Passive direction-finder antenna array of phase interferometer and phase interferometer
A phase interferometer and direction-finding antenna technology, which is applied in the field of direction-finding systems, can solve the problems of complex structure, complex structure, and bulky size of direction-finding antenna arrays, and achieve the effects of simple structure, high test sensitivity, and improved integrated structure
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[0035] Such as figure 1 As shown, this embodiment discloses a passive direction-finding antenna array of a phase interferometer, which is divided into three layers from outside to inside: the first layer is a circular antenna array, and the circular antenna array is composed of nine dipoles Composed of omnidirectional antenna elements; nine dual-polarized omnidirectional antenna elements are arranged on a circle; each dual-polarized omnidirectional antenna element includes a horizontally polarized oscillator 1 and a vertically polarized oscillator 2, where The horizontally polarized vibrator and the vertically polarized vibrator are arranged adjacent to each other on the circumference. In this embodiment, the horizontally polarized vibrator 1 and the vertically polarized vibrator 2 in each dual-polarized omnidirectional antenna array element are respectively connected to the same polarization selection The two input ends of the output matching board 3 are connected respectivel...
Embodiment 2
[0053] This embodiment discloses a passive direction-finding antenna array for a phase interferometer. The difference between this embodiment and Embodiment 1 is that the dual-polarized omnidirectional antenna elements of the circular antenna array in this embodiment are divided into There are multiple groups, and each group contains more than two dual-polarized omnidirectional antenna elements, and each group of dual-polarized omnidirectional antenna elements is respectively connected to a multi-select one antenna switch, and each group of circular antenna arrays is dual-polarized omnidirectional The signals received by the antenna array elements are switched by multiple-choice antenna switches connected to each group of dual-polarized omnidirectional antenna array elements, and then enter the sampling channels of the phase interferometer receiver respectively. The passive direction-finding antenna array in this embodiment is suitable for a phase interferometer with more than ...
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