The transmission characteristics for various dispersion management schemes for a novel 40Gb/s FSK transmitter

2008 ◽  
Author(s):  
Yaoxiong Liang ◽  
Bo Huang ◽  
Xue Wang ◽  
Hongxing Liu ◽  
Liang Wang ◽  
...  
Keyword(s):  
Dispersion Management ◽  
Transmission Characteristics ◽  
Management Schemes

Optimal dispersion management schemes for WDM soliton systems

1997 ◽  
Vol 33 (6) ◽  
pp. 459 ◽  
Author(s):  
S. Kumar ◽  
Y. Kodama ◽  
A. Hasegawa
Keyword(s):  
Dispersion Management ◽  
Management Schemes

The Numerical Simulation and Experiment of Pulse Transmission in Fiber Lasers Based on Dispersion Management

2014 ◽  
Vol 926-930 ◽  
pp. 1836-1839
Author(s):  
Shi Yao Liu ◽  
Wei Dong Huang ◽  
Shuai Xu ◽  
Zhi Gang Yi ◽  
Bin Li
Keyword(s):  
Fiber Lasers ◽  
Short Pulse ◽  
Mode Locking ◽  
Dispersion Management ◽  
Transmission Characteristics ◽  
Transform Method ◽  
Soliton Pulse ◽  
Pulse Transmission ◽  
Simulation And Experiment ◽  
Evolution Laws

This paper uses the split-step Fourier transform method to solve the higher-order nonlinear Schrödinger equation for the transmission of the soliton pulse in the optical fiber, studies the evolution laws of the generation and transmission of the short pulse by changing intracavity dispersion distribution and validates the mode locking and transmission characteristics of the pulse under dispersion management.

A Survey on Hierarchical Cluster Based Secure Routing Protocols and Key Management Schemes in Wireless Sensor Networks

2018 ◽  
pp. 18-26
Author(s):  
Yugashree Bhadane ◽  
Pooja Kadam
Keyword(s):  
Routing Protocol ◽  
Routing Protocols ◽  
Key Management ◽  
Energy Efficient ◽  
Base Station ◽  
Secure Routing ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Management Schemes ◽  
Cluster Based Routing

Now days, wireless technology is one of the center of attention for users and researchers. Wireless network is a network having large number of sensor nodes and hence called as “Wireless Sensor Network (WSN)”. WSN monitors and senses the environment of targeted area. The sensor nodes in WSN transmit data to the base station depending on the application. These sensor nodes communicate with each other and routing is selected on the basis of routing protocols which are application specific. Based on network structure, routing protocols in WSN can be divided into two categories: flat routing, hierarchical or cluster based routing, location based routing. Out of these, hierarchical or cluster based routing is becoming an active branch of routing technology in WSN. To allow base station to receive unaltered or original data, routing protocol should be energy-efficient and secure. To fulfill this, Hierarchical or Cluster base routing protocol for WSN is the most energy-efficient among other routing protocols. Hence, in this paper, we present a survey on different hierarchical clustered routing techniques for WSN. We also present the key management schemes to provide security in WSN. Further we study and compare secure hierarchical routing protocols based on various criteria.

New advanced designed systems to ensure safeguard of the territory and preservation of water resources for irrigation

2020 ◽  
pp. 1-19
Author(s):  
Cinalberto Bertozzi ◽  
Fabio Paglione
Keyword(s):  
Water Management ◽  
Water Resources ◽  
Drainage Basin ◽  
Land Reclamation ◽  
Land Area ◽  
Water Board ◽  
Management Schemes ◽  
Innovative Techniques ◽  
River Po ◽  
Crop Irrigation

The Burana Land-Reclamation Board is an interregional water board operating in three regions and five provinces. The Burana Land-Reclamation Board operates over a land area of about 250,000 hectares between the Rivers Secchia, Panaro and Samoggia, which forms the drainage basin of the River Panaroand part of the Burana-Po di Volano, from the Tuscan-Emilian Apennines to the River Po. Its main tasks are the conservation and safeguarding of the territory, with particular attention to water resources and how they are used, ensuring rainwater drainage from urban centres, avoiding flooding but ensuringwater supply for crop irrigation in the summer to combat drought. Since the last century the Burana Land-Reclamation Board has been using innovative techniques in the planning of water management schemes designed to achieve the above aims, improving the management of water resources while keeping a constant eye on protection of the environment.

The Statistical Evaluations of Transmission Characteristics, Limits of Ranges and Speeds of Transmission of Information Via the Pulsed Atmospheric Bistatic Optical Channels

2019 ◽  
pp. 97-104
Author(s):  
Mikhail V. Tarasenkov ◽  
Egor S. Poznakharev ◽  
Vladimir V. Belov
Keyword(s):  
Communication Systems ◽  
Estimation Algorithm ◽  
Transmission Characteristics ◽  
Radiation Beam ◽  
Optical Channels ◽  
The Monte Carlo Method ◽  
Wide Range ◽  
Transmission Of Information ◽  
Optical Axes ◽  
Visibility Range

The simulation program by the Monte Carlo method of pulse reactions of bistatic atmospheric aerosol-gas channels of optical-electronic communication systems (OECS) is created on the basis of the modified double local estimation algorithm. It is used in a series of numerical experiments in order to evaluate statistically the transfer characteristics of these channels depending on the optical characteristics of an atmosphere plane-parallel model for wavelengths λ = 0.3, 0.5, and 0.9 μm at a meteorological visibility range SM = 10 and 50 km. The results are obtained for a set of basic distances between the light source and the light receiver up to 50 km and for the angular orientations of the optical axes of a laser radiation beam and of the receiving system in a wide range of their values. The dependences of the pulse reactions maximum values over-the-horizon channels of the OECS on the variations of these parameters are established.

Sign in / Sign up

Export Citation Format

Share Document