WO2011120499A1 - Wellenleiterantenne für eine radarantennenanordnung - Google Patents
Wellenleiterantenne für eine radarantennenanordnung Download PDFInfo
- Publication number
- WO2011120499A1 WO2011120499A1 PCT/DE2011/000304 DE2011000304W WO2011120499A1 WO 2011120499 A1 WO2011120499 A1 WO 2011120499A1 DE 2011000304 W DE2011000304 W DE 2011000304W WO 2011120499 A1 WO2011120499 A1 WO 2011120499A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waveguide
- cover
- side walls
- antennas
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/28—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
Definitions
- the invention relates to a waveguide antenna for a radar antenna arrangement, in particular for use in motor vehicles.
- Such antennas are known, for example, from US Pat. No. 5,572,228, which are realized in a mechanically pivoting manner in which they rotate a surface-structured drum in the immediate vicinity of a dielectric waveguide.
- the surface structuring of the drum is carried out by individual metal strips, the distance of which is determined by the rotation of the
- Drum changed in the region of the dielectric waveguide. This causes a rotation angle-dependent power extraction via a so-called leaky wave from the dielectric waveguide.
- the decoupled power is distributed in space in the form of a radiation writable by a directional antenna characteristic.
- the polarization of the radiated wave is oriented parallel to the metal strip present on the drum.
- an alternative waveguide type is used, which is arranged in the vicinity of an interference structure, such as a surface-structured drum.
- the waveguide has spaced metallic surfaces, between which a dielectric medium is arranged.
- the electromagnetic wave is coupled in between the metallic surfaces in the longitudinal direction.
- the metallic surfaces extend in the longitudinal direction, are open to a first transverse direction to the interfering structure and to the opposite side and spaced from each other in a second transverse direction, wherein the second transverse direction is perpendicular to both the first transverse direction and the longitudinal direction of the waveguide.
- Such a waveguide has large ohmic
- CONFIRMATION COPY lighten up An increased number of components leads to an increase in manufacturing costs and causes due to the rotating roller a susceptible application of the antenna. Furthermore, the rotating roller necessitates a reduction of manufacturing tolerances and mechanical loads, so that the production outlay additionally increases and such a waveguide is cost-intensive.
- a susceptibility to interference of a waveguide antenna can be reduced by providing a cover for placement on an upper opening of an interior partially surrounded by a waveguide.
- the interior in which the radar shaft is guided in a first mode, is protected against external influences, in particular against contamination and / or moisture.
- the cover has a thickness as a function of an integral multiple of half the wave length of the radar wave in the medium of the cover, which consists of a free-space wavelength which propagates the radar wave outside the waveguide and allows the relative dielectric constant to be determined.
- a back reflection caused by the cover is reduced in a transverse direction to the radiated second mode and in particular suppressed.
- a waveguide antenna according to claim 4 allows a simple and direct placement of the cover on side walls of the waveguide. Such a cover has an uncomplicated geometry and is therefore particularly inexpensive to produce. It is also possible to stick the cover directly on the waveguide. In this case, no seal is necessary.
- the leadership of the radar wave in the waveguide, in particular a TEIO mode is improved.
- the radar wave fed in the x direction is trapped in the waveguide and radiates no power except through the structural elements.
- the shaping of the radar wave is achieved in the waveguide along the y-direction.
- the shaping in the z-direction of the radar radiated wave is additionally improved.
- the leadership of the radar wave is not affected.
- a design of the cover in a waveguide antenna according to claim 7 is a secure contact of the cover on the waveguide guaranteed.
- unwanted radiation from a waveguide antenna into an adjacent waveguide antenna is reduced.
- An arrangement according to claim 8 enables a plurality of waveguide antennas to be manufactured simultaneously in one manufacturing process. This reduces the manufacturing costs relative to a single waveguide antenna.
- a cover according to claim 9 is inexpensive to produce and also serves an improved connection of the individual waveguide antennas with each other.
- the use of materials according to claims 10 and 11 for the production of the cover makes it possible to reduce a coupling of power to be radiated from a waveguide antenna into an adjacent one.
