Median of N Pings

This operator calculates the median of a specified number of pings.

The number of input pings will range from three up to the specified window size.

The window includes pings up to and including the current ping.

Echoview accepts a single operand of the following data types as input:

  • Multibeam magnitude
  • Multibeam Sv
  • Multibeam TS
  • Multibeam unspecified dB


The Median of N Pings Variable Properties dialog box pages include (common) Variable Properties pages and these operator pages:

Operands page

Median of N Pings page



 Window size

The Window size setting determines the number (n) of pings over which the median value of samples is calculated. For example if you select 10, then the data on ping i will be the median of pings i-9 to ping i in the operand.

See also

About virtual variables
Operator licensing in Echoview