Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: First results from the FPGA/NIOS Adaptive FIR Filter Using Linear
  Prediction Implemented in the AERA Radio Stations to Reduce Narrow Band RFI
  for Radio Detection of Cosmic Rays
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg