噪声调制连续波雷达信号波形射频隐身特性

doi:CNKI:11-1929/V.20110212.0957.001

Abstract

Abstract: To a radar system, the radio frequency (RF) stealth of radar signal waveform is one of the important factors in modern battlefield. RF stealth radar waveform design is an important issue in design of modern radar systems. First, the principle of random noise signal radar is introduced and its RF stealth of waveform is analyzed in theory based on the Schleher intercept factor. Second, the relationship is analyzed between the output autocorrelation function of the Gaussian noise phase and frequency modulated continuous wave radar and the correlation coefficient of Gaussian noise. The effect of different root mean square (RMS) of the Gaussian noise on the RF stealth of the Gaussian noise phase and frequency modulated continuous wave radar signal waveform is studied through simulation. Lastly, a Gaussian noise plus symmetrical triangular linear frequency modulation continuous wave (STLFMCW) radar signal waveform is constructed. The study shows that the RF stealth of the Gaussian noise plus STLFMCW radar signal waveform is good and its RF stealth performance can be improved by increasing the bandwidth and decreasing the power level of the Gaussian noise signal. The research shows that the noise modulated continuous wave radar signal waveform possesses good RF stealth characteristic.

Key words: radar, stealth technology, phase modulation, frequency modulation, bandwidth, symmetrical triangular linear frequency modulation continuous wave

CLC Number:

V218
TN958

YANG Hongbing, ZHOU Jianjiang, WANG Fei, LIU Weiