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VeröffentlichungsnummerCN103928754 A
PublikationstypAnmeldung
AnmeldenummerCN 201410171139
Veröffentlichungsdatum16. Juli 2014
Eingetragen25. Apr. 2014
Prioritätsdatum25. Apr. 2014
Auch veröffentlicht unterCN103928754B
Veröffentlichungsnummer201410171139.2, CN 103928754 A, CN 103928754A, CN 201410171139, CN-A-103928754, CN103928754 A, CN103928754A, CN201410171139, CN201410171139.2
Erfinder张锋, 王顺, 纪奕才, 方广有
Antragsteller中国科学院电子学研究所
Zitat exportierenBiBTeX, EndNote, RefMan
Externe Links:  SIPO, Espacenet
Broadband V type resistor loading reduced dipole antenna
CN 103928754 A
Zusammenfassung
The invention discloses a broadband V type resistor loading reduced dipole antenna and a manufacturing method of the broadband V type resistor loading reduced dipole antenna. The antenna comprises two radiation arms, a loading resistor, supporting rods and an input port, wherein the two radiation arms are symmetrical to each other and form a V shape. Each radiation arm is composed of two metal wires which are in a trapezoid shape and parallel and symmetrical to each other, the two metal wires are used for improving current distribution on the radiation arm, the radiation arm is expanded by the corresponding supporting rods to form a trapezoid shape, and the radiation arm is provided with two tail ends. The loading resistor is electrically connected with the tail ends of the low ends of the two radiation arms respectively and used for reducing reflection current of the tail ends of the radiation arms, and the tail ends of the high ends of the two radiation arms are led out to form the feed ends of the antenna and used for signal input. The broadband V type resistor loading reduced dipole antenna has the advantages of being simple in structure, small in size, convenient to install and the like, and is suitable for fixed observation or movable observation with limited place sizes.
Ansprüche(9)  übersetzt aus folgender Sprache: Chinesisch
1.一种宽带V型电阻加载折合阵子天线,其特征在于,该天线包括:两个辐射臂(2),加载电阻(3),多个支撑杆(41)、(42)、(43)、(44),输入端口(I),所述两个辐射臂(2)结构完全相同且左右对称分布;其中: 所述辐射臂(2)为短底边呈开口状的梯形,其由两条呈短底边呈开口状的梯形且平行对称的金属线(21)、(22)末端电性连接构成;所述辐射臂(2)由四个所述支撑杆(41)、(42)、(43)、(44)张成梯形形状;所述加载电阻(3)电性连接在所述两个辐射臂(2)各自低端的两个末端之间; 所述两条辐射臂(2)各自高端的两个末端引出后组成输入端口(I),作为所述天线的馈电端,用于信号的输入。 A broadband resistive load equivalent to time around a V-type antenna, characterized in that, the antenna comprising: two radiating arms (2), load resistance (3), a plurality of support bars (41), (42), (43) , (44), an input port (I), the two radiation arms (2) are identical and symmetrical distribution structure; wherein: said radial arm (2) to form an opening smaller base of the trapezoidal shape, consisting of two Article were short form base and parallel to the opening shape symmetrical trapezoid wire (21), (22) constituting terminal electrically connected; said radial arm (2) by the said four support bars (41), (42) , (43), (44) into a trapezoidal sheets; the load resistor (3) electrically connected between said two radiating arms (2) each of the two ends of the lower end; the two radiating arms ( 2) After the end of the two ends of each lead-out member input port (I), as the feeding end of the antenna for the input signal.
