Suitability of Sirnpson TDRS

Why oppose TDRs?: Transferable development rights can increase overall development

Economists have long argued that systems of marketable permits are a cost-effective means of regulating externalities. Though these ideas have only recently been implemented in the field of pollution control, transferable development rights (TDRs) have been used for decades by city planners in many locales. Most opponents of permit trading contest the granting of property rights to the originat...

Suitability of artificial nests.

Simulation of TCP for Orbiting Spacecraft Through the TDRS Satellite System

In recent years NASA engineers have designed an interface system that connects the Space Shuttle and Space Station communication system to the Internet on Earth. Such a system allows for the astronauts to use services like the World Wide Web and Electronic Mail. This application provides a scenario with unique latency and throughput parameters that the standard TCP/IP protocol was not designed ...

A Hybrid Multiuser Detector Based on MMSE and AFSA for TDRS System Forward Link

This study mainly focuses on multiuser detection in tracking and data relay satellite (TDRS) system forward link. Minimum mean square error (MMSE) is a low complexity multiuser detection method, but MMSE detector cannot achieve satisfactory bit error ratio and near-far resistance, whereas artificial fish swarm algorithm (AFSA) is expert in optimization and it can realize the global convergence ...

Landing Site Suitability Models

Introduction: We have explored the use of GIS suitability models for the screening and analyzing of potential sites for Mars landers using engineering and scientific constraints in an iterative manner. While initially performed on locally held data sets, these analyses have now been extended to use widely distributed data from standardized Web Mapping Servers (WMS) [1]. The ability to exploit a...