Why Would You Use Friiss's Formula

question 8

Multiple Choice

Why would you use Friiss's formula?

• A)To provide the overall noise effect of a multistage system.
• B)To break down any periodic waveform into a series of sine and/or cosine waves at multiples of the fundamental frequency.
• C)To establish that different users can share bands of frequencies provided that each user was assigned exclusive use of a frequency range within that band.
• D)To show how the construction of a square wave can be seen to be made up of a number of sinusoids.

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Definitions:

Drug Addiction

A chronic disease characterized by compulsive, or uncontrollable, drug seeking and use despite harmful consequences and changes in the brain, which can be long-lasting.

Depressants

Psychoactive drugs that slow down mental and physical activity.

Activation-Synthesis Theory

Theory that dreaming occurs when the cerebral cortex synthesizes neural signals generated from activity in the lower part of the brain and that dreams result from the brain’s attempts to find logic in random brain activity that occurs during sleep.

Neural Activity

The electrical and chemical processes that occur within neurons, allowing them to communicate with each other.