CN105186134A - Broadband antenna - Google Patents

Broadband antenna Download PDF

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Publication number
CN105186134A
CN105186134A CN 201510560304 CN201510560304A CN105186134A CN 105186134 A CN105186134 A CN 105186134A CN 201510560304 CN201510560304 CN 201510560304 CN 201510560304 A CN201510560304 A CN 201510560304A CN 105186134 A CN105186134 A CN 105186134A
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antenna
dielectric substrate
printed
oval
broadband antenna
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CN 201510560304
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Chinese (zh)
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陈立甲
李国际
许琳
李�浩
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哈尔滨工业大学
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Abstract

A broadband antenna belongs to the field of wireless communication. The traditional broadband antenna has problems of narrowness in the designed frequency band and incapability of being compatible to a high-frequency band communication transmission or radar system. The broadband antenna comprises a dielectric substrate (1), wherein a microstrip feeding line (2) and an oval adjustment branch (3) are printed on one side panel of the dielectric substrate (1), a metal patch (4) formed with an oval hole (5) is printed on the other side panel of the dielectric substrate (1), and an oval metal patch (6) is printed in the oval hole (5). The broadband antenna designed by the invention is in a frequency range of 2.48 to 28.63GHz, and the return loss is smaller than (-10) dB. The working frequency band of the antenna can cover frequencies of wireless communication, radar, navigation and section multi-point transmission service systems, and coordinative working of multiple types of systems is achieved. The antenna is of a printing structure and has the characteristics of low profile, a compact structure, light weight and low cost, and is easy to integrate.

Description

超宽带天线 Ultra-wideband antenna

技术领域 FIELD

[0001] 本发明涉及一种超宽带天线。 [0001] The present invention relates to an ultra wideband antenna.

背景技术 Background technique

[0002] 超宽带天线可以同时实现通信、雷达、导航和电子战的信号收发工作,大幅降低天线系统的体积和载荷,实现天线系统在载体上的最优布局,有效减小天线系统的雷达散射截面,是国防技术的高点。 [0002] An ultrawideband antenna can be realized simultaneously sending and receiving a communication signal, radar, electronic warfare, and navigation, and significantly reduce the volume of the load of the antenna system, the antenna system to achieve optimum placement on a support, effectively reducing radar antenna system cross section, the high point of the defense technology. 近几年,随着超宽带技术队商业应用的开放,越来越多的超宽带天线应用在无线通信系统中,成为了研究的新热点。 In recent years, the team with the opening of ultra-wideband technology for commercial applications, more and more ultra-wideband antennas used in wireless communication systems, has become a new hot spot for research.

[0003] 但是目前超宽带天线的技术手段还不够成熟,现有超宽带天线设计频段较窄,无法兼容到高频段的通信传输或雷达系统的问题。 [0003] However, the current ultra-wideband antenna technology is not mature enough, the existing ultra-wide band antenna design narrow band, not compatible with the problem of communication or transmission of high frequency radar system.

发明内容 SUMMARY

[0004] 本发明的目的是为了解决现有超宽带天线存在设计频段较窄,无法兼容到高频段的通信传输或雷达系统的问题,而提出一种超宽带天线。 [0004] The object of the present invention is to solve the problems existing narrow band ultra wideband antenna design, the problem is not compatible communication or radar systems transmit high frequency, and an ultra wideband antenna is proposed.

[0005] -种超宽带天线,所述超宽带天线包括:介质基板,介质基板一侧面板上印刷微带馈线和椭圆形调节枝节,且微带馈线的一端延伸至椭圆形调节枝节的短轴端,另一端延伸至介质基板边缘;介质基板的另一侧面板上印刷金属贴片,金属贴片的中心开设椭圆孔,且椭圆孔内部印刷椭圆金属贴片。 [0005] - species ultrawideband antenna, the ultrawideband antenna comprising: a dielectric substrate, a printed microstrip feed line and ellipse minor adjustment on a dielectric substrate side of the panel, and one end of the microstrip feed line extends to the minor ellipse minor axis adjustment end, and the other end extending to the edge of the dielectric substrate; the other side of the dielectric substrate of the printing plate metal patches, the patch defines a central metal oval holes and elliptical holes elliptical inner metal patches printed.

