Digital Communications

A program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK), BPSK63, QPSK63, BPSK125, AMTOR-FEC (SITOR-B, NAVTEX), MFSK16, MFSK8. HF-PACKET and UHF-PACKET (AX25) are supported in KISS-TNC emulation mode.... Platforms: Windows, Windows 8, Windows 7

The objective of SPUC is to provide the Digital Communications Systems Designer or DSP Algorithm designer with simple, efficient and reusable DSP building block objects written in C++. Platforms: Windows, Mac, Linux

See "Digital Communications" by Sklar as the reference for this. These MATLAB scripts answer questions 8.3 - 8.7, but using similar methods you might by hand. Includes generating Galois Field addition and multiplication tables, evaluation message and error vectors, and decoding. Platforms: Matlab

A MFSK channel with AWGN is simulated. The simulation is implemented as per the book Digital Communications by Proakis. Reed-Solomon coding is used to enhance the reliability of the system. Platforms: Matlab

The phase generated by the pseudo-random sequence in the transmitter is used to encode the data stream is unknown.A parallel search strategy is employed to locally determine it in the place. It selects the maximam-energy low-pass filtered signal of the set of all hypothesied despreaded ones using... Platforms: Windows, Mac, *nix, Matlab, BSD Solaris

Timing recovery is a critical aspect of Digital Communications Receivers. This model uses a fractional delay implemented with a Farrow filter to create a symbol rate timing recovery subsystem.This is combined with a decision aided Carrier Recovery PLL. For testing, a transmitter with continuosly... Platforms: Matlab

Ham Radio Control Libraries is a development effort to provide a consistent interface for programmers wanting to incorporate radio control in their programs. Hamlib is not a complete user application, rather, it is a software layer intended to make controlling various radios and other shack... Platforms: *nix

Introducing a business-strength, Internet-enabled fax solution that provides the digital communications power and portability you need to achieve profitability in today's fast-paced, increasingly mobile, cost-conscious economy. 4-Sight FAX, the first Macintosh fax server for OS X, provides both... Platforms: Mac

Follow along with the article from http://www.informit.com/articles/article.aspx?p=26335 or Chapter 8 of "Digital Communications - Fundamentals and Applications" 2nd Edition by Sklar. This MATLAB code shows how to reproduce some of the figures in that article, a great learning tool for working... Platforms: Matlab

Digital Overlay is one a small genre of simulation games. It displays a virtual computer network, know as digital overlay. You take the path of an evil hacker, who is out to crack servers and make all the profit he can. The game involves cracking into virtual computer systems, and transferring... Platforms: Windows

Zero Assumption Digital Image Recovery is an easy to use specialized data recovery tool. It is designed specifically to work with pictures taken by digital camera. Its wizard-style interface is quite simple and it does not require any knowledge of deep internals. Supported formats are TIFF,... Platforms: Windows

Java Advanced Digital Clock (JADC) is both a digital clock and a time counter (countdown or countup display, to or from a particular time). JADC is browser-independent and highly-configurable Java applet, it could be easily customized with your own graphics and time format to achieve an... Platforms: BeOS, Windows, *nix

Digital PhotoRescue Professional recovers lost data from a whole host of multimedia devices ranging from digital cameras and MP3 players to PDAs and mobile phones. PhotoRescue Pro supports recovery from CompactFlash cards (type I/II), IBM Microdrives, SmartMedia cards, MultiMedia cards (MMCs),... Platforms: Windows, Windows 8, Windows 7, Windows Server

My Digital Screensaver is a different screensaver, without any complex compile and setup, just a simple click to have your own photo screensaver at once! A lovely digital elf comes out to speak the explain your photo , it will give your friends and family a big surprise! You need not to repeat... Platforms: Windows

Digital Avatair is a global application ideal for organizing, editing and viewing your text notes, audio notes, video notes, managing your photos, time notifications, e-mail addresses and internet resources. The new user interface is designed for quick access to tools. Screen layout was... Platforms: Windows

Digital Clock has few features that Microsoft Windows clock gadget doesn't have. There is include computer uptime, alarm and event countdown. It display your time, date, day, week, quarter of a year, current computer uptime, total computer uptime, countdown (set event name, time and sound) and... Platforms: Windows

Digital AudioRescue Professional recover lost data from whole host of multimedia devices - from digital audio recorders, MP3 & WMA players to PDAs and mobile phones. Program support recovery from Hard Drives, CompactFlash cards (type I/II), IBM Microdrives, SmartMedia cards, MultiMedia cards... Platforms: Windows

With Intertraff MMS-DVR running on your Personal Computer, you may monitor your cameras, record high quality digital video either continuously, on schedule or on motion detection. MMS-DVR increases the security of your premises and sets a milestone in CCTV software applications being able... Platforms: Windows

Phoenix Digital Image recovery software is helpful in the following cases of data loss: Provides Image Recovery after corruption due to the card being pulled out while the camera is on. Provides Photo Recovery after corruption due to turning the camera off during a write process Provides Digital... Platforms: Windows

XClock displays a very large glowing digital time display when your computer is idle. Advantages of this screen saver include optional flashing time separator (for each second) and slow movement around your screen to prevent burn in. It does not incorporate any advertising or spyware. Platforms: Windows