A method for performing radar measurements, the method comprising: performing first, second, third and fourth radar measurements, each radar measurement comprising: generating a respective radar pulse, transmitting the respective radar pulse towards a radar target, generating a respective reference pulse, receiving a signal comprising a reflection of the respective radar pulse from the radar target, as a respective received signal, mixing the respective received signal with the respective reference pulse to obtain a respective mixing product, and integrating the respective mixing product to obtain a respective integrated mixing product; wherein, in the first, second, third and fourth radar measurements, generating the respective reference pulse is delayed with respect to generating the respective radar pulse by a first, second, third and fourth delay time, respectively, wherein a difference between the second and first delay time, between the third and second delay time, and between the fourth and third delay time, each corresponds to a quarter of a wavelength of the radar pulses; and the method further comprising determining a first value representing a difference between the respective integrated mixing product of the first and third radar measurements, and a second value representing a difference between the respective integrated mixing product of the second and fourth radar measurements, wherein the first value is an estimate of an in-phase component I and the second value is an estimate of a quadrature component Q. performing first, second, third and fourth radar measurements, each radar measurement comprising: generating a respective radar pulse, transmitting the respective radar pulse towards a radar target, generating a respective reference pulse, receiving a signal comprising a reflection of the respective radar pulse from the radar target, as a respective received signal, mixing the respective received signal with the respective reference pulse to obtain a respective mixing product, and integrating the respective mixing product to obtain a respective integrated mixing product; generating a respective radar pulse, transmitting the respective radar pulse towards a radar target, generating a respective reference pulse, receiving a signal comprising a reflection of the respective radar pulse from the radar target, as a respective received signal, mixing the respective received signal with the respective reference pulse to obtain a respective mixing product, and integrating the respective mixing product to obtain a respective integrated mixing product; wherein, in the first, second, third and fourth radar measurements, generating the respective reference pulse is delayed with respect to generating the respective radar pulse by a first, second, third and fourth delay time, respectively, wherein a difference between the second and first delay time, between the third and second delay time, and between the fourth and third delay time, each corresponds to a quarter of a wavelength of the radar pulses; and the method further comprising determining a first value representing a difference between the respective integrated mixing product of the first and third radar measurements, and a second value representing a difference between the respective integrated mixing product of the second and fourth radar measurements, wherein the first value is an estimate of an in-phase component I and the second value is an estimate of a quadrature component Q.