HF Radio Communication System Design Assessment. Technical Task Report 3.2b. Available and Applicable Existing and Developing Equipments for Interim Use PDF Download
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Author: John E. Ambrose Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
HF equipment and system design have been largely ignored by the US Army during the past ten years. This was in anticipation of achieving sufficient and effective communication via use of other frequencies and media. It is now apparent that hf is a more viable and useful tool than previously thought and deserves a role in the US Army's communications system. The problem of now reinstituting hf an in integral part of US Army communications is approach in this CORADCOM study as follows: (1) Determine the usefulness of present assets. (2) Determine what are the available and applicable existing equipments that may be used to augment or replace existing assets in the near term (1980 - 1985). These equipments having been largely developed by industry for other military and commercial users. (3) Define technologies and developing equipments that meet US Army post 1985 requirements in coping with 'real life' environment. (4) Investigate specific areas for exploratory research and development for future application. Efforts under this task are directed toward (2) above in which the final result is to identify equipments/systems for interim use (1980 - 1985).
Author: John E. Ambrose Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
HF equipment and system design have been largely ignored by the US Army during the past ten years. This was in anticipation of achieving sufficient and effective communication via use of other frequencies and media. It is now apparent that hf is a more viable and useful tool than previously thought and deserves a role in the US Army's communications system. The problem of now reinstituting hf an in integral part of US Army communications is approach in this CORADCOM study as follows: (1) Determine the usefulness of present assets. (2) Determine what are the available and applicable existing equipments that may be used to augment or replace existing assets in the near term (1980 - 1985). These equipments having been largely developed by industry for other military and commercial users. (3) Define technologies and developing equipments that meet US Army post 1985 requirements in coping with 'real life' environment. (4) Investigate specific areas for exploratory research and development for future application. Efforts under this task are directed toward (2) above in which the final result is to identify equipments/systems for interim use (1980 - 1985).
Author: Calvin H. Cerva Publisher: ISBN: Category : Languages : en Pages : 206
Book Description
HF equipment and system design have been largely ignored by the U.S. Army during the past ten years. This was in anticipation of achieving sufficient and effective communication via use of other frequencies and media. It is now apparent that HF is a more viable and useful tool than previously thought and deserves a role in the U.S. Army's communications system. The problem of now re-instituting HF as an integral part of U.S. Army communications is approached in this CORADCOM study as follows: a. Determine the usefulness of present assets. b. Determine what are the available and applicable existing equipments that may be used to augment or replace existing assets in the near-term (1980 - 1985). These equipments having been largely developed by industry for other military and commercial users. c. Define technologies and developing equipments that meet U.S. Army post 1985 requirements in coping with 'real life' environment. d. Investigate specific areas for exploratory research and development for future application. Efforts under this task are directed toward (a) above in which the final results determine the usefulness of present operational HF equipments.
Author: Steve Dougherty Publisher: ISBN: Category : Languages : en Pages : 107
Book Description
Although under perfect non-fading propagation conditions narrow-band FM may be the best modulation technique, HG is not an ideal medium and single sideband, which is only a few dB worse under ideal conditions, continued to be the modulation technique that offers the best performance in the least bandwidth. In addition, for reasons of interoperability with existing and other nation's equipment, radios procured through the early 1990's would have to have single sideband. Moderate amounts of amplitude clipping can offer significant improvements in perceived voice quality. Even stronger clipping or logarithmic amplitude compression combined with an amplitude indicating pilot tone can offer greatly enhanced voice performance under good conditions at the cost of poorer performance under marginal conditions. The continued use a analog voice at HF is suspect because of the requirement for security. Therefore, major investments of research and development funds and time in analog processing of voice for HF transmission can not be encouraged. A single-tone modem with waveforms designed in concert with the radio filters and using an adaptive filter to compensate for the HF path offers the highest efficiency potential for digital voice.
Author: Department of the Navy Publisher: Vigeo Press ISBN: 9781948648394 Category : Languages : en Pages : 84
Book Description
The manual describes the general strategy for the U.S. Marines but it is beneficial for not only every Marine to read but concepts on leadership can be gathered to lead a business to a family. If you want to see what make Marines so effective this book is a good place to start.
Author: Octavian Lascu Publisher: IBM Redbooks ISBN: 0738458120 Category : Computers Languages : en Pages : 554
Book Description
This IBM® Redbooks® publication describes the features and functions the latest member of the IBM Z® platform, the IBM z15TM (machine type 8561). It includes information about the IBM z15 processor design, I/O innovations, security features, and supported operating systems. The z15 is a state-of-the-art data and transaction system that delivers advanced capabilities, which are vital to any digital transformation. The z15 is designed for enhanced modularity, which is in an industry standard footprint. This system excels at the following tasks: Making use of multicloud integration services Securing data with pervasive encryption Accelerating digital transformation with agile service delivery Transforming a transactional platform into a data powerhouse Getting more out of the platform with IT Operational Analytics Accelerating digital transformation with agile service delivery Revolutionizing business processes Blending open source and Z technologies This book explains how this system uses new innovations and traditional Z strengths to satisfy growing demand for cloud, analytics, and open source technologies. With the z15 as the base, applications can run in a trusted, reliable, and secure environment that improves operations and lessens business risk.
Author: AIA Academy of Architecture for Health Publisher: ISBN: Category : Medical Languages : en Pages : 210
Book Description
Reflecting the most current thinking about infection control and the environment of care, this new edition also explores functional, space, and equipment requirements for acute care and psychiatric hospitals; nursing, outpatient, and rehabilitation facilities; mobile health care units; and facilities for hospice care, adult day care, and assisted living. [Editor, p. 4 cov.]
Author: World Health Organization Publisher: ISBN: 9789241545624 Category : Adolescence Languages : en Pages : 56
Book Description
This report is part of WHO's response to the 49th World Health Assembly held in 1996 which adopted a resolution declaring violence a major and growing public health problem across the world. It is aimed largely at researchers and practitioners including health care workers, social workers, educators and law enforcement officials.
Author: John E. Ambrose
Author: John E. Ambrose
Author: Calvin H. Cerva
Author: Steven Dougherty
Author: Steve Dougherty
Author: International Maritime Organization
Author: Department of the Navy
Author: Octavian Lascu
Author: AIA Academy of Architecture for Health
Author: Argonne National Laboratory. Physics Division
Author: World Health Organization