2.根据权利要求1所述的天线,其特征在于,组成所述辐射臂(2)的两条梯形金属线(21)、(22)的间距为20cm-100cm,所述梯形的高为500cm-2000cm,靠近所述输入端口(I)的底边长度为20cm-100cm,远离所述输入端口(I)的底边长度为300cm-1000cm。 2. The antenna according to claim 1, characterized in that the composition of said radial arm (2) two trapezoidal metal wire (21), (22) the spacing of 20cm-100cm, 500cm height of the trapezoid -2000cm, close to the input port (I) of the base length of 20cm-100cm, away from the input port (I) of the base length of 300cm-1000cm.
3.根据权利要求1所述的天线,其特征在于,所述输入端口(I)外接信号源,外加的激励信号通过输入端口(I)传输到所述两个辐射臂(2)上,并通过所述两个辐射臂(2)向周围空间辐射出去。 3. The antenna according to claim 1, characterized in that said input port (I) the external signal source, the two radiation arm (2) is applied to the excitation signal transmitted through the input port (I), and (2) to the surrounding space radiation radiated by the two arms.
4.根据权利要求1所述的天线,其特征在于,所述输入端口(I)的输入阻抗为450欧姆。 4. The antenna according to claim 1, wherein said input port (I) of the input impedance of 450 ohms.
5.根据权利要求1所述的天线,其特征在于,所述加载电阻(3)由电阻构成。 5. The antenna according to claim 1, wherein said load resistor (3) constituted by a resistor.
6.根据权利要求1所述的天线,其特征在于,所述加载电阻(3)用于减少所述辐射臂末端的反射电流。 6. The antenna according to claim 1, wherein said load resistor (3) for reducing the radiation reflected current arm tip.
7.根据权利要求1所述的天线,其特征在于,所述多个支撑杆(41)、(42)、(43)、(44)为空心介质管,长度为30cm,内径为15mm,外径为20mm。 7. The antenna according to claim 1, wherein said plurality of support bars (41), (42), (43), (44) is a hollow dielectric tube, length 30cm, inner diameter 15mm, outer diameter of 20mm.
8.根据权利要求1所述的天线,其特征在于,所述辐射臂为直角梯形,靠近地面的金属线平行于地面且与远离输入端口I的底边垂直。 8. The antenna according to claim 1, characterized in that the radial arm is a right angle trapezoid, near the ground wire is parallel to the ground and away from the input port and the bottom edge of the vertical I.
9.一种如权利要求1-8任一项所述的宽带V型电阻加载折合阵子天线的制作方法,其包括: 制作第一金属线、和第二金属线,然后将所述第一金属线和第二金属线按第一预定间距固定在所述四个支撑杆上张成短底边呈开口端的梯形,然后将所述第一金属线和第二金属线在短底边开口端处的末端彼此电性连接在一起,形成所述第一辐射臂; 以同样的方式制作所述第二辐射臂; 将所述第一辐射臂的短底边开口端处两个支撑杆分别固定在第一立柱的顶部和底部,将所述第二辐射臂的短底边开口端处的两个支撑杆也分别固定在所述第一立柱的顶部和底部; 将第二立柱按第二预定间距固定在第一立柱的右侧,将所述第一辐射臂的长边闭合端处的两个支撑杆分别固定在第二立柱的顶部和底部; 将第三立柱按所述第二预定间距固定在第一立柱的左侧,并将所述第二辐射臂的长边闭合端处的两个支撑杆分别固定在第三立柱的顶部和底部。 9. A method as claimed in any one of claims 1-8 broadband V-type resistor load equivalent time around antenna manufacturing method, comprising: forming a first wire and a second wire, and then the first metal line and a second metal wire is fixed at a first predetermined pitch on the four smaller base of support rods Zhang was open end of the trapezoid, and then the first wire and the second wire at the open end of the smaller base The ends of each electrically connected together to form the first radiating arm; produced in the same manner as the second radiating arm; the short arm of the base of the first open end of the radiation of the two support rods are fixed in The top and bottom of the first column, the bottom edge of the short arm of the second radiation at the open ends of the two support rods respectively fixed to the top and bottom of the first column; the second column at a second predetermined pitch fixed to the right of the first column, the long arm of the first radiation side of the closed end of the two support rods fixed at the top and bottom of the second column, respectively; the third column is fixed by the second predetermined pitch In the first column on the left side and the long side of the closed second radiating arm two support rods are fixed to the top and bottom of the third column at the end.
Beschreibung  übersetzt aus folgender Sprache: Chinesisch

