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Commsim userguide commSIM Network Communications Simulation User Guide Block Reference C F EA F EA F E Commsim and Electronics Workbench copyright - F E Interactive Image Technologies Ltd Visual Solutions copyright All rights reserved Communication chapte

commSIM Network Communications Simulation User Guide Block Reference C F EA F EA F E Commsim and Electronics Workbench copyright - F E Interactive Image Technologies Ltd Visual Solutions copyright All rights reserved Communication chapters of the Commsim Getting Started Guide and the Commsim User Guide and Block Reference e g Comm F E Block descriptions are a copyright of Eritek Inc and are reprinted under license All other brand or product names are trademarks or registered trademarks of their respective companies or organizations CS - F E E- Rev Interactive Image Technologies Ltd All rights reserved Published April Printed in Canada CPreface Welcome to Commsim Commsim provides the ideal solution for designing and simulating analog and digital end-to-end communication links The Commsim library supports digital and analog modulation channel modes demodulation phase locked loops error correcting codes and bit error rate analysis to mention a few Through its support of complex math Commsim enables the use of complex envelope simulations By using lowpass equivalent models you can signi ?cantly reduce the computing load required to support most communication analysis problems This guide provides a detailed discussion of advanced topics for users of Commsim as well as a complete reference of the Comm and Core Blocks available in Commsim Depending on your version of Commsim your software may have some feature limitations See the section entitled Version Details in the Commsim Getting Started Guide for more information Conventions used in this book The following typographical conventions are used in this manual Convention Shortcut key combinations Hot keys SMALL CAPS ALL CAPS Initial Caps Where it ? s used Shortcut key combinations are joined with the plus sign For example the command CTRL C means to hold down the CTRL key while you press the C key Hot keys are the underlined keys in Commsim ? s menus commands and dialog boxes To use a hot key press ALT and then the key for the underlined character For instance to execute the File menu ? s Save command hold down the ALT key while you press the F key then release both keys and press the S key To indicate the names of the keys on the keyboard To indicate directory names ?le names and acronyms To indicate menu names commands names and dialog box options In addition unless speci ?cally stated otherwise when you read ??click the mouse ? ? or ??click on ? ? it means click the left mouse button CWhat ? s new in Commsim Feature Multiple open diagrams Close diagram Save embedded ?les Save all diagrams Pop-up Edit menu Multiple level Undo Auto wiring Align blocks Navigation tags Report generation Optimize matrix usage Compare diagrams Complex number support Matrix generation Matrix manipulation Matrix operations Event-driven simulation Vector notation for Z block Subplots Signal generation blocks Dialog tables Function Switch to di ?erent diagram windows easily Close a diagram without quitting Commsim Save the changes to embedded diagram ?les Save changes to all open diagrams Easy access