Claims (10)
一種雷達之雙脈衝重複頻率訊號處理方法，其步驟包括：產生一第一發射訊號與一第二發射訊號，並進行一發射程序；將一目標物反射之一第一回波訊號與一第二回波訊號，以及該第一發射訊號與該第二發射訊號進行FFT轉換程序，獲得一頻域資訊；及濾除該頻域資訊中的雜訊，並透過一演算法，進行演算程序，以獲得該目標物之都卜勒位移。A dual pulse repetition frequency signal processing method for radar includes the steps of: generating a first transmission signal and a second transmission signal, and performing a transmitting procedure; reflecting a target with a first echo signal and a second The echo signal, and the FFT conversion process of the first transmit signal and the second transmit signal, obtain a frequency domain information; and filter out the noise in the frequency domain information, and perform an algorithm through an algorithm to Obtain the Doppler shift of the target.
如申請專利範圍第1項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該演算法，係為一不等式，N*f1
-M*f2
-(P2
*△f2
-P1
*△f1
) → δ。The method for processing a dual pulse repetition frequency signal of a radar according to claim 1, wherein the algorithm is an inequality, N*f1
-M*f2
-(P2
*△f2
-P1
*△f1
) → δ.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之f1
，其係該第一發射訊號之脈衝重複頻率。The method for processing a double pulse repetition frequency signal of a radar according to claim 2, wherein the f1 in the inequality
, which is the pulse repetition frequency of the first transmitted signal.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之f2
，其係該第二發射訊號之脈衝重複頻率。A method for processing a dual pulse repetition frequency signal of a radar according to claim 2, wherein f2 in the inequality
, which is the pulse repetition frequency of the second transmitted signal.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之P1
，其係該第一回波訊號之重複頻率位在FFT取樣點數的落點數值。A method for processing a dual pulse repetition frequency signal of a radar according to claim 2, wherein P1 in the inequality
It is the falling point value of the repetition frequency of the first echo signal at the number of FFT sampling points.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號
處理方法，其中該不等式中之P2
，其係該第二回波訊號之重複頻率位在FFT取樣點數的落點數值。The double pulse repetition frequency signal of the radar as described in claim 2
Processing method, wherein P2 in the inequality
, which is the falling point value of the repetition frequency of the second echo signal at the number of FFT sampling points.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之N和M，其係正整數。The dual pulse repetition frequency signal processing method of the radar according to claim 2, wherein N and M in the inequality are positive integers.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之△f1
與△f2
，其分別為該第一發射訊號與一第二發射訊號FFT程序中之取樣間隔。A method for processing a dual pulse repetition frequency signal of a radar according to claim 2, wherein Δf1 in the inequality
With △f2
, which are sampling intervals in the first transmit signal and a second transmit signal FFT program, respectively.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該不等式中之δ，其係為0。The method for processing a double pulse repetition frequency signal of a radar according to claim 2, wherein δ of the inequality is 0.
如申請專利範圍第2項所述之雷達之雙脈衝重複頻率訊號處理方法，其中該都卜勒位移(fd
)，係在獲得N和M數值後，依據都卜勒位移(fd
)與f1
、f2
、P1
、P2
、△f1
及△f2
之間的關係，以fd
=N*f1
+(P1
*△f1
)=M*f2
+(P2
*△f2
)運算所獲得。The dual pulse repetition frequency signal processing method of the radar according to claim 2, wherein the Doppler shift (fd)
), after obtaining the N and M values, based on the Doppler shift (fd)
) with f1
, f2
, P1
, P2
△f1
And △f2
Relationship between fd
=N*f1
+(P1
*△f1
)=M*f2
+(P2
*△f2
) The operation is obtained.