Engineering
3rd December 2014 | By:

Analogue to Digital Conversion [PART 3 – Aliasing]

Aliasing is a phenomenon that occurs when sampling analogue signals with high frequency components. When sampling at a frequency lower than the Nyquist frequency, signals may be incorrectly detected at a lower frequency, leading to inaccurate results. Careful design and consideration into this matter when it comes to choosing the sampling frequency can overcome this. Continue

Software
2nd December 2014 | By:

TCP and UDP socket types

Before we dive into describing the most used socket types, let’s see what a socket really is. A socket, also referred as network socket[1], is a way of establishing a communication between various computers/devices. It sits on top of the TCP/IP[2] stack and makes use of the available ports[3] (channels). The connecting device is commonly… Continue

Software
2nd December 2014 | By:

Using SOAP with SUDS – an introduction

I’m sure that most of you reading this post have heard/used the XML/SOAP – same as me. However I’d never used the WSDL before, yet last week I needed to work with two, unconnected to each other APIs, using this protocol. So I’ve started researching  WSDL and apparently it is the standard protocol for describing API methods… Continue