Identification of rfi (radio frequency interference)

A computer system to identify RPI (Radio Frequency Interference) in a spectrogram, the computer system comprising:

• a computer processor;
• and
• a computer readable storage medium having stored thereon program instructions executable by the computer processor to direct the operation of the processor, wherein the computer processor, when executing the program instructions, performs operations comprising:
• dividing the spectrogram into a plurality of blocks, each block comprising a matrix of data points;
• applying a plurality of matrix pooling functions to each block, the plurality of matrix pooling functions configured to produce a plurality of summarized pools;
• and
• applying a line mask for each of the pools and to create an RPI mask based at least on the line masks, the RPI mask being indicative of RPI.

A computer program product to identify RPI (Radio Frequency Interference) in a spectrogram, the computer program product comprising:

• a non-transitory computer-readable medium having stored thereon:
• first program instructions executable by a computer processor to cause the computer processor to divide the spectrogram into a plurality of blocks, each block comprising a matrix of data points;
• second program instructions executable by the computer processor to cause the computer processor to apply a plurality of matrix pooling functions to each block, the plurality of matrix pooling functions configured to produce a plurality of summarized pools;
• and
• third program instructions executable by the computer processor to cause the computer processor to create a line mask for each of the pools and to create an RPI mask based at least on the line masks, the RPI mask being indicative of RPI.