[0006] 本发明的有益效果为: [0006] Advantageous effects of the present invention are:

[0007] 本发明提出来一种新型超宽带天线,其-10dB带宽要远大于传统的超宽带天线。 [0007] The present invention proposed a novel ultra wideband antenna, which is much larger than -10dB bandwidth of a conventional ultra wideband antenna. 仿真结果表明,所设计的超宽带天线在2. 48~28. 63GHz频段内,回波损耗均小于-10dB。 The simulation results show that the ultra wideband antenna designed in 2. 48 ~ 28. 63GHz band, the return loss is less than -10dB. 该天线工作频段可以覆盖无线通信、雷达、导航和区域多点传输服务(LocalMultipoint DistributionServices)等系统频等,实现多种系统的协同工作。 The antenna may cover the work band radio communication, radar, and navigation service area of ​​the multi-point transmission (LocalMultipoint DistributionServices) systems like frequency, various systems to work together to achieve. 该天线为印刷结构,具有低剖面、结构紧凑、重量轻、成本低、易于集成的特点。 The antenna structure is printed, having a low profile, compact, light weight, low cost, easy integration.

[0008] 仿真结果表明,所设计的超宽带天线在2. 48~28. 63GHz的频段内回波损耗均小于-10dB。 [0008] The simulation results show that the designed ultra wideband antenna in a frequency band 2. 48 ~ 28. 63GHz return loss less than -10dB. 该天线具有较高的增益和3-dB波束宽度,良好的辐射特性。 The antenna has a high gain and the 3-dB beamwidth, good radiation characteristics.

附图说明 BRIEF DESCRIPTION

[0009] 图1为本发明的结构示意图; [0009] FIG. 1 is a schematic view of the structure of the present invention;

[0010] 图2为本发明印刷微带馈线和椭圆形调节枝节一侧的结构示意图;图中,Ls表示介质基板1的宽度,Ws表示介质基板1的长度,h表示介质基板1的厚度,r表示椭圆孔5 的短轴半径,rl表示椭圆孔5的长轴半径,rxs表示椭圆金属贴片6的长轴半径,rys表示椭圆金属贴片6的短轴半径; Minor side schematic view of a printed microstrip feed adjustment shaped and elliptical [0010] the present invention, FIG. 2; FIG., Ls denotes the width of the dielectric substrate 1, represents the length Ws of the dielectric substrate 1, h represents the thickness of the dielectric substrate 1, r represents a radius of the minor axis of the elliptical aperture 5, rl represents the major axis radius of the elliptical aperture 5, rxs ellipse represents the major axis radius metal patches 6, rys ellipse represents the minor axis radius metal patch 6;

[0011] 图3为本发明印刷金属贴片以及中心开设椭圆孔一侧的结构不意图;图中,rx表示椭圆形调节枝节3的长轴半径,ry表示椭圆形调节枝节3的短轴半径,Wf表示微带馈线2的宽度,Lf表示微带馈线2的长度。 [0011] FIG 3 defines a printed metallic patch and a central elliptical hole structure of the present invention is not intended to side; FIG, rx represents the radius of the major axis of ellipse minor adjustment of 3, ry represents the radius of the minor axis of an ellipse minor adjustment 3 , Wf represents the width of the microstrip feedline 2, Lf denotes the length of the microstrip feed line 2.

具体实施方式 detailed description

具体实施方式[0012] 一: DETAILED DESCRIPTION [0012] a:

[0013] 本实施方式的超宽带天线,结合图1所示,所述超宽带天线包括:介质基板1,介质基板1 一侧面板上印刷微带馈线2和椭圆形调节枝节3,且微带馈线2的一端延伸至椭圆形调节枝节3的短轴端,另一端延伸至介质基板1边缘;介质基板1的另一侧面板上印刷金属贴片4,金属贴片4的中心开设椭圆孔5以实现超宽带的目的,且椭圆孔5内部印刷椭圆金属贴片6。 [0013] Ultra wideband antenna of the present embodiment, in conjunction with FIG. 1, the ultra wideband antenna comprising: a dielectric substrate 1, a printed microstrip feed line on the side of the panel 2 and the dielectric substrate 3 ellipse minor adjustment, and microstrip one end of the feeder 2 is extended to an ellipse minor axis end stub 3 is adjusted, the other end extending to the edge of the dielectric substrate 1; the other side of the dielectric substrate 1 of the printed board 4 metal patch, metal patch 4 defines the central elliptical hole 5 in order to achieve the object of the UWB, and the oblong hole 5 elliptical internal printed metallic patch 6.

