please send me a report of securing underwater wireless communication networks ....etc

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please send me a ppt on underwater wireless communication to my mail id [email protected]

please send me a ppt on underwater wireless communication to my mail id [email protected]


....etc

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i need to know about underwater freespace optical communication,the transmitters and the receivers used.. ....etc

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is it possible under water transmission system using zigbee?....plz send ful document about this topic. ....etc

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plz send me the ckt diagram of this project ....etc

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INTRODUCTION
The ocean covers some 70% of our planet and is a rich fund of information on global health, climate change, and resource degradation. Studying marine ecosystems, ensuring port security, and monitoring oil pipelines and leaks of hazardous materials in transit are some of the specific reasons for profiling the concentration and distribution of substances in the ocean.
Considerable research has been conducted to develop and assess methods of sensing the ocean on spatial and temporal scales ranging fr ....etc

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Underwater Communication




Introduction

Underwater communication is a technique of sending and receiving message below water


Why is Underwater Communication Important

Naval defence (submarines)
Ocean exploration
Understanding natural disasters (tsunami)


Traditional approach for ocean-bottom monitoring


Real time monitoring is not possible.
No interaction b/w onshore control systems and the monitoring instruments.
fai ....etc

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Wireline Quality Underwater Wireless Communication
Using High Speed Acoustic Modems

Abstract--The paper introduces LinkQuest Inc.'s cutting-edge
high speed underwater acoustic modems. LinkQuest Inc.
combined recent advances in high speed digital communication
with broadband underwater acoustics in the development of the
high speed modems. Advanced Broadband Spread Spectrum
Technology results in dramatically increased data rate and
robustness and decrease in power consumption. The modems are
proven to perform at high dat ....etc

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high speed underwater acoustic modems is shown in this paper. high speed digital communication and broadband underwater acoustics technologies have been combined to achieve this . increased data rate and decreased power consumption is achieved by Broadband Spread Spectrum Technology. The underwater communication has to deal with noises such as offshore drilling noise, ambient noise, ship noise etc. no communication errors has been seen to appear with these noises.
Broadband Spread Spectrum Technology us implemented ....etc

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Hi I am Priya.I would like to get the details of the ppt on underwater communication using zigee technology. ....etc

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