A method for determining a first virtual frequency change point in time P(t1, t1.n) between a first frequency of a first signal emitted by a first object and having a first phase characteristic and a first further frequency (f1w, fw1.n) of a first further signal (S1w, S1w.n) subsequently emitted by the first object and having a first further phase characteristic, and for determining a second virtual frequency changeover time (t2, t2.n) between a second frequency of a second signal emitted by a second object and having a second phase characteristic and a second further frequency (f2w, f2w.n) of a second further signal (S2w, S2w.n) subsequently emitted by the second object and having a second further phase characteristic, wherein the first further phase characteristic of the first further signal (S1w, S1W.n) has a first phase relationship (phi1, ph1n) to the first phase characteristic of the first signal at the first object at a first changeover time (t u1.n), wherein the first phase relationship (phi1, ph1.n) is predetermined and/or known and/or determined, wherein the second further phase characteristic of the second further signal (S2w, S2w.n) has a second phase relationship (phi2, phi2.n) to the second phase characteristic of the second signal at the second object at a second changeover time (t U2.n), wherein the second phase relationship (phi2, phi2n) is predetermined and/or known and/or determined, wherein the first virtual frequency change time (t1, t1.n) is determined from a phase curve of the first signal received at the second object and a phase curve of the first further signal (S1w, S1w.n) received at the second object as a time at which the phase relationship between interpolated and/or received phase positions of the first signal and the first further signal (S1w, S1w.n) corresponds to the first phase relationship (phi1, ph1.n) at the second object, and wherein the second virtual frequency change time (t2, t2.n) is determined from a phase characteristic, received at the first object, of the second signal received at the first object and a phase characteristic of the further signal (S2w, S2w.n) received at the first object as a time at which, at the first object, the phase relationship between interpolated and/or received phase positions of the second signal and of the second further signal (S2w, S2w.n) corresponds to a second phase relationship (phi2, phi2.n), and wherein the time interval between the first changeover time (t U1.n) and the second virtual frequency changeover time (t2, t2.n) at the first object is predetermined and/or known and/or determined and/or wherein the time interval between the first virtual frequency changeover time (t1, t1.n) and the second changeover time (t U2. n) at the second object is predetermined and/or known and/or determined and wherein in particular the first frequency and the first further frequency (f1w, f1w.n) and the second frequency and the second further frequency (f2w, f2w.n) are each higher than 1 MHz. for determining a second virtual frequency changeover time (t2, t2.n) between a second frequency of a second signal emitted by a second object and having a second phase characteristic and a second further frequency (f2w, f2w.n) of a second further signal (S2w, S2w.n) subsequently emitted by the second object and having a second further phase characteristic, wherein the first further phase characteristic of the first further signal (S1w, S1W.n) has a first phase relationship (phi1, ph1n) to the first phase characteristic of the first signal at the first object at a first changeover time (t u1.n), wherein the first phase relationship (phi1, ph1.n) is predetermined and/or known and/or determined, wherein the second further phase characteristic of the second further signal (S2w, S2w.n) has a second phase relationship (phi2, phi2.n) to the second phase characteristic of the second signal at the second object at a second changeover time (t U2.n), wherein the second phase relationship (phi2, phi2n) is predetermined and/or known and/or determined, wherein the first virtual frequency change time (t1, t1.n) is determined from a phase curve of the first signal received at the second object and a phase curve of the first further signal (S1w, S1w.n) received at the second object as a time at which the phase relationship between interpolated and/or received phase positions of the first signal and the first further signal (S1w, S1w.n) corresponds to the first phase relationship (phi1, ph1.n) at the second object, and wherein the second virtual frequency change time (t2, t2.n) is determined from a phase characteristic, received at the first object, of the second signal received at the first object and a phase characteristic of the further signal (S2w, S2w.n) received at the first object as a time at which, at the first object, the phase relationship between interpolated and/or received phase positions of the second signal and of the second further signal (S2w, S2w.n) corresponds to a second phase relationship (phi2, phi2.n), and wherein the time interval between the first changeover time (t U1.n) and the second virtual frequency changeover time (t2, t2.n) at the first object is predetermined and/or known and/or determined and/or wherein the time interval between the first virtual frequency changeover time (t1, t1.n) and the second changeover time (t U2. n) at the second object is predetermined and/or known and/or determined and wherein in particular the first frequency and the first further frequency (f1w, f1w.n) and the second frequency and the second further frequency (f2w, f2w.n) are each higher than 1 MHz.