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Neural Networks
Neural Networks

... can do everything a normal digital computer can do. Almost any mapping between vector spaces can be approximated to arbitrary precision by feedforward NNs In practice, NNs are especially useful for classification and function approximation problems usually when rules such as those that might be used ...
Project Title: Wireless Multimedia Mesh Networks
Project Title: Wireless Multimedia Mesh Networks

... transmission. Adaptive optimized routing algorithm is needed to change the routing path from time to time to provide seamless and smooth transmission for some application. QoS optimization: Since various digital media applications are co-existence in the network and each of them requires different t ...
The History of Radio and Television (Part 1)
The History of Radio and Television (Part 1)

... • In the United States, government may fund electronic-media experiments, but it’s up to business to apply the results. • The key to telecommunications is that electromagnetic energy can be transmitted between two points. • The early stage of media development is a process to which many people contr ...
Appendix_16_NIMS_ResourceTypingACS
Appendix_16_NIMS_ResourceTypingACS

... Available for short durat operations (not less than full 12-hour operational period, and not to excee four 12-hour operationa periods in rotating shifts Team management only ...
MarCom® IPINTEGRATED COMMUNICATION SYSTEM
MarCom® IPINTEGRATED COMMUNICATION SYSTEM

... L-3 builds its communication systems using flexible integration products and appropriate commercial network equipment. Most important is a robust set of tactical feature software and interfacing hardware capable of creating an interoperable environment using military and commercial systems; ISDN, PO ...
DCN MPCC System Design Technology
DCN MPCC System Design Technology

... ...
Wireless1
Wireless1

... Unfortunately, Interference problems caused by mobile units using the same channel in adjacent areas proved that all channels could not be reused in every cell. Areas had to be skipped before the same channel could be reused. Even though this affected the efficiency of the original concept, frequenc ...
Thales Wideband Networking Radio (WNR)
Thales Wideband Networking Radio (WNR)

... The Thales WNR, powered by the TrellisWare TopX-II waveform, is a handheld, portable, networked communications unit. It is designed to provide robust voice and data communication in the most challenging RF environments. This unique tactical Mobile Ad-Hoc Networking (MANET) product enables rapid dep ...
mTMRTM - Elbit Systems
mTMRTM - Elbit Systems

... gateway with standard SIP (RFC 3261) protocol for interoperability with common VoIP terminals and SIP phones. mTMRTM enables voice tunneling between tactical radios, LAN/WAN interfaces and a local hand-set. mTMR’s DSP provides voice activity detection and silence suppression, along with advanced voc ...
HF Digital Modes
HF Digital Modes

... in some cases even CW), through the use of reduced bandwidth ◦ PSK31 uses100 hertz channels with 30 hertz signals ◦ Tens of QSOs in a 3Khz bandwidth versus one voice ◦ Improved signal-to-noise performance (Reception below noise level) ◦ Reduced transmitter power requirement (Typically use 5 to 30 wa ...
Radio Merit Badge Req 8
Radio Merit Badge Req 8

... 8. Find out about three career opportunities in radio. Pick one and find out the education, training and experience required for this profession. Discuss this with your counselor, and explain why this profession might interest you. The US Department of Labor’s Bureau of Labor Statistics (BLS) has an ...
Radio Network Management System Plan. Deploy
Radio Network Management System Plan. Deploy

... flawless voice and data communication in any tactical environment. The system incorporates a wide range of existing resources and parameters into its analysis such as available network frequencies, radio types, platforms, antennas, maps, encryption keys, output power and other factors. Additionally, ...
Wireless and going mobile
Wireless and going mobile

... going mobile ...
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Project 25

Project 25 (P25 or APCO-25) is a suite of standards for digital radio communications for use by federal, state/province and local public safety agencies in North America to enable them to communicate with other agencies and mutual aid response teams in emergencies. In this regard, P25 fills the same role as the European Terrestrial Trunked Radio (TETRA) protocol, but the two are not interoperable. The major difference between the two is P-25 is expected to work jointly with existing analog systems. Therefore, it uses ""simulcast"" method for control. ""Simulcast"" refers to the use of the same set of control channels throughout a given area, which are ""simultaneously broadcast, or simulcast"" in the region. In contrast, TETRA uses ""Multicast,"" which means the control channel is embedded, therefore there is no need to use a separate channel to broadcast control signals. TETRA provides 4 slots per channel, which means four voice calls can be handled on one channel. This is similar to the GSM cellular system, which allows eight slots or eight users per channel.
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