具体实施方式[0014] 二: DETAILED DESCRIPTION [0014] II:

[0015] 与具体实施方式一不同的是,本实施方式的超宽带天线,所述椭圆孔5设置在金属贴片4的中心位置。 [0015] DETAILED with a different embodiment, the central position of the metal patch 4 ultra wideband antenna according to the present embodiment, the oblong hole 5 is provided.

具体实施方式[0016] 三: DETAILED DESCRIPTION [0016] III:

[0017] 与具体实施方式一或二不同的是,本实施方式的超宽带天线,所述椭圆孔5和椭圆金属贴片6为同轴心设置。 [0017] and one or two specific embodiments except that the ultra wideband antenna of the present embodiment, the oblong hole 5 and an elliptical metallic patch disposed coaxially to 6.

具体实施方式[0018] 四: DETAILED DESCRIPTION [0018] IV:

[0019] 与具体实施方式三不同的是,本实施方式的超宽带天线,所述介质基板1的相对介电常数e为4. 4,所述介质基板1的厚度h为0. 8mm。 [0019] DETAILED with Embodiment 3 except that the ultra wideband antenna of the present embodiment, the relative dielectric constant e of the dielectric substrate 1 is 4.4, the substrate dielectric thickness h 1 of 0. 8mm.

具体实施方式[0020] 五: DETAILED DESCRIPTION [0020] V:

[0021] 与具体实施方式一、二或四不同的是,本实施方式的超宽带天线,所述下层印刷板3采用天线地板。 [0021] with the description of a different embodiment, two or four, the ultra wideband antenna of the present embodiment, the lower layer printed board 3 using an antenna floor.

[0022] 工作原理: [0022] How it works:

[0023] 该天线基于槽天线模型,通过微带馈线进行馈电,并利用天线地板开椭圆的技术实现超宽带。 [0023] The antenna slot antenna model, technology fed by a microstrip feed line and the antenna of the floor with oval ultra wideband. 通过在椭圆孔内增设微带调节枝节以达到拓宽频带的目的。 By adjusting the microstrip stub additional elliptical aperture to achieve the purpose of broadening the frequency band.

[0024] 实施例1 : [0024] Example 1:

[0025] 本实施方式的超宽带天线,所述超宽带天线包括:介质基板1,介质基板1 一侧面板上印刷微带馈线2和椭圆形调节枝节3,且微带馈线2的一端延伸至椭圆形调节枝节3的短轴端,另一端延伸至介质基板1边缘;介质基板1的另一侧面板上印刷金属贴片4,金属贴片4的中心开设椭圆孔5以实现超宽带的目的,所述椭圆孔5设置在金属贴片4的中心位置,且椭圆孔5内部印刷椭圆金属贴片6,所述椭圆孔5和椭圆金属贴片6为同轴心设置。 [0025] Ultra wideband antenna of the present embodiment, the ultra wideband antenna comprising: a dielectric substrate 1, a printed microstrip feed line 2 and the minor elliptical adjusting the panel 3 on the side of the dielectric substrate 1, and the microstrip feed line extends to one end 2 ellipse minor axis end stub 3 is adjusted, the other end extending to the edge of the dielectric substrate 1; the other side of the dielectric substrate 1 of the printed board 4 metal patch, metal patch 4 defines the central oblong hole 5 in order to achieve the purpose of UWB the oblong hole 5 provided in the center position of the metal patch 4, 5 and the oblong hole 6 inside metal patches printed oval, elliptical and the oblong hole 5 coaxial metallic patch 6 is disposed. 其中,图2和图3中各结构尺寸如下表: Wherein FIGS. 2 and 3, each structure size as follows:

[0026] 表1.天线结构尺寸 [0026] Table 1. The size of the antenna structure

[0027] [0027]

Figure CN105186134AD00041

[0028] 本发明还可有其它多种实施例,在不背离本发明精神及其实质的情况下,本领域技术人员当可根据本发明作出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。 [0028] The present invention may have a variety of other embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding modifications and variations according to the present invention, these corresponding changes and variations should belong to the scope of protection of the appended claims.