—种宽带V型电阻加载折合阵子天线 - The kind of wide-band V-type resistor load equivalent time around antenna

技术领域 Technical Field

[0001] 本发明涉及一种应用于宽带高频测距雷达领域的天线,尤其是一种小型化宽带V型电阻加载折合阵子天线 [0001] The present invention relates to the field of wideband high frequency ranging radar antenna, particularly a miniaturized broadband V-type resistor load equivalent time around antenna

背景技术 Background

[0002] 宽带天线是测距雷达系统中一个重要的组成部分,它的性能直接影响着雷达系统的整体性能。 [0002] broadband antennas ranging radar system is an important part of its performance directly affects the overall performance of the radar system. 宽带高频测距雷达系统多采用宽带扫频编码信号或线性调频信号,因此要求天线应具有良好的辐射特性和宽带阻抗特性。 Broadband high frequency ranging radar system to use broadband sweep coded signal or chirp signal, thus requiring the antenna should have a good radiation characteristic and broadband impedance characteristics. 目前宽带高频测距雷达常用的天线形式有电阻加载Delta天线,电阻加载折合阵子天线以及对数周期天线等。 Currently ranging radar antenna in the form of broadband high frequency commonly used resistive load Delta antenna, antenna resistance load equivalent time around and the log-periodic antenna and so on. 在电离层探测等实际应用中,对于安装场地有诸多限制,要求天线尺寸尽可能小且便于安装。 In practice, ionosphere and the like, there are many limitations to the installation site requires antenna size as small as possible and easy to install. 目前用于电离层探测的宽带天线尺寸都很大,如工作在高频段的电阻加载水平折合阵子天线长约30m,占地面积较大,且其低频段辐射特性很差。 Broadband antenna size is currently used for ionosphere are large, such as working in the resistive load equivalent to the level of the high frequency antenna length of time around 30m, a larger area, and the low-frequency radiation characteristics poor. 因此,开发一种小型化的宽带天线,对于推动宽带高频测距雷达技术的发展和应用有着十分积极的作用。 Therefore, the development of a miniaturized wideband antenna, for promoting the development and application of high frequency ranging wideband radar technology has a very positive effect.

发明内容 DISCLOSURE

[0003] 本发明的目的在于改善现有技术存在的不足,提供一种小型化宽带V型电阻加载折合阵子天线。 [0003] The object of the present invention is to improve deficiencies of the prior art, to provide a compact V-type resistance broadband antenna load equivalent time around.

[0004] 本发明提供了一种宽带V型电阻加载折合阵子天线,包括:两个辐射臂(2),加载电阻(3),多个支撑杆(41)、(42)、(43)、(44),输入端口(I),所述两个辐射臂(2)结构完全相同且左右对称分布;其中: [0004] The present invention provides a broadband resistive load equivalent time around V-type antenna comprising: two radial arm (2), load resistance (3), a plurality of support bars (41), (42), (43), (44), an input port (I), the two radiation arms (2) are identical and symmetrical distribution structure; wherein:

[0005] 所述辐射臂(2)为短底边呈开口状的梯形,其由两条呈短底边呈开口状的梯形且平行对称的金属线(21)、(22)末端电性连接构成;所述辐射臂(2)由四个所述支撑杆(41)、(42)、(43)、(44)张成梯形形状;所述加载电阻(3)电性连接在所述两个辐射臂(2)各自低端的两个末端之间; [0005] The radiation arm (2) to form an opening smaller base of the trapezoid shape, which was the base form two short parallel trapezoidal opening shape symmetrical wire (21), (22) is electrically connected to the end composition; said radial arm (2) by the said four support bars (41), (42), (43), (44) into a trapezoidal sheets; the load resistor (3) electrically connected to the two a radial arm (2) between the two ends of each of the lower end;

[0006] 所述两条辐射臂(2)各自高端的两个末端引出后组成输入端口(I),作为所述天线的馈电端,用于信号的输入。 [0006] The two radiating arms (2) after the end of the two ends of each lead-out member input port (I), as the feeding end of the antenna for the input signal.

[0007] 本发明天线可以满足宽带高频测距雷达系统的要求,具有小型化、宽频带、辐射特性好等特点。 Antenna invention [0007] The present meet the requirements of broadband high frequency ranging radar system, miniaturization, wide-band radiation characteristics is good.

