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- W2220180914 abstract "Accurate tracking system is a mandatory in the development of rocket technology.LAPAN has developed a prototype of secondary RADAR using UHF radio. Rocket is loaded withtransponder, while a receiver is placed in the observatory station. The distance is calculatedbased on Time Different of Arrival TDOA between transmitted signal and received back at theearth station.This research is to develop an algoritm for distance determination using time basedcorrelation (Cross Correlation) and frequency based correlation (Generalized CrossCorrelation). Simulation has been done to noiseless signal and signal with random noise. Thesignal with random noise is first simulated without filter and the second simulated with bandpassfiltr. A simulation is also done to determine the effect of sub carrier frequency 2500 Hz, 5000 Hz,10000Hz and 12500Hz. Calibration and experiment on Rocket Rx100 has been done.Experiment with random noise still indicates readable signal with measurement errorless than 5% with SNR = 0.1667 for time based TDOA algorithm, and SNR = 0.2 for Frequencybased TDOA algorithm. After passed through a bandpass filter the error is less than 1% withSNR 0.25 both for time based TDOA algorithm, and for Frequency based TDOA algorithm. Thehigher sub carrier frequency used, indicates lower error, therefore measurement error less than5% resulted with sub carrier frequency at 12500 Hz" @default.
- W2220180914 created "2016-06-24" @default.
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- W2220180914 creator A5044842143 @default.
- W2220180914 date "2011-01-01" @default.
- W2220180914 modified "2023-09-23" @default.
- W2220180914 title "STUDI ALGORITMA TDOA UNTUK PENGUKUR JARAK ROKET BERBASIS RADAR SEKUNDER" @default.
- W2220180914 hasPublicationYear "2011" @default.
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