Communication Technology

1,115 Results

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Research

Jan 1, 1961

Geometric Projections of the Sphere and the Spheroid

Geometric projections have become increasingly important for the purpose of processing geographic (locational) data.
Research

Dec 31, 1960

On a Distributed Command and Control System Configuration

A discussion of the current concept of command and control systems that depend for their effectiveness in a post-attack environment on the survival of a few centralized command posts.
Expert Insights

Dec 22, 1960

The Compression of Finite Discrete Messages

A discussion of the compression problem for codes of finite length. Methods are presented for evaluating codes devised for the transmission of messages of limited duration.
Research

Jan 1, 1958

On the growth of duty cycle in intermittent communication systems.

A review of the mechanism of meteor-burst propagation, and a discussion of the operating principles of typical systems. A model of burst occurrence and duration is constructed. Total burst time and duty cycle are computed, for given intervals of time...
Research

Oct 1, 1957

Wide Band Magnetic Tape Recorder

A 1957 study of wide-band magnetic tape recorders, designed to contribute to the development of a magnetic tape device for recording and reproducing a 600-line television image without appreciable loss, with small space and weight requirements.
Expert Insights

Jun 24, 1957

The History, Purpose and Script of Cogwheel

Discussion of Cogwheel, a 1955 sound film showing a forty-man Air Force crew operating an air-defense direction center in the RAND Systems Research Laboratory. Includes the script for Cogwheel.
Expert Insights

Jan 1, 1957

On weighted PCM and mean square deviation.

A proof that the functional equation technique of dynamic programming can be used advantageously in analyzing weighted pulse-code modulation (WPCM) communication systems. WPCM differs from normal PCM in that the amplitude of the transmitted pulses re...
Expert Insights

Jan 1, 1957

The utility of a communication channel and applications to suboptimal information-handling procedures.

A study of the functional-equation technique of dynamic programming to analyze (1) some extensions of the Kelly-Bellman-Kalaba model of communication and (2) a null-zone reception system. The role of suboptimum systems is emphasized....
Expert Insights

Jan 1, 1957

General Systems Approaches to Telecommunication Optimization.

An application of linear and dynamic programming to solve numerous communication system problems. Treatments for communication system extension problems and for equipment replacement policies are given, and various generalizations are indicated....
Expert Insights

Sep 21, 1955

Cogwheel: A Film Story of Systems Research Laboratory's Activities

A discussion of Cogwheel, a sound film showing a 40-man Air Force crew operating an air-defense direction center in the RAND Systems Research Laboratory.
Research

Jan 1, 1947

Communication and Observation Problems of a Satellite

This report comprises a discussion of problems and requirements of instrumentation for communication between ground stations and a man-made satellite on an orbit above the earth's equator.

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Communication Technology

Communication Technology

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Error

Geometric Projections of the Sphere and the Spheroid

On a Distributed Command and Control System Configuration

The Compression of Finite Discrete Messages

On the growth of duty cycle in intermittent communication systems.

Wide Band Magnetic Tape Recorder

The History, Purpose and Script of Cogwheel

On weighted PCM and mean square deviation.

The utility of a communication channel and applications to suboptimal information-handling procedures.

General Systems Approaches to Telecommunication Optimization.

Cogwheel: A Film Story of Systems Research Laboratory's Activities

Communication and Observation Problems of a Satellite

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Communication Technology

Communication Technology

Related Topics

Undersea Cables Are Vulnerable to Sabotage—but This Takes Skill and Specialist Equipment

Lessons from the War in Ukraine for Space

Explore RAND’s Work on this Topic

Error

Geometric Projections of the Sphere and the Spheroid

On a Distributed Command and Control System Configuration

The Compression of Finite Discrete Messages

On the growth of duty cycle in intermittent communication systems.

Wide Band Magnetic Tape Recorder

The History, Purpose and Script of Cogwheel

On weighted PCM and mean square deviation.

The utility of a communication channel and applications to suboptimal information-handling procedures.

General Systems Approaches to Telecommunication Optimization.

Cogwheel: A Film Story of Systems Research Laboratory's Activities

Communication and Observation Problems of a Satellite

Oops! An unexpected error has occurred.