- a cover placed on sidewalls of a waveguide may act as a waveguide on a portion of the power to be radiated from the TE01 mode. This means that the power of the TEO1 mode to be radiated is coupled via the attached cover into a TE01 mode of a waveguide antenna adjacent in the y direction and converted at its rib structures into the TE10 mode guided in this waveguide. This is called overcoupling.
- the radiated from the TEOl mode in the z-direction power is only slightly attenuated.
- the power coupled into the adjacent waveguide becomes power because of the greater path length of the coupled radar wave in the material much more attenuated.
- An arrangement according to claim 12 allows additional shielding of adjacent waveguide antennas to each other.
- an assembly is further simplified by the cover uncomplicated and plugged directly onto the waveguide and held there non-positively.
- FIG. 1 shows a waveguide antenna with a bottom plate according to a first embodiment
- Fig. 2 is a sectional view in parallel to an x-z plane
- FIG. 3 is a perspective view of a bottom plate according to another embodiment of a waveguide antenna of FIG. 1,
- FIG. 4 is a perspective view corresponding to FIG. 1 of a waveguide antenna according to a further exemplary embodiment
- FIG. 5 is a perspective view of a waveguide antenna according to another embodiment with a aufdin on a bottom plate waveguide in a non-connected state
- 6 shows a sectional representation in a sectional plane parallel to a yz plane along the section line VI-VI in FIG. 5
- FIG. 7 shows a representation of the waveguide antenna corresponding to FIG. 5 in a connected state of waveguide and base plate
- Fig. 8 is a sectional view in parallel to a y-z plane
- FIG. 9 is an enlarged view of a connection of the waveguide to the bottom plate detail IX in FIG. 8,
- FIG. 10 is a schematic representation of several waveguide antennas according to a further exemplary embodiment with a waveguide, a bottom plate and a cover,
- FIG. 11 is a sectional view in a sectional plane parallel to a y-z plane along the section line XI-XI in Fig. 10,
- FIG. 12 is a sectional view corresponding to FIG. 11 of a further exemplary embodiment with a cover placed on a plurality of waveguide antennas
- FIG. 13 is an enlarged detail view according to FIG. 12 for illustrating the connection of the cover to the waveguide antennas and FIG
- FIG. 14 is a sectional view, corresponding to FIG. 11, of a further exemplary embodiment of a waveguide antenna.
- 1 and 2 show a first embodiment of a waveguide antenna 1 for a radar antenna arrangement, which can be used in particular in motor vehicles for a distance determination and / or distance monitoring.
- the waveguide antenna 1 is integrated into the radar antenna arrangement in a manner known per se.
- the waveguide antenna 1 has a metallic waveguide 2, which extends in an x-direction and has a longitudinal axis 3 extending parallel to the x-direction.
- the waveguide 2 limits the propagation of a radar wave of a first mode in the x-direction of an interior space 4.
- the radar wave in the first mode propagates in the interior 4 with a waveguide wavelength ⁇ .
- the waveguide antenna 1 is particularly suitable for guiding the fundamental mode TE10 in the waveguide 2.
- the waveguide 2 has a substantially U-shaped cross-section oriented in a z-direction that is perpendicular to the x-direction and has two symmetrically opposite side walls 5, which are of identical design.
- the side walls 5 have with respect to the vertical z-direction in each case a lower side wall portion 6 and integrally formed thereon upper side wall portion 7 having a greater wall thickness s 2 along a direction perpendicular to both the x-direction and z-direction y-direction has as a wall thickness Si of the lower side wall portion 6.
- the inner space 4 is tapered upward along the z-direction.
- the waveguide 2 with an essentially rectangular outer contour has an opening 8 at an upper end, the TEIO mode of the radar wave propagating along the x-direction in the waveguide 2 can not be excluded from the hollow field. emerge conductor 2 via the opening 8. Thus, no power of the radar wave is radiated through the opening 8.
