Freeware Listing: Sideband

Double Sideband Amplitude Modulation is a basic technique http://en.wikipedia.org/wiki/Amplitude_modulation#Example:_double-sideband_AM ://http://en.wikipedia.org/wiki/Amplit...le-sideband_AM.

  • Platform: Matlab, Scripts

The codes in two files generate time and frequency domain representation of three basic types of amplitude modulation i>Double SideBand Amplitude Modulation (Full Carrier) (DSBAM) ii>Double SideBand Suppressed Carrier (DSBSC) iii>Single SideBand (SSB) The message signals used are combination of sinusoids of different frequency. Most authors use single tone modulation so give the initial concepts, but rarely do any one of them go beyond than. I believe the multi tone modulation representation will help in visualizing how AM will work in case of voice modulation, which certainly is composed of number of harmonics.

  • Platform: Matlab, Scripts

The file calculates and plots FM noise sidebands for a carrier. It also does sinusoidal modulation. This simple way of adding noise to a carrier is useful for simulation of PLLs. It turns out, though, that the mean of the randn function is not as close to zero as it could be, and this causes the fft to generate extra sideband energy, which makes it appear as if the noise is not what would be expected. This program gets around this by adding a fudge factor to the randn results to eliminate this problem. It took me ages to figure this out, I hope to reduce a similar effort for others..

  • Platform: Matlab, Scripts

This script simulates an electromagnetic pulse, a spectral phase interferometry for direct electric field reconstruction (SPIDER) measurement and reconstruction and compares it to the true electric field in time in the presence of noise (additive, multiplicative, quantative and in the delay). Play about with different values of the noise, different pulse parameters and compare the different reconstruction algorithms. Remember to change the filter to extract the complete sideband if you change the pulse to be measured..

  • Publisher: Adam Wyatt
  • Date: 25-05-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Coolbits unleashes hidden function within ForceWare drivers, it enables several new Direct3d and OpenGL configuration tabs...etc NVTweak will unlock many extra options in the NVIDIA control panel/driver, including but not limited to - Overclocking, AGP & Hardware settings, Fan control, Temperature settings, Debugging, Twin View, Video Mixing Renderer, OpenGL 2.0 support, 3D viewer types (for 3D Stereo drivers), and more!Here are some key features of "Coolbits 3D":AGP & Hardware Settings-AGP Rate-Fast Writes-Sideband addressingCoolbits (Overclocking)-Auto Overclocking-Manual Overclocking-Separate 2D/3D settings-Fan ControlOpenGL 2.

  • Platform: WinOther

CHAPTER 1: FOURIER ANALYSIS 1.1 CONTINUOUS-TIME FOURIER SERIES (CTFS) 1.2 PROPERTIES OF CTFS 1.2.1 Time-Shifting Property 1.2.2 Frequency-Shifting Property 1.2.3 Modulation Property 1.3 CONTINUOUS-TIME FOURIER TRANSFORM (CTFT) 1.4 PROPERTIES OF CTFT 1.4.1 Linearity 1.4.2 Conjugate Symmetry 1.4.3 Real Translation and Complex Translation 1.4.4 Real Convolution and Correlation 1.4.5 Complex Convolution Modulation/Windowing 1.4.6 Duality 1.4.7 Parseval Relation - Power Theorem 1.5 DISCRETE-TIME FOURIER TRANSFORM (DTFT) 1.6 DISCRETE-TIME FOURIER SERIES - DFS/DFT 1.7 SAMPLING THEOREM 1.7.

  • Publisher: Won Yang
  • Date: 19-01-2013
  • Size: 143 KB
  • Platform: Matlab, Scripts

This program converts the noise sidebands to power, adds in an estimate of the power for CW spurs, then calculates the jitter from this. It is not really exact, but it is simple and allows for an easy estimate of the jitter and phase noise without special tools..

  • Platform: Matlab, Scripts

This unique free application is for all students across the world. It covers 179 topics of Satellite Communications in detail. These 179 topics are divided in 4 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x

This is the Android version of the popular PC application HamSphere. Download this 7 day trial app and start talking to Ham Radio operators and Radio enthusiasts from all over the world. HamSphere is a world wide virtual Amateur Radio Network with operators from over 200 countries. The system can be used by licensed Hams as well as Radio enthusiasts who have the intention of becoming licensed. The transceiver comes with 11 virtual Ham Radio bands and includes a DX Cluster, LCD readout, S-Meter, VFO and PTT. The VFO is adjustable in 10hz steps and the transmitter operates in full DSB (Double Sideband Mode).

  • Platform: Android 1.x, Android 2.x, Android 3.x, Android 4.4, Android 4.x

Sideband: Freeware | All

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