附图说明 Brief Description

[0008] 图1是根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的立体示意图; [0008] FIG. 1 is a perspective view of folded load time around broadband antenna according to the size of one embodiment of the invention of the V-type resistance;

[0009] 图2是根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的电压驻波比曲线图; [0009] FIG. 2 is a compact broadband embodiment of the invention of the V-type resistance equivalent load VSWR graph time around the antenna;

[0010] 图3是根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的增益曲线图。 [0010] FIG. 3 is a compact broadband embodiment of the invention of the V-type resistance load equivalent antenna gain graph time around. 具体实施方式 DETAILED DESCRIPTION

[0011] 为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施例,并参照附图,对本发明作进一步的详细说明。 [0011] For the purpose, technical solutions, and advantages of the present invention will become apparent from, the following detailed embodiments, with reference to the accompanying drawings, the present invention will be further described in detail.

[0012] 图1是根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的立体示意图,如图1所示,该小型化宽带V型电阻加载折合阵子天线包括:第一辐射臂和第二辐射臂2,加载电阻3,八个支撑杆41、42、43、44,和一个输入端口1,其中: [0012] FIG. 1 is a V-type resistance loaded on broadband miniaturized embodiment of the invention a schematic perspective view of folded time around the antenna, shown in Figure 1, the miniaturization of broadband V-type resistor load equivalent time around antenna comprising: a first radiation arm and the second radiation arm 2, load resistor 3, eight support rods 41,42, 43,44, and an input port 1, wherein:

[0013] 所述第一辐射臂和第二辐射臂2均为梯形,且短底边处呈开口状,所述第一辐射臂和第二辐射臂结构完全相同,左右对称分布。 [0013] The first radiation arm and the second arm 2 are trapezoidal radiation, which is open at the bottom and the short form, the first radiation arm and the second arm structure radiation are identical, symmetrical distribution. 所述梯形辐射臂2由呈梯形且前后平行对称的第一金属线21、第二金属线22和一个加载电阻3构成,用于改善所述辐射臂2上的电流分布,展宽天线的工作带宽,所述第一金属线21在短底边开口端处低端的一个末端与所述第二金属线22的低端的一个末端电性连接,第一金属线21在短底边开口端处高端的另一个末端与所述第二金属线22的高端的另一个末端电性连接;所述加载电阻3电性连接在所述第一辐射臂和第二辐射臂2短底边开口端处低端的两个末端之间,用于减小所述辐射臂2上的反射电流,以改善天线的电压驻波比特性和辐射波形,展宽天线的工作带宽;所述加载电阻上的电阻通过优化设计获得;所述第一金属线21和第二金属线22分别平行支撑在四个支撑杆41〜44上,张成前后平行的两个开口梯形状的辐射臂。 The trapezoidal radial arm 2 by a parallel trapezoid and symmetrical around the first wire 21, the second wire 22 and a load resistor 3, and is used to improve the current distribution of the radiation arm 2, the broadening of the antenna operating bandwidth , the lower end of the first wire 21 is electrically connected to one end of the lower end of one end of the second wire 22 in the open end of the short base, a first wire 21 at the open end of the short base Another high-end electrically connected to the other end of the end of the second wire 22; and the load resistor 3 is electrically connected to the first radiation arm and the second arm 2 smaller base of radiation at the open end between the two ends of the low-end for reducing reflection on the current 2 radiation arm, to improve the voltage waveform, Bit and radiation in the antenna, widening the operating bandwidth of the antenna; the load resistance of the resistor by optimization design won; the first wire 21 and the second wire 22 is supported on four parallel support rods 41~44 respectively, before and after photos to parallel two openings trapezoidal radiation arm.

[0014] 所述第一辐射臂和第二辐射臂2通过绝缘绳索与支撑立柱51、52、6固定在一起,以张成两个对称的梯形,其中,所述第一辐射臂和第二辐射臂的短底边开口端处的两个支撑杆41、44分别通过绝缘绳索固定在第一立柱6的顶部和底部,长边闭合端处的两个支撑杆分别通过绝缘绳索固定在第二立柱51和第三立柱52的顶部和底部,且所述第二立柱51和第二立柱52分别对称分布在第一立柱6的左右两边。 [0014] The first arm and the second radiation radiating arm 2 via an insulating rope 51,52,6 together with the supporting post to Zhang into two symmetrical trapezoid, wherein the first arm and the second radiation at the bottom edge of the open end of the short arm of radiation by two support rods 41, 44 are fixed to the first insulating rope column 6 of the top and bottom, two long side of the closed end of the support rods are fixed to the second insulating rope the third column 51 and column 52 of the top and bottom, and the second post 51 and second post 52 are symmetrical in the left and right sides of the first column 6.

