A protocol analyzer or packet analyzer is a hardware or software tool used to intercept digital communications occurring over a portion of a network. Examples of packet analyzers (hardware and software) products are: Wireshark (Ethereal) tcpdump Netscout snoop
The spectrum analyzer is used to do distortion analysis to the signal. Due to the fact that we don't have a pure generated signal. In reality, there must be some distortion. The distortion analysis is important in the communication field as well as in electronics.
Lexical analyzer generators translate regular expressions (the lexical analyzer definition) into finite automata (the lexical analyzer). For example, a lexical analyzer definition may specify a number of regular expressions describing different lexical forms (integer, string, identifier, comment, etc.). The lexical analyzer generator would then translate that definition into a program module that can use the deterministic finite automata to analyze text and split it into lexemes (tokens).
NetFlow Analyzer is a complete traffic analytics tool. NetFlow Analyzer leverages flow technologies to provide real time visibility into the network bandwidth performance.
electrical transient analyzer program