end of the common waveguide section (6), and the other end of the common waveguide section (6) is the radiation signal output end; the input radiation signals are distributed by the H-plane waveguide power divider and then processed by the multimode excitation waveguide section, and finally, one path of radiation signals are synthesized by the public waveguide section for output.
2. A high caliber efficient feedhorn according to claim 1, wherein: the separation stop block (3) in the lower shell (2) has the same structure as the separation stop block (3) in the upper shell (1), and the two are fixedly connected to form the whole separation stop block (3) in the cavity; the separation block (3) in the lower shell (2) comprises an input end separation sheet (3-1), the input end separation sheet (3-1) is opposite to the radiation signal input end of the horn antenna and keeps a certain distance with the radiation signal input end of the horn antenna, one end of a first rectangular separation part (3-2) is connected with the inner side end part of the input end separation sheet (3-1), the first rectangular separation part (3-2) is arranged close to a radiation signal output hole relative to the input end separation sheet (3-1), the other end of the first rectangular separation part (3-2) is connected with one end of a second rectangular separation part (3-3), the other end of the second rectangular separation part (3-3) is connected with one end of a third rectangular separation part (3-4), the other end of the third rectangular separation part (3-4) is connected with one end of a fourth rectangular separation part (3-5), the other end of the fourth rectangular separation part (3-5) is connected with one end of a fifth rectangular separation part (3-6), the other end of the fourth rectangular separation part (3-5) is connected with one end of the fifth rectangular separation part (3-7), the widths of the first to sixth rectangular partitions (3-2) to (3-7) gradually decrease.
3. A high caliber efficient feedhorn according to claim 2, wherein: the width of the input end separating sheet (3-1) and the output end separating sheet (3-8) is smaller than the width of the sixth rectangular separating part (3-7).
4. A high caliber efficient feedhorn according to claim 2, wherein: the length of the input end separating sheet (3-1) is smaller than the length of the output end separating sheet (3-8).
5. A high caliber efficient feedhorn according to claim 2, wherein: the input end separation sheet (3-1), the first rectangular separation part (3-2), the second rectangular separation part (3-3), the third rectangular separation part (3-4) and a part of the upper shell (1) and a part of the lower shell (2) corresponding to the first rectangular separation part, the first rectangular separation part (3-1) and the first to third rectangular separation parts (3-4) are respectively symmetrically formed with continuous first bosses (2-1) to sixth bosses (2-6), the heights of the first bosses (2-1) to the sixth bosses (2-6) are gradually reduced, the inner surface of the lower shell (2) where the input end separation sheet (3-1) and the lower side surface of the first rectangular separation part (3-2) are located is a first plane (2-15), the left side wall and the right side wall of the upper shell (1) corresponding to the first to the third rectangular separation part (3-4) are respectively symmetrical, and the heights of the first bosses (2-1) to the sixth bosses (2-6) are respectively reduced, and the heights of the lower side surfaces of the first bosses (2-1) to the sixth bosses (2-6) are higher than the first plane (2-15) where the lower side surfaces of the first rectangular separation part (3-2) are located.
6. A high caliber efficient feedhorn according to claim 2, wherein: the multi-mode excitation waveguide section (5) is formed by a fourth rectangular separation part (3-5), a fifth rectangular separation part (3-6), a sixth rectangular separation part (3-7), an output end separation sheet (3-8) and a part of an upper shell and a part of a lower shell corresponding to the fourth rectangular separation part, the seventh boss (2-7) to the eleventh boss (2-11) are respectively symmetrically formed on the left side wall and the right side wall of the upper shell and the lower shell corresponding to the fourth rectangular separation part (3-7) and the output end separation sheet (3-8), the heights of the seventh boss (2-7) to the eleventh boss (2-11) are gradually reduced, the inner surface of the lower shell where the lower side surface of the fourth rectangular separation part (3-5) is a third plane (2-17), the inner surface of the lower shell where the lower side surface of the fifth rectangular separation part (3-6) is located is a fourth plane (2-18), the inner surface of the lower shell where the lower side surface of the sixth rectangular separation part (3-7) is located is a fifth plane (2-21), and the inner surface of the seventh side surface (21) where the lower shell is located is a fifth plane (2-21).
7. A high caliber efficient feedhorn according to claim 2, wherein: the left and right side walls of the upper and lower housings (1, 2) corresponding to the common waveguide section (6) are symmetrically formed with twelfth bosses (2-12) and fourteenth bosses (2-14), respectively, the heights of the twelfth bosses (2-12) to the fourteenth bosses (2-14) gradually decrease, and the lower housing corresponding to the common waveguide section (6) is sequentially formed with eighth, ninth and tenth planes (2-22, 2-23, 2-24) with gradually decreasing heights from inside to outside.
8. A high caliber efficient feedhorn according to claim 1, wherein: the upper shell (1) and the lower shell (2) are fixedly connected together through screws.
9. A high caliber efficient feedhorn according to claim 1, wherein: a connecting part (7) is formed on the radiation signal input end of the horn antenna, and a connecting hole is formed on the connecting part.
10. A high caliber efficient feedhorn according to claim 1, wherein: the horn antenna is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249169.XA CN116470290A (en) | 2023-03-15 | 2023-03-15 | Horn antenna with high caliber efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249169.XA CN116470290A (en) | 2023-03-15 | 2023-03-15 | Horn antenna with high caliber efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN116470290A true CN116470290A (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310249169.XA Pending CN116470290A (en) | 2023-03-15 | 2023-03-15 | Horn antenna with high caliber efficiency |
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|---|---|
| CN (1) | CN116470290A (en) |
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2023
- 2023-03-15 CN CN202310249169.XA patent/CN116470290A/en active Pending
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