[0015] 所述第一辐射臂和第二辐射臂2短底边开口端处高端的两个末端引出组成输入端口1,作为所述天线的馈电端,用于信号的输入。 [0015] The first radiation and the second radiation arm short arm 2 at the bottom end of the open ends of the two lead-out-end member input port 1, a feeding terminal of said antenna, for an input signal.

[0016] 所述天线工作时,所述输入端口I外接信号源,外加的激励信号通过输入端口1,作为本发明天线的馈电端,可连接发射机或接收机,用于信号的输入。 When [0016] the antenna, the input port I external source, the excitation signal applied through the input port 1, a feeding terminal of the antenna of the present invention, can be connected to a transmitter or receiver, the input signal is used.

[0017] 本发明还公开了一种小型化宽带V型电阻加载折合阵子天线的制作方法,其包括: [0017] The present invention also discloses a miniaturized broadband V-type resistor load equivalent time around antenna manufacturing method, comprising:

[0018] 制作所述第一辐射臂2,首先制作第一金属线21、和第二金属线22,然后将所述金属线21、22按第一预定间距固定在所述四个支撑杆41、42、43、44上张成短底边呈开口端的梯形,然后将所述第一金属线21和第二金属线22在短底边开口端处的末端彼此电性连接在一起; [0018] Production of the first radiation arm 2, first making the first wire 21, and a second metal line 22, and then the wire 21 is fixed by a first predetermined distance in the four support rods 41 , the sheets 43, 44 into the open end of the smaller base of the trapezoid form, and the ends of the first wire 21 and a second metal line 22 is short at the bottom edge of the open end are electrically connected together;

[0019] 以同样的方式制作所述第二辐射臂; [0019] In the same manner as the production of the second radiating arm;

[0020] 将所述第一辐射臂的短底边开口端处两个支撑杆41、44分别固定在第一立柱6的顶部和底部,将所述第二辐射臂的短底边开口端处的两个支撑杆41和44也分别固定在所述第一立柱6的顶部和底部; [0020] The bottom edge of the short arm of the first open end of the radiation of the two support rods 41 and 44 are fixed to the top and bottom of the first column 6, the bottom open end of said short second radiating arm The two support rods 41 and 44 are respectively fixed to the top and bottom of the first column 6;

[0021] 将第二立柱51按第二预定间距固定在第一立柱6的右侧,将所述第一辐射臂的长边闭合端处的两个支撑杆42和43分别固定在第二立柱51的顶部和底部; [0021] The second column 51 is fixed by a second predetermined distance to the right of the first column 6, the length of the first radiation arm at the side of the closed end of the two support rods 42 and 43 are held in the second column 51 of the top and bottom;

[0022] 将第三立柱52按所述第二预定间距固定在第一立柱6的左侧,并将所述第二辐射臂的长边闭合端处的两个支撑杆42和43分别固定在第三立柱52的顶部和底部。 [0022] The third column 52 is fixed by the second predetermined distance to the left of the first column 6, and the long side of the closed end of the second radiation arm of the two support rods 42 and 43 are fixed in The top and bottom of the third column 52.

[0023] 所述加载电阻由一个或多个电阻组成。 [0023] The one or more load resistance resistor.

[0024] 在图1所示的本发明一实施例中,所述辐射臂2为梯形,所述组成辐射臂2的梯形金属线21、22的间距可在20cm-100cm之间选取,最佳值为20cm,所述梯形的高(即支撑杆44和支撑杆43之间的距离)可在500cm-2000cm之间选取,最佳值为750cm,短底边的长度可在20cm-100cm之间选取,最佳值为50cm,长底边的长度可在300cm-1000cm之间选取,最佳值为400cm。 [0024] In an embodiment of the present invention is shown in FIG. 1 embodiment, the arm 2 is trapezoidal radiation, said radiation consisting of trapezoidal wires 21, 22 of the arm 2 can be selected in the pitch between 20cm-100cm, best is 20cm, the trapezoidal high (ie, the support bar 44 and the distance between the support bar 43) can be selected between the 500cm-2000cm best value 750cm, the smaller base of length in between 20cm-100cm selection, the best value is 50cm, length of the long base in between 300cm-1000cm selection, the best value is 400cm.