- the waveguide antenna 1 is formed with the waveguide 2 substantially symmetrically to a symmetry plane S parallel to the x-z plane.
- the waveguide 2 is fixedly connected at one of the opening 8 arranged opposite bottom with a bottom plate 9, for example by gluing or Angalvantician, so that the waveguide 2 is sealed down to the bottom.
- the bottom plate has a rectangular cross section and is adapted in shape to the waveguide 2.
- the waveguide 2 has a plurality of structural elements in the form of ribs 10 arranged in the x-direction and extending into the interior 4.
- the ribs 10 each have a transverse axis 11, which forms an acute angle with the longitudinal axis 3.
- the ribs 10 connect the two opposite side walls 5 and are integrally formed according to the embodiment shown in Figs. 1 and 2 to the side walls 5. It is also possible that the ribs 10 are produced independently of the side walls 5 and then connected to these.
- the ribs 10 serve to selectively uncouple the guided in the waveguide 2 along the x-direction TEIO mode from the waveguide 2 by
- a symmetry plane of the TEIO mode is rotated by 90 °, which means that a transverse direction 12, which is parallel to the z direction, has a symmetrical field distribution of the TEIO mode.
- Mode is converted into an asymmetrical field distribution along the transverse direction 12 of the TEO 1 mode.
- the ribs 10 are asymmetrical with respect to a direction of propagation 13 of the radar wave of the TEIO mode which is parallel to the x-direction, ie arranged obliquely, in that the transverse axis 11 encloses a sharp angle with the longitudinal axis 3.
- the TEO 1 mode is emitted from the waveguide 2 in the xz plane.
- the emission direction of the TEO 1 mode is in an angular range of ⁇ 20 ° around the z axis.
- the radar wave again has the free space wavelength ⁇ 0 .
- the waveguide wavelength ⁇ 2 can be influenced such that it corresponds approximately to the free space wavelength ⁇ 0 .
- the ribs 10 are spaced from the waveguide 2 in the x-direction for the targeted conversion of the first mode, for example the TEIO mode, into a different second mode, for example the TEO1 mode, the radar shaft and for decoupling the second mode arranged to each other.
- the first mode for example the TEIO mode
- a different second mode for example the TEO1 mode
- the radar shaft and for decoupling the second mode arranged to each other.
- at least some adjacent ribs 10 may be arranged in the x-direction with a periodic distance d p to each other.
- adjacent ribs 10 have a non-periodic distance d ap in the x-direction, which differs according to the exemplary embodiment shown by less than 5% of the periodic distance d p .
- the periodic arrangement of the ribs 10 it is achieved that the radiated radar wave in the TEOl-mode in only a few and in particular in one direction only constructively superimposed.
- d p periodic distance which is an integer multiple of the half waveguide wavelength the radar wave in the first mode
- constructive overlays may occur, which counteract against the propagation direction 13 of the radar wave of the TEIO mode.
- the ribs 10 are at least partially along the x-direction with slightly varying distances d ap each other and thus arranged non-periodically.
- the distances d p and d ap are greater than half the free space wavelength ⁇ 0/2.
- the waveguide wavelength can be smaller than the free space wavelength and the distance of the adjacent structural elements in this case must be greater than half a waveguide wavelength ⁇ / 2 of the radar wave of the first mode, ie
- the ribs 10 have a perpendicular to the transverse axis 1 1 oriented rectangular cross section, wherein a structural height H along the transverse axis 1 1 of the ribs 10 is constant.
- FIG. 3 which is connectable to a waveguide antenna with a waveguide, not shown, is the fact that the structural elements are integrated in the bottom plate 9 in the form of grooves 10a.
- Each groove 10a has a rectangular cross section with a constant structural height H along the transverse axis 11a, the transverse axes 11a and the longitudinal axis 3 each enclosing an acute angle ⁇ .
- the grooves 10a are also arranged along the x-direction at periodic intervals d p and non-periodic distances d ap .
- the structural elements are provided in the form of ribs, not shown, on the bottom plate 9a, wherein these ribs protrude into the interior of the waveguide.
