1. Bitis, binary timed signals processing library

1.1. Introduction

Bitis is a python module that implements a full set of operators over binary signals represented with BTS format. The BTS format is a computer memory representation of a binary signal that can have a very compact memory footprint when the signal has a low rate of change with respect to its sampling period.

For example, let see a typical case, a time reference signal having about one pulse per second and one microsecond of time resolution. The BTS format allows to completely discard the one million samples per second between each two pulses and allows to keep in memory only the signal change times: for each second, the time of the pulse front edge and the time of the trailing edge.

This is the documentation for version 0.12.3.

Since version 0.9.0, the BTS format has changed. The start and the end times of the signal are no more in the signal changes times sequence. Now, they are attributes of the signal object (Signal.start, Signal.end).`

At present, no effort is made for speed optimization and the employed algorithms are essentially procedural. The only goal is “make it work in some way” and understand what can be a decent set of objects/methods/functions.

BITIS is released under the GNU General Public License.

At present, version 0.12.3, BITIS is in alpha status. Any debugging aid is welcome.

For any question, suggestion, contribution contact the author Fabrizio Pollastri <f.pollastri_a_t_inrim.it>.

1.2. Requirements

To run the code, Python 2.6 or later must already be installed. The latest release is recommended. Python is available from http://www.python.org/.

When the Signal plotting method is used also Matplotlib is required. This also requires all dependencies of Matplotlib, like NumPy, etc.

1.3. Installation

  1. Open a shell.

  2. Get root privileges and install the package. Command:

    pip install bitis

1.4. Code Repository

There is also a code repository at https://github.com/fabriziop/bitis .

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