| 摘要 |
An apparatus and method for acquiring data from a mass spectrometer and transmitting the data to a computer system 7 is described. The apparatus includes a data acquisition engine 9, a network interface 11 and a throughput optimization module 10 which includes a ring buffer 13 and a protocol stack 14. A compression engine 12 may be provided between the acquisition engine and the ring buffer, and this may contain multiple stages of compression. The ring buffer is configured as a number of segments containing portions of memory which receive data from the acquisition engine. When a segment is full of data , or is partially full and has received data containing an end of scan marker, the number of words in the segment is written into a header word in the segment and the data in that segment are moved to the protocol stack. Subsequent data is received by the next segment in the buffer. This improves the throughput in a mass spectrometer data acquisition system and therefore copes with the higher data per scan of the most recent ion mobility spectrometers (IMS). |