- Structurally identical parts are given the same reference numerals as in the first embodiment, to the description of which reference is hereby made.
- Structurally different but functionally similar parts are given the same reference numbers with the following b.
- the structural elements are provided as ribs 10b on the waveguide 2b.
- the ribs 10b are formed with respect to the transverse axis 1 lb as a two-stage rib.
- the ribs 10b are designed in such a two-stage manner that the ribs 10b along the x-direction and with respect to the transverse axis Ib have a maximum structural height Hmax which, starting from the transverse axis 1b, is symmetrically stepped in both directions to a height H compared to the maximum max reduced structural height H 2 decreases.
- the one of the structural heights H 2 and H max formed T-shaped cross section of the rib 10 b has along the transverse axis I Ib also constant height structure H 2 , H max .
- the ribs 10b are integrally formed on the waveguide 2, which is milled, for example, from a metallic block.
- the ribs 10b are arranged inclined with respect to the transverse direction 12, so that the transverse axes Ib and the longitudinal axis 3 of the waveguide 2b form an acute angle. Due to the two-stage design of the ribs 10b, it is possible on the one hand to decouple the radar wave with the second mode from the waveguide 2b of the waveguide antenna 1b and at the same time to suppress the so-called grating praise.
- the ribs 10b are provided on inner sides 14 of the oppositely disposed side walls 5b. Along the x direction, the ribs 10b are arranged offset on the opposite side walls 5b, thereby ensuring the asymmetrical arrangement of the structural elements necessary for the conversion and decoupling of the TEIO mode into the TEO1 mode.
- the cross section of the waveguide 2b and thus the interior 4b are designed substantially hourglass-shaped, in which the side walls 5b each have a directed towards the interior 4b bulge 15th
- Such a configuration of the waveguide 2b with the corresponding inner space 4b serves, on the one hand, for improved guidance of the TEIO mode inserted in the x direction and, on the other hand, adjustment of a defined characteristic of the radiated TEO1 mode, both in its propagation direction and in its azimuthal direction Direction.
- the shaping of the characteristic of the radiated TEOl mode in the azimuthal direction can by shaping the cross section of the waveguide 2b with the interior 4b to be improved.
- the waveguide 2b For the beam shaping of the radar wave in the waveguide 2b in the TEIO mode in the transverse direction 12, the waveguide 2b has a cross-section which enlarges towards the opening 8b. Due to its curved contour, this section of waveguide 2b is referred to as non-linear output taper 16.
- the two side walls 5b are integrally connected to one another via a rear wall 17. It is also possible that at opposite ends of the side walls 5b connected to the rear wall 17, a so-called transition segment adjoins the waveguide 2b. In this case, the side walls 5b are additionally connected by a front wall, not shown, having an opening for feeding in the radar shaft.
- FIGS. 5 to 9 Structurally identical parts are given the same reference numerals as in the first embodiment, to the description of which reference is hereby made. Constructively different, but functionally similar parts receive the same reference numerals with a c.
- the exemplary embodiment shown here differs essentially from the exemplary embodiments described above in that the waveguide 2c can be frictionally and positively connected to the base plate 9c. It is also possible that the waveguide 2c with the bottom plate 9c is either non-positively or positively connected.
- the bottom plate 9c has a bottom plate profile 19 extending away from an upper side 18 of the bottom plate 9c, which with a corresponding waveguide profile 20 for non-positive and / or positive connection of the waveguide 2c with the bottom plate 9c cooperates.
- both the bottom plate profile 19 and the waveguide profile 20 can be seen.
- the bottom plate profile 19 comprises the structural elements in the form of ribs 10c, which are arranged in the x-direction and extend into the internal space 4c and are formed as two-stage ribs symmetrical with respect to their transverse axis 11c.
- the ribs 10c are disposed offset on the opposite sides tencommunn 5c along the x-direction, and as already described above periodically d p and / or non-periodic intervals d ap arranged spaced from each other.
