DF_Decoding v8.11  $149,99  now $134.99  

Provides a usefull tool for determining the number on required intermediate antenna pairs for a given overal length and DF accuracy. As a companion set; DF Synthesis provided the means for determining the physical requirements for an interferometer to achieve a desired DF accuracy. And, DF_Decoding focuses on ambiguity resolution and overall statistical performance, given an overall length. The user is provided tutorial text outlining the process for determining the required intermediate spacing's and ratios for successful DF decoding. Both manual and closed-loop analysis is provided for developing qualitative performance prediction. Numeric decoding based on the ancient Chinese Remainder Theorem provides a universal decoding method for quickly evaluating candidate intermediate spacing's and ratios. This tool provides the user the means for quickly resolving the tedious decoding process and for optimizing a candidate design with many time-saving and analytical features for thorough characterization. Product is available to run on Windows 2000, XP, 7 and Vista. More detailed information with screen shots available at this Hyperlink and a 30 day try-before-buy is also available.

DF_Synthesis v2.1  $99.99  now $89.99   

A software tool for modeling the linear-Interferometry for direction finding (DF) applications. The model is used by specifying the candidate interferometer design and error sources; and viewing the results for performance prediction. Scientists or Engineers involved with RF direction finding (DF) or applications DF systems will find this utility most helpful, and a great time saver. The user enters the physical array length, channel-pair differential phase error budget, frequency measurement error, phase quantization and operating frequency range, number of pulses and Signal-to-Noise. The results are near-simultaneously viewed by text summary and DF plotting. This tool allows the user to quickly optimize the candidate design to determine the physical and parametric requirements for a given application. Both Azimuth and Elevation are modeled to account for 'coning' and frequency dependencies (keystoning). Product is available to run on Windows 2000, XP, 7 and Vista. More detailed information with screen shots available at this Hyperlink and a 30 day try-before-buy is also available.

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