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Encyclopedia > Chip rate

Pseudorandom noise is a signal similar to noise which satisfies one or more of the standard tests for statistical randomness.


Although it seems to lack any definite pattern, pseudorandom noise consists of a deterministic sequence of pulses that will repeat itself after its period.


This sequence is known as a chip and the inverse of its period as chip rate.


In cryptographic devices, pseudo-random noise is mixed with entropy to increase randomness.


Pseudorandom noise is used in some electronic musical instruments, either by itself or as an input to subtractive synthesis.


In spread-spectrum systems, modulated carrier transmissions appear as noise to any receiver that is:

  1. not locked on the transmitter frequencies; or
  2. incapable of correlating a locally generated pseudorandom sequence with the received signal.


A pseudonoise code is one that has a spectrum similar to a random sequence of bits but is deterministically generated.


See also: Pseudorandom number sequence, Pseudorandom number generator, n-sequence, Federal Standard 1037C, MIL-STD-188






  Results from FactBites:
 
ChannelWeb Encyclopedia (1950 words)
Although chips may be formed from semiconducting materials other than silicon, this material is used in the vast majority of chips, and "silicon chip" has become a pervasive term with the general public.
In 1947, the semiconductor industry was born at ATandT's Bell Labs with the invention of the transistor by John Bardeen, Walter Brattain and William Shockley.
This machine bonds the chips to the metal structure that will be connected to the pins of the chip housing and carry the signals to and from the circuit board.
FP Postalia scale rate chip order form (123 words)
The time has come once again where you must take action to prepare for the USPS rate change effective January 8, 2006.
You will need to order your new rate card or chip to reflect these rates as soon as possible so that you will be ready on time.
rates for the new card or chip based on the model number.
  More results at FactBites »


 
 

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