- the waveguide profile 20 is arranged at the lower, the bottom plate 9c facing the ends of the side walls 5c.
- the waveguide profile 20 comprises two mounting rows 21 arranged parallel to the x-direction and at a distance from one another, which have recesses 23 or fastening webs 24 corresponding to the ribs 10c and openings 22 arranged between spaced-apart ribs 10c.
- the waveguide profile 20 is located with an interior 4c facing the inside 25 on a side facing away from the interior 4c outside 26 of the bottom plate profile on.
- the fastening webs 24 of the waveguide profile 20 engage in the openings 22 between adjacent ribs 10c.
- the waveguide 2c is positively connected to the bottom plate 9c in the x-direction.
- the openings 22 are open in the z-direction upwards, so that the waveguide 2c can be used with the fastening webs 24 from above against the z-direction in the openings 22.
- the waveguide antenna lc is made of plastic. By metallizing the plastic, the beam guidance is achieved in the waveguide antennas lc. Because the waveguide antenna 1c is made of plastic, the side walls 5c have an elasticity required for the mounting operation of the waveguide 2c on the bottom plate 9c.
- the elasticity of the side walls 5c is required because a distance y H of the attachment rows 21 on the oppositely disposed side walls 5c is smaller than an extension y B of the bottom plate profile 19 in the y direction. This means that by attaching from above against the z-direction of the waveguide 2c on the bottom plate 9c, the side walls 5c are elastically bent away from each other by the ribs 10c of the bottom plate profile 19 and thus the interior space 4c is widened. As a result of the elastic reaction forces in the side walls 5c, which are respectively directed to the oppositely disposed side wall 5c, the waveguide 2c is frictionally held on the bottom plate 9c, especially in the z-direction.
- the outer sides 26 are at least partially inclined relative to the upper side 18 of the bottom plate 9c and include an acute angle ⁇ .
- an undercut 27 is formed between the outer side 26 of the ribs 10c, into which the side wall 5c can engage with its lower end. This makes it possible that the waveguide 2c can be clipped onto the bottom plate 9c and thus detachably connected to the bottom plate 9c. Since the waveguide antenna 1c, that is, both the waveguide 2c and the bottom plate 9c, are made of plastic, it is possible to manufacture the waveguide 2c and the bottom plate 9c by injection molding.
- one of the two components that is to say waveguides 2c and bottom plate 9c, in particular the bottom plate 9c
- metal die-casting methods such as zinc die-casting.
- at least one of the two components is so elastically deformable that a connection by clipping the components is possible.
- multi-stage demoulding steps for example first a vertical demolding along the z-direction and then an axial demolding along the z-direction x direction, to be demolded.
- an array 28 having three waveguide antennas 1c, with the bottom plate 9c and the Waveguide 2c are formed such that a plurality of waveguide antennas lc are arranged side by side in the y-direction.
- FIGS. 10 and 11 Structurally identical parts are given the same reference numerals as in the first embodiment, to the description of which reference is hereby made. Structurally different, but functionally similar parts receive the same reference numerals with a d followed.
- the exemplary embodiment illustrated in FIGS. 10 and 11 corresponds to an arrangement of a plurality of waveguide antennas 1 d, which are arranged next to one another in the y-direction.
- a plurality of waveguide 2 d are arranged on the bottom plate 9 in the y-direction side by side.
- a cover 29 is placed on the waveguide 2d in each case in an opening 8d of the waveguide 2d.
- the cover 29 must ensure that radiation of the radar wave in the second mode in the transverse direction 12 is possible.
- the thickness D of the cover 29 in the transverse direction 12 depends on a wavelength of the radar wave in the medium m of the cover 29ab resulting from the free space - Let wave length ⁇ 0 determine.
- the cover 29 is made of polytetrafluoroethylene, which is also known under the trade name Teflon, and has SiC as a damping material.
- Teflon polytetrafluoroethylene
- SiC SiC as a damping material.
- the waveguide 2d has an hourglass-shaped cross-section, wherein the side walls 5d each have a curvature 15 directed into the interior 4d.
