Sampled data lightning strike detection and mapping system capable of generating frequency spectrum of input signal waveforms and displaying such on the mapping display

A sampled data lightning detection and mapping system including frequency spectrum measurement and display capabilities, said system comprising:

• means for receiving a signal waveform comprising components representative of a lightning strike and other electrical activity;
• means for sampling said received signal waveform and for digitizing the samples to generate a train of digital data samples representative of the signal waveform;
• digital signal processing (DSP) means operative to process the digital data samples of the train to detect the lightning strike and estimate a location thereof;
• display means, said DSP means operative to drive said display means to display an indication of the lightning strike based on the estimated location thereof;
• said DSP means also operative to process a predetermined number of digital data samples of the train to generate a plurality of frequency signals representative of a frequency spectrum of the processed data samples, said DSP means operative to drive said display means to display a representation of said frequency spectrum.

A sampled data lightning strike detection and mapping system including frequency spectrum measurement and display capabilities, said system comprising:

• first means for receiving first and second signal waveforms comprising components representative of a magnetic field of a lightning strike and other electrical activity;
• second means for receiving a third signal waveform comprising components representative of an electric field of the lightning strike and other electrical activity;
• means for sampling the received first, second and third signal waveforms and for digitizing the samples to generate first, second and third trains of digital data samples representative of the first, second and third signal waveforms, respectively;
• digital signal processing (DSP) means operative to process the digital data samples of the first, second and third train to detect the lightning strike and estimate a location thereof;
• display means, said DSP operative to drive said display means to display an indication of the lightning strike based on the estimated location thereof;
• said DSP means also operative to process a predetermined number of samples of each of the first, second and third trains to generate a plurality of frequency signals representative of a frequency spectrum of each of the processed samples, said DSP means operative to drive said display means to display a representation of the frequency spectrum corresponding to each of the first, second and third trains.