Double sideband frequency diversity array radar system and its target location method
A technology of frequency diversity array and radar system, which is applied in the field of double-sideband frequency diversity array radar system and its target positioning, and can solve the problems that it is not easy to be used in actual scenes, difficult to realize, and frequency diversity array cannot directly extract target distance and angle information, etc. , to achieve the effects of saving transmission power, improving anti-jamming and anti-interception, and improving
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[0033] The present invention will be further described below in conjunction with accompanying drawing:
[0034] Double sideband frequency diversity array radar systems such as figure 1 As shown, it consists of N array elements arranged linearly at equal intervals, where N is a positive integer. The interval between array elements is d, where d is generally 1 / 2 wavelength of the transmitted signal, and each array element includes a transmitting part and a receiving part.
[0035] The transmitting part includes a modulation signal generator, a double sideband modulator, an amplitude normalization adjustment unit and a transmitting antenna; the output end of the modulation signal generator is connected to the input end of the double sideband modulator, and the modulation signal generator is modulated and the output frequency is different The sinusoidal signal x n (t)=cos(2πnΔft), where n=1,2...,N. The double sideband modulator of each array element is mainly composed of a mult...
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