- the cross section of the waveguide 2d thus changes in the z-direction.
- the cover 29 rests flat against the output taper 16 which widens toward the opening 8d, ie the cover 29 lies at least partially flat against the bulges 15 of the side walls 5d. Overcoupling of the guided in the waveguide 2 d radar wave in the first mode in an adjacent waveguide 2 d is not affected.
- the arrangement 28e has a common, integrally formed Cover 29e, which extends at least partially into the upper openings 8e of the waveguide antennas le.
- the waveguide antennas le are arranged according to the arrangement 28d according to the exemplary embodiment in FIGS. 10 and 11 in the y-direction next to one another and parallel to the x-direction.
- the sidewalls 5e of adjacent waveguide antennas le are formed integrally with each other and include a sidewall cavity 36. It is also possible to connect the side walls 5e in one piece in such a way that no cavity but a common, solid web is formed.
- the side walls 5e have, at an upper end facing the cover 29e, a groove 30 extending along the x-direction.
- the groove 30 has a rectangular cross-section perpendicular to the x-direction and serves to receive at least one catch projection 31 of the cover 29e for the latching connection of the cover 29e with the waveguide antennas le of the arrangement 28e.
- the cover 29e can be placed on the assembly 28e by clipping particularly quickly and easily, so that the waveguide antennas le can be produced particularly quickly, easily and inexpensively.
- the latching projection 31 also extends in the x-direction and may, in particular, have the same length in the x-direction as the groove 30. It is also possible for several latching projections 31 to be arranged one behind the other along the x-direction.
- the latching projection 31 has a centrally arranged deformation slot 32, which is opened downwards towards the side walls 5e. Furthermore, the latching projection 31 has a width y R in the y direction, which in unmounted state of the cover 29e on the assembly 28e is greater than a width b R of the groove 30 in the y direction. Since the cover 29e is made of polytetrafluoroethylene, ie of plastic, it is elastically deformable, so that the cover 29e can be latched in the grooves 30 with the latching projections 31. In this case, the width y R of the latching projection is reduced by the latching projection 31 is compressed in the y-direction. This compression is made possible by the deformation slot 32.
- the widths b R of the groove 30 and y R of the latching projection 31 are identical.
- the groove 30 and the latching projection 31 are designed such that the cover 29e in the arrangement 28e is securely, non-positively and at the same time detachably held again.
- the latching projection 31 has insertion bevels 33 and extension slopes 34 for easier assembly and disassembly of the arrangement 28e.
- the groove 30 serves to prevent the coupling of radar wave guided in a waveguide antenna into an adjacent waveguide antenna.
- Strictly identical parts receive the same reference numerals as in the first embodiment, to the description of which reference is hereby made.
- Structurally different, but functionally similar parts receive the same reference numerals with a following f.
- the waveguide antenna lf also has a cover 29f, which, however, does not protrude into the inner space 4f of the waveguide 2f.
- the cover 29f is thus similar to the bottom plate 9 formed flat with a rectangular cross-section.
- the bottom plate 9 and the cover 29f are respectively at a lower and upper end of the waveguide 2f in the z-direction.
- the attachment of bottom plate 9 and cover 29f on the waveguide 2f can be done for example by gluing or Angalvan expect.
- the cover 29f in the waveguide antenna lf acts as a waveguide for a part of the power to be radiated from the TEO1 mode. This means that power from the TE01 mode to be radiated is coupled via the cover 29f into the TEO1 mode of a waveguide antenna adjacent in the y direction and converted at the rib structures into the TEIO mode guided in the adjacent waveguide.
- a compact structure of a radar system based on the waveguide antenna according to the invention is specified.
- the radar system comprises, in addition to the antenna, a device for processing high-frequency signals, in particular for controlling the antenna or the generation of the signal to be radiated.
- a device for processing low-frequency signals intended.
- the components of a device for processing low-frequency signals are generally spatially greatly expanded. Some components, such as capacitors, are not readily available in a flat design.
- FIG. 12 an example of an antenna arrangement is shown in which there is a space (36) between the antennas.
