A received signal processing method, comprising: determining (S110) a range of symbol data in a received signal in a time domain; conducting (S120) signal integrity evaluation on the received signal within the range of the symbol data; and extracting (S130) signal data from the range of the symbol data according to a result of the signal integrity evaluation and conducting a Fast Fourier Transformation, FFT, operation on the signal data, characterized in that conducting (S120) the signal integrity evaluation on the received signal within the range of the symbol data comprises: searching data of first L sampling points of the symbol data a n for a multipath stable time point k, wherein 0 ≤ n ≤ CP_SIZE + FFT_SIZE -1; wherein searching the data of the first L sampling points of the symbol data a n for the multipath stable time point k comprising: constructing a first sequence b i according to the first L sampling points of the symbol data a n , wherein b i = a i -a i + FFT_SIZE , 0 ≤ i ≤ L- 1 , i is a sequence number of a sampling point and i is an integer, wherein a n is an amplitude sampling value of a sampling point of the symbol data in the time domain, CP SIZE is a size of a Cyclic Prefix, CP, FFT_SIZE is a size of FFT, L = u ∗ CP_SIZE, u is a coefficient, and u is greater than or equal to 1; and searching the first sequence b i for the multipath stable time point k meeting a first condition, wherein the first condition comprises: an absolute value of each element in the first sequence b i starting from a sequence number k being less than or equal to a threshold value A, namely, | b j | ≤ A, k ≤ j ≤ L -1 , wherein j is a sequence number of a sampling point and j is an integer. determining (S110) a range of symbol data in a received signal in a time domain; conducting (S120) signal integrity evaluation on the received signal within the range of the symbol data; and extracting (S130) signal data from the range of the symbol data according to a result of the signal integrity evaluation and conducting a Fast Fourier Transformation, FFT, operation on the signal data, characterized in that conducting (S120) the signal integrity evaluation on the received signal within the range of the symbol data comprises: searching data of first L sampling points of the symbol data a n for a multipath stable time point k, wherein 0 ≤ n ≤ CP_SIZE + FFT_SIZE -1; constructing a first sequence b i according to the first L sampling points of the symbol data a n , wherein b i = a i -a i + FFT_SIZE , 0 ≤ i ≤ L- 1 , i is a sequence number of a sampling point and i is an integer, wherein a n is an amplitude sampling value of a sampling point of the symbol data in the time domain, CP SIZE is a size of a Cyclic Prefix, CP, FFT_SIZE is a size of FFT, L = u ∗ CP_SIZE, u is a coefficient, and u is greater than or equal to 1; and searching the first sequence b i for the multipath stable time point k meeting a first condition, wherein the first condition comprises: an absolute value of each element in the first sequence b i starting from a sequence number k being less than or equal to a threshold value A, namely, | b j | ≤ A, k ≤ j ≤ L -1 , wherein j is a sequence number of a sampling point and j is an integer. <EOS>