Microstrip antenna with harmonic suppression function
A microstrip antenna and harmonic suppression technology, applied in the field of antennas, can solve the problem that the microstrip antenna cannot effectively suppress the second and third harmonics, achieve high radiation efficiency and improve radiation efficiency
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[0024] Example: see figure 1 , a microstrip antenna with harmonic suppression function, including a dielectric substrate and an antenna unit. The antenna unit includes an antenna patch 1 and a microstrip feeder 2. The antenna patch 1 has a rectangular structure and is pasted and fixed on a dielectric substrate. The microstrip feeder 2 is connected to the middle part of one side of the antenna patch 1, and a groove-shaped notch 5 is provided at the positions corresponding to both sides of the microstrip feeder 2 at the connection point between the antenna patch 1 and the microstrip feeder 2; This enables better matching in the working frequency band. In order to improve the stability of the microstrip antenna, the antenna patch 1 and the microstrip feeder 2 are integrally formed.
[0025] On the microstrip feeder 2, there are two U-shaped holes distributed along its length direction: the first U-shaped hole 3 and the second U-shaped hole 4, wherein the length of the first U-s...
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