NIST radio transmission measurements (IMAGE)

National Institute of Standards and Technology (NIST)

NIST radio transmission measurements

Caption

Wireless transmissions can take many routes to the intended receiver. The colored lines are reconstructions of measured paths of millimeter-wave signals between a transmitter (not visible) and receiver (lower middle) in a NIST industrial control room. Each path is precisely characterized in terms of length and angle to the receiver. These paths are all secondary, meaning reflected or diffracted signals.

Credit

NIST

Usage Restrictions

No restrictions.

License

Public Domain

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