Patent ID: 11890096
Assignee: CIVIL AVIATION UNIVERSITY OF CHINA
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The method according to claim 1, wherein in step 2), the setting ten groups of the frequency combinations applied to the N 8-shaped digital frames, comprising:
a first group of the frequency combinations comprising a first frequency, a second frequency, a third frequency, a fourth frequency, and a fifth frequency in an order from low to high;
a second group of the frequency combinations comprising a sixth frequency, a seventh frequency, an eighth frequency, and a ninth frequency in an order from low to high;
a third group of the frequency combinations comprising a tenth frequency, an eleventh frequency, a twelfth frequency, and a thirteenth frequency in an order from low to high;
a fourth group of the frequency combinations comprising a fourteenth frequency, a fifteenth frequency, a sixteenth frequency, and a seventeenth frequency in an order from low to high;
a fifth group of the frequency combinations comprising an eighteenth frequency, a nineteenth frequency, and a twentieth frequency in an order from low to high;
a sixth group of the frequency combinations comprising a twenty-first frequency, a twenty-second frequency, and a twenty-third frequency in an order from low to high;
a seventh group of the frequency combinations comprising a twenty-fourth frequency, a twenty-fifth frequency, and a twenty-sixth frequency in an order from low to high;
an eighth group of the frequency combinations comprising a twenty-seventh frequency and a twenty-eighth frequency in an order from low to high;
a ninth group of the frequency combinations comprising a twenty-ninth frequency and a thirtieth frequency in an order from low to high; and
a tenth group of the frequency combinations comprising a thirty-first frequency and a thirty-second frequency in an order from low to high.