Method for evaluating parameter of interfering signal and detection apparatus

1. A method comprising:

determining a first slope of an interfering signal;

transmitting a first transmission signal using the first slope;

receiving a first echo signal of the first transmission signal; and

determining a parameter of the interfering signal based on the first echo signal.

2. The method of claim 1 , wherein determining the first slope of the interfering signal comprises:

transmitting a second transmission signal using a second slope different from the first slope;

receiving a second echo signal of the second transmission signal;

determining an interference duration of the interfering signal on the second transmission signal based on the second echo signal;

determining a first candidate slope and a second candidate slope based on the interference duration;

sending a third transmission signal using the first candidate slope;

receiving a third echo signal of the third transmission signal; and

further determining the first slope in the first candidate slope and the second candidate slope based on a feature of the third echo signal.

3. The method of claim 2 , wherein the first transmission signal, the second transmission signal, and the third transmission signal are frequency-modulated continuous waves (FMCWs).

4. The method of claim 1 , wherein determining the parameter of the interfering signal based on the first echo signal comprises:

determining an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

determining a bandwidth of the interfering signal based on the first slope and the interference duration.

5. The method of claim 4 , further comprising adjusting a carrier of a to-be-transmitted signal based on the bandwidth.

6. The method of claim 1 , wherein determining the parameter of the interfering signal based on the first echo signal comprises:

determining a collision periodicity of the interfering signal and the first transmission signal based on the first echo signal; and

determining a first periodicity of the interfering signal based on a second periodicity of the first transmission signal and the collision periodicity.

7. The method of claim 6 , further comprising:

determining an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

adjusting a transmission time of a to-be-transmitted signal based on the first periodicity and the interference duration.

8. A detection apparatus comprising:

a memory configured to store instructions; and

a processor coupled to the memory and configured to execute the instructions to cause the detection apparatus to:

determine a first slope of an interfering signal;

transmit a first transmission signal using the first slope;

receive a first echo signal of the first transmission signal; and

determine a parameter of the interfering signal based on the first echo signal.

9. The detection apparatus of claim 8 , wherein when executed by the processor, the instructions further cause the detection apparatus to:

transmit a second transmission signal using a second slope different from the first slope;

receive a second echo signal of the second transmission signal;

determine an interference duration of the interfering signal on the second transmission signal based on the second echo signal;

determine a first candidate slope and a second candidate slope based on the interference duration;

send a third transmission signal using the first candidate slope;

receive a third echo signal of the third transmission signal; and

further determine the first slope in the first candidate slope and the second candidate slope based on a feature of the third echo signal.

10. The detection apparatus of claim 9 , wherein the first transmission signal, the second transmission signal, and the third transmission signal are frequency-modulated continuous waves (FMCWs).

11. The detection apparatus of claim 8 , wherein when executed by the processor, the instructions further cause the detection apparatus to:

determine an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

determine a bandwidth of the interfering signal based on the first slope and the interference duration.

12. The detection apparatus of claim 11 , wherein when executed by the processor, the instructions further cause the detection apparatus to adjust a carrier of a to-be-transmitted signal based on the bandwidth.

13. The detection apparatus of claim 8 , wherein when executed by the processor, the instructions further cause the detection apparatus to:

determine a collision periodicity of the interfering signal and the first transmission signal based on the first echo signal; and

determine a first periodicity of the interfering signal based on a second periodicity of the first transmission signal and the collision periodicity.

14. The detection apparatus of claim 13 , wherein when executed by the processor, the instructions further cause the detection apparatus to:

determine an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

adjust a transmission time of a to-be-transmitted signal based on the first periodicity and the interference duration.

15. A computer program product comprising computer-executable instructions that are stored on a non-transitory computer-readable medium and that, when executed by a processor, cause a detection apparatus to:

determine a first slope of an interfering signal;

transmit a first transmission signal using the first slope;

receive a first echo signal of the first transmission signal; and

determine a parameter of the interfering signal based on the first echo signal.

16. The computer program product of claim 15 , wherein the computer-executable instructions further cause the detection apparatus to:

transmit a second transmission signal using a second slope different from the first slope;

receive a second echo signal of the second transmission signal;

determine an interference duration of the interfering signal on the second transmission signal based on the second echo signal;

determine a first candidate slope and a second candidate slope based on the interference duration;

send a third transmission signal using the first candidate slope;

receive a third echo signal of the third transmission signal; and

further determine the first slope in the first candidate slope and the second candidate slope based on a feature of the third echo signal.

17. The computer program product of claim 16 , wherein the first transmission signal, the second transmission signal, and the third transmission signal are frequency-modulated continuous waves (FMCWs).

18. The computer program product of claim 15 , wherein the computer-executable instructions further cause the detection apparatus to:

determine an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

determine a bandwidth of the interfering signal based on the first slope and the interference duration.

19. The computer program product of claim 18 , wherein the computer-executable instructions further cause the detection apparatus to adjust a carrier of a to-be-transmitted signal based on the bandwidth.

20. The computer program product of claim 15 , wherein the computer-executable instructions further cause the detection apparatus to:

determine a collision periodicity of the interfering signal and the first transmission signal based on the first echo signal;

determine a first periodicity of the interfering signal based on a second periodicity of the first transmission signal and the collision periodicity;

determine an interference duration of the interfering signal on the first transmission signal based on the first echo signal; and

adjust a transmission time of a to-be-transmitted signal based on the first periodicity and the interference duration.