power density

The power flow rate of an electromagnetic wave at a specific point in a medium, e.g.,

watts per square meter. The power density of a signal degrades over distance from the source due to absorption, diffraction, diffusion, dispersion, and scattering.

• area code
• area code
• area code
• ARIN (American Registry for Internet Numbers)
• arithmetic coding
• arithmetic logic unit (ALU)
• armored cable
• .arpa (address routing and parameter area)
• ARP (Address Resolution Protocol)
• ARPANET (Advanced Research Project Agency NETwork)
• ARPA protocol suite
• ARQ (Automatic Repeat reQuest)
• ARS (Automatic Route Selection)
• artifact
• AS (Autonomous System)
• ASCII (American Standard Code for Information Interchange)
• ASCII (American Standard Code for Information Interchange)
• ASCII (American Standard Code for Information Interchange)
• Ashbacker Radio Corporation vs. the FCC
• Asia Pacific Network Information Center (APNIC)
• ASIC (Application-Specific Integrated Circuit)
• ASK (Amplitude Shift Keying)
• ASP (Application Service Provider)
• aspect ratio
• assured forwarding (AF)