Table of Contents
What does the term white noise mean?
b : a constant background noise especially : one that drowns out other sounds. 2 : meaningless or distracting commotion, hubbub, or chatter the white noise of policy and politics in America— Joseph Nocera.
How do I know if my data is white noise?
A time series is white noise if the variables are independent and identically distributed with a mean of zero. This means that all variables have the same variance (sigma^2) and each value has a zero correlation with all other values in the series.
What are examples of white noise?
White noise examples include:
- whirring fan.
- radio or television static.
- hissing radiator.
- humming air conditioner.
What is another term for white noise?
acoustical noise
In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for white noise, like: purl, hiss, hissing, hum, moan, siss, sissing, white sound, broadcasting noise, acoustical noise and electrical noise.
What are some examples of white noise?
Is white noise predictable?
White noise is a series that’s not predictable, as it’s a sequence of random numbers. If you build a model and its residuals (the difference between predicted and actual) values look like white noise, then you know you did everything to make the model as good as possible.
What is the difference between white noise and brown noise?
Similar to the way white light contains all the wavelengths of the visible spectrum at equal intensity, white noise has equal power across all frequencies audible to the human ear. Brown noise lowers the higher frequencies even more.
What’s another word for background noise?
Synonyms for Background noise:
- din,
- grumble,
- flap,
- drone,
- clangor,
- buzz,
- knock,
- hum.
What is an example of white noise?
White noise examples include: whirring fan. radio or television static. hissing radiator.
What does white noise mean?
Freebase(0.00 / 0 votes)Rate this definition: White noise. In signal processing, white noise is a random signal with a flat power spectral density. In other words, a signal that contains equal power within any frequency band with a fixed width.
What is the white noise process?
A white noise process is called strict-sense white noise process if the noise samples at distinct instants of time are independent. A white Gaussian noise process is a strict-sense white noise process.
What is a white noise model?
Testing for white noise using auto-correlation plots. When two variables move up or down in unison (or if one value goes up,the other one goes down),they are said