[0025] 可选地,所述辐射臂2为直角梯形,其中支撑杆44和支撑杆43之间的金属线与地面平行,且与所述支撑杆42和支撑杆43之间的金属线相互垂直。 [0025] Alternatively, the arm 2 is a right angle trapezoidal radiation, wherein the metal wire and the supporting rod 43 between the support rod 44 and parallel to the ground, and with the support bar 42 and the wire supporting rod 43 between each other vertical.

[0026] 在图1所示的本发明一实施例中,所述辐射臂2通过绝缘绳索与支撑立柱51、52、6固定在一起,以张成两个对称的梯形。 [0026] In one embodiment of the present invention is shown in Figure 1 embodiment, the radiation arm 2 by an insulating rope fixed to the support column 51,52,6 together to Zhang into two symmetrical trapezoid.

[0027] 所述输入端口I的输入阻抗可在200欧姆-600欧姆之间选取,最佳值设计为450欧姆。 Enter the [0027] Port I input impedance can be selected between 200 Ohm -600 Ohm, optimum design value of 450 ohms.

[0028] 所述支撑杆为空心介质管,长度为30cm,内径为15mm,外径为20mm。 [0028] The strut is hollow dielectric tube, length 30cm, inner diameter of 15mm, an outer diameter of 20mm.

[0029] 本发明工作时,所述输入端口I外接信号源,外加的激励信号通过输入端口I传输到辐射臂2上,并通过辐射臂2向周围空间辐射出去,实现雷达测距的功能。 When the operation of the invention, the input [0029] external signal source port I, plus excitation signal through the input port I transferred to the radiation arm 2, and 2 radiate out to the surrounding space by radiation arm, radar ranging capabilities.

[0030] 如图2所示,为根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的电压驻波比曲线图,图中,横坐标代表频率变量,单位为MHz ;纵坐标代表幅度变量。 [0030] 2, a V-type resistance loaded on a miniaturized broadband embodiment of the invention a reduced time around antenna VSWR graph, diagram, the horizontal axis represents the frequency variable unit MHz; ordinate on behalf of the magnitude of the variable. 在该实施例中,小型化宽带V型电阻加载折合阵子天线的工作频带是3-30MHZ,从图2中可以看出,本发明天线的电压驻波比在频带内都小于2.5。 In this embodiment, the compact V-type resistor load equivalent broadband antennas work time around the band is 3-30MHZ, it can be seen from Figure 2, the present invention antenna VSWR less than 2.5 in the frequency band.

[0031] 如图3所示,为根据本发明一实施例的小型化宽带V型电阻加载折合阵子天线的增益曲线图,图中,横坐标代表频率变量,单位为MHz ;纵坐标代表增益,单位为dBi。 [0031] 3, is loaded on the miniaturization of broadband V-type resistance to one embodiment of the present invention a reduced time around antenna gain graph, diagram, the horizontal axis represents the frequency variable unit MHz; ordinate represents the gain, the unit is dBi. 在该实施例中,小型化宽带V型电阻加载折合阵子天线的工作频带是3-30MHZ,从图3中可以看出,本发明天线的增益在通带内最高大于_20dB。 In this embodiment, the compact V-type resistor load equivalent broadband antennas work time around the band is 3-30MHZ, can be seen from Figure 3, the gain of the antenna of the present invention within the passband is greater than the highest _20dB.

[0032] 以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 [0032] The specific embodiments described above, for the purposes, technical solutions and advantages of the present invention has been described in further detail, it should be understood that the above description is only the specific embodiment of the present invention but not to limit the invention within the spirit and principles of the present invention, made any modifications, equivalents, improvements should be included within the scope of the present invention.

Patentzitate
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Nichtpatentzitate
Referenz
1 *易晶珑等: "《论电离层垂测天线》", 《电波科学学报》, vol. 23, no. 2, 30 April 2008 (2008-04-30), pages 325 - 351
Klassifizierungen
Internationale KlassifikationH01Q1/36
Juristische Ereignisse
DatumCodeEreignisBeschreibung
16. Juli 2014C06Publication
13. Aug. 2014C10Entry into substantive examination
29. Juni 2016C14Grant of patent or utility model