A SPLL (software phase-locked loop) is used in this Design Idea to generate a synchronous reference to common-mode powerline interference in two-electrode ECG amplification. Though intended for ECG ...

Anybody interested in building their own robot, sending spacecraft to the moon, or launching inter-continental ballistic missiles should have at least some basic filter options in their toolkit, ...

Anybody interested in building their own robot, sending spacecraft to the moon, or launching inter-continental ballistic missiles should have at least some basic filter options in their toolkit, ...

A data filter is a device, algorithm, or process that removes some unwanted components or features from a data signal. The unwanted component may be random noise (perhaps from mixing turbulence or ...

A moving average is a type of trendline that smoothes out values of adjacent statistical observations and thereby eliminates minor or irregular fluctuations (called "noise"). A moving average is one ...

Moving averages (MA) are one of the most common technical indicators available to traders. This tool comes in many forms: simple, exponential, and weighted. Moving averages make it easier to spot ...

Discover how 5-, 8-, and 13-period simple moving averages can enhance day trading by improving entry/exit points and managing ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...