Antenna device
An antenna device and antenna technology, applied in antennas, antenna arrays, leaky waveguide antennas, etc., can solve problems such as difficulty in preventing leakage and inability to obtain wall current offset effects
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[0047] figure 1 It is a front view showing the configuration of an antenna device (radar antenna 1 ) according to an embodiment of the present invention installed in a vehicle-mounted radar device.
[0048] In this embodiment, an arrangement configuration of an antenna device (radar antenna 1 ) provided in a radar device that performs DBF is shown.
[0049] figure 2 It is the structure (three-dimensional structure) of the antenna device according to the embodiment of the present invention installed in the vehicle-mounted radar device, and (A) is figure 1 The front view of the range 3000 of the part enclosed by the dotted line shown in , (B) is a transverse cross-sectional view along the transverse cutting line I-I in the front view, (C) is a longitudinal cross-section perpendicular to the transverse direction in the front view The longitudinal sectional view of the line II-II, (D) is a rear view of the metal frame 22 viewed in the height direction III direction in the tra...
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