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Dai Ji-Yang
Nanchang Hangkong University

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The Research on Telemetry Modulation System Wu Guo-Hui; Dai Ji-Yang; Chu Bao-Jun
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 5: May 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

To develop the effective aerospace telemetry communication system, for aerospace telemetry communication requirements high-speed, high bandwidth, high efficiency and low interference, puts forward the C-WQPSK（C-W Quadrate Phase- Shift Keying）modulation method. This method based on direct carrier QPSK, didn’t consider baseband pulse signal, and redesigned the modulating waveform, its phase angle jump and jump to change duration time all can be changed. Also it gives the C-WQPSK performance and theory analysis, and with QPSK, FQPSK the performance comparison, Through the MATLAB simulation experiment, verify this modulation method is correctness and effectiveness. DOI: http://dx.doi.org/10.11591/telkomnika.v11i5.2458
Co-Authors Chu Bao-Jun Wu Guo-Hui