Patent ID: 9547064
Date: 2017-01-17
CPC Classifications: G01R

Claim:
1. A method for the control of a magnetic resonance system, the magnetic resonance system comprising a transmitter antenna arrangement having a plurality of independent high-frequency transmitter channels, and a local coil arrangement arranged in the magnetic resonance system, the method comprising: transmitting, with the transmitter antenna arrangement, a test high-frequency pulse with a plurality of parallel individual high-frequency pulses before a magnetic resonance measurement in a test phase, over the plurality of independent high-frequency transmitter channels, the test high-frequency pulse, with lower transmitter power of −60 to 20 dBm, generating essentially the same field distribution as an excitation high-frequency pulse to be transmitted during a subsequent magnetic resonance measurement; measuring a high-frequency field created by the test high-frequency pulse in at least one area of the local coil arrangement; determining a high-frequency field value that is to be anticipated during the subsequent magnetic resonance measurement at the local coil arrangement on the basis of the high-frequency field measured, and determining a temperature value to be anticipated by the high-frequency field at, in, or at and in the local coil arrangement; and controlling the magnetic resonance system during a later magnetic resonance measurement, the controlling comprising taking account of the high-frequency field value.