You Are Designing a 4

question 51

Multiple Choice

You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna using elliptical waveguide from the antenna to the outside wall of the shelter. The antenna has been designed to be placed 200 ft up on a 250 ft tower. What device will you specify that will best interconnect the two different waveguides?

• A) Elliptical wave guide pass through
• B) Elliptical wave guide clamp
• C) Elliptical waveguide connector
• D) Elliptical waveguide flange

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Definitions:

Endorphins

“Morphine within”—natural, opiatelike neurotransmitters linked to pain control and to pleasure.

Axon

A long, slender projection of a nerve cell that conducts electrical impulses away from the neuron's cell body.

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for transmitting information through electrical and chemical signals.

Leg Muscle

A group of muscles in the lower limb that are primarily responsible for movement and support of the ankle, foot, and knee.