- components (37) are now arranged in the spaces (36) as shown in FIG.
- components capacitor, circuit boards, etc.
- components are integrated in the bottom plate (9) in order to use the space efficiently.
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Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011100044T DE112011100044A5 (de) | 2010-03-31 | 2011-03-24 | Wellenleiterantenne für eine Radarantennenanordnung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010013588.7 | 2010-03-31 | ||
| DE201010013588 DE102010013588A1 (de) | 2010-03-31 | 2010-03-31 | Wellenleiterantenne für eine Radarantennenanordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011120499A1 true WO2011120499A1 (de) | 2011-10-06 |
Family
ID=44260341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2011/000304 Ceased WO2011120499A1 (de) | 2010-03-31 | 2011-03-24 | Wellenleiterantenne für eine radarantennenanordnung |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE102010013588A1 (de) |
| WO (1) | WO2011120499A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572228A (en) | 1995-02-01 | 1996-11-05 | Physical Optics Corporation | Evanescent coupling antenna and method for the utilization thereof |
| WO2006039896A1 (de) | 2004-10-11 | 2006-04-20 | Adc Automotive Distance Control Systems Gmbh | Radarantennenanordnung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1275649B (de) * | 1963-06-08 | 1968-08-22 | Sumitomo Electric Industries | Seitlich offener Hohlleiter fuer die UEbertragung elektromagnetischer Oberflaechenwellen |
| DE1230468B (de) * | 1963-11-13 | 1966-12-15 | Philips Patentverwaltung | Hohlleiter-Schlitzantenne fuer Mikrowellen mit elektrisch schwenkbarem Richtdiagramm |
| DE102006019688B4 (de) * | 2006-04-27 | 2014-10-23 | Vega Grieshaber Kg | Patchantenne mit Keramikscheibe als Abdeckung |
-
2010
- 2010-03-31 DE DE201010013588 patent/DE102010013588A1/de not_active Withdrawn
-
2011
- 2011-03-24 WO PCT/DE2011/000304 patent/WO2011120499A1/de not_active Ceased
- 2011-03-24 DE DE112011100044T patent/DE112011100044A5/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572228A (en) | 1995-02-01 | 1996-11-05 | Physical Optics Corporation | Evanescent coupling antenna and method for the utilization thereof |
| WO2006039896A1 (de) | 2004-10-11 | 2006-04-20 | Adc Automotive Distance Control Systems Gmbh | Radarantennenanordnung |
Non-Patent Citations (4)
| Title |
|---|
| ALVAREZ-MELCON A ET AL: "Analysis and Design of Periodic Leaky-Wave Antennas for the Millimeter Waveband in Hybrid Waveguide-Planar Technology", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 53, no. 9, 1 September 2005 (2005-09-01), pages 2834 - 2842, XP011138767, ISSN: 0018-926X, DOI: DOI:10.1109/TAP.2005.854562 * |
| IWASAKI T ET AL: "A Novel Composite Right/Left-Handed Rectangular Waveguide with Tilted Corrugations and Its Application to Millimeter-Wave Frequency-Scanning Antenna", IEICE TRANSACTIONS ON COMMUNICATIONS, COMMUNICATIONS SOCIETY, TOKYO, JP, vol. E92B, no. 12, 1 December 2009 (2009-12-01), pages 3843 - 3849, XP001552453, ISSN: 0916-8516, DOI: DOI:10.1587/TRANSCOM.E92.B.3843 * |
| JOHN D. KRAUS, RONALD J MARHEFKA: "Antennas for all applications - 3rd ed.", 2002, MC GRAW HILL, Ney York, ISBN: 0-07-112240-0, XP002651723 * |
| JOHN L. VOLAKIS (EDITOR): "Antenna engineering handbook - 4th ed.", 2007, MC GRAW HILL, New York, ISBN: 0-07-147574-5, XP002651722 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112011100044A5 (de) | 2012-06-06 |
| DE102010013588A1 (de) | 2011-10-06 |
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