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Signals and Systems: Online Resources
Objective: To provide understanding of signals, systems and transforms.
ccessEngineering is an award-winning engineering reference tool for professionals, academics, and students that provides seamless access to the world’s most trusted collection of critical, regularly updated engineering reference information.
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JSTOR is a shared digital library created in 1995 to help university and college libraries to free space on their shelves, save costs, and provide greater levels of access to more content than ever before. More generally, by digitizing content to high standards and supporting its long-term preservation.
we also aim to help libraries and publishers of scholarly content transition their collections and publishing activities from print to digital operations. Our aim is to expand access to scholarly content around the world and to preserve it for future generations. We provide access to some or all of the content free-of-charge when we believe we can do so and still meet our long-term obligations. JSTOR currently includes more than 2,000 academic journals, dating back to the first volume ever published, along with thousands of monographs and other materials relevant for education. We have digitized more than 50 million pages and continue to digitize approximately 3 million pages annually. Our activities, our fee structure, and the way we manage the service and its resources reflect our historical commitment to serve colleges and universities as a trusted digital archive, and our responsibility to publishers as stewards of their content. This underlying philosophy at JSTOR remains the core of our service even as we continue to seek ways to expand access to people beyond academic institutions.
Introduced in 1997, Wiley InterScience is a leading international resource for scientific, technical, medical and scholarly content. In June 2008, Wiley InterScience incorporated the online content formerly hosted on Blackwell Synergy to provide access across 1,234 journals in science, technology, medicine, humanities and social sciences.
Taylor & Francis have been publishing academic research since 1798 and on an open access basis since 2006. We offer a broad range of author options, enabling authors to publish their material in quality open access journals with a high degree of peer review integrity.