Claims (5)

  1. 1. 一种超宽带天线,其特征在于:所述超宽带天线包括:介质基板(I),介质基板(I) 一侧面板上印刷微带馈线(2)和椭圆形调节枝节(3),且微带馈线(2)的一端延伸至椭圆形调节枝节(3)的短轴端,另一端延伸至介质基板(1)边缘;介质基板(1)的另一侧面板上印刷金属贴片(4),金属贴片(4)的中心开设椭圆孔(5),且椭圆孔(5)内部印刷椭圆金属贴片(6)。 An ultrawideband antenna, wherein: the ultra wideband antenna comprising: a dielectric substrate (I), a dielectric substrate (I) printed microstrip feed line (2) and an oval adjusting stub (3) on the side of the panel, and one end of the microstrip feed line (2) extends to an oval adjusting stub (3) of the short axis side, and the other end extending to the dielectric substrate (1) edge; the other side of the dielectric substrate board (1) printed metallic patch ( 4), the central metal patch (4) defines the oblong hole (5), and the oblong hole (5) inside the elliptical printed metallic patches (6).
  2. 2. 根据权利要求1所述超宽带天线,其特征在于:所述椭圆孔(5)设置在金属贴片(4) 的中心位置。 2. The method of claim 1 ultrawideband antenna, wherein: said oval hole (5) provided at the center position of the metal patch (4).
  3. 3. 根据权利要求1或2所述超宽带天线,其特征在于:所述椭圆孔(5)和椭圆金属贴片(6)为同轴心设置。 According to claim 1 or claim 2 ultrawideband antenna, wherein: said oval hole (5) and an elliptical metallic patch (6) to the same axis.
  4. 4. 根据权利要求3所述超宽带天线,其特征在于:所述介质基板(1)的相对介电常数e为4. 4,所述介质基板(1)的厚度h为0. 8mm。 4. The method of claim 3 ultrawideband antenna, wherein: said dielectric substrate (1) relative permittivity e is 4.4, the dielectric substrate (1) has a thickness h is 0. 8mm.
  5. 5. 根据权利要求1、2或4所述超宽带天线,其特征在于:所述下层印刷板⑶采用天线地板。 1, 2, 4 or 5. The ultrawideband antenna as claimed in claim, wherein: the lower layer printed board using antenna ⑶ floor.
CN 201510560304 2015-09-06 2015-09-06 Broadband antenna CN105186134A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090058732A1 (en) * 2005-07-12 2009-03-05 Hisamatsu Nakano Wideband antenna unit
WO2010029304A1 (en) * 2008-09-12 2010-03-18 The University Of Birmingham Multifunctional antenna
CN101861678A (en) * 2007-10-04 2010-10-13 高通股份有限公司 Antenna having a defined gab between first and second radiating elements
CN102110892A (en) * 2010-12-29 2011-06-29 上海大学 Low-standing-wave ratio and ultra-wide band planar slot antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090058732A1 (en) * 2005-07-12 2009-03-05 Hisamatsu Nakano Wideband antenna unit
CN101861678A (en) * 2007-10-04 2010-10-13 高通股份有限公司 Antenna having a defined gab between first and second radiating elements
WO2010029304A1 (en) * 2008-09-12 2010-03-18 The University Of Birmingham Multifunctional antenna
CN102110892A (en) * 2010-12-29 2011-06-29 上海大学 Low-standing-wave ratio and ultra-wide band planar slot antenna

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
SANJAY GURJAR,等: ""A CPW-Fed Slotted Elliptical Antenna with Triple"", 《2014 INTERNATIONAL CONFERENCE ON SIGNAL PROPAGATION AND COMPUTER TECHNOLOGY (ICSPCT 2014)》 *
尹静: ""微带天线宽频带技术研究"", 《中国优秀硕士学位论文全文数据库》 *
彭麟: ""小型微带天线的宽频带技术及无线通信天线的设计"", 《中国优秀硕士学位论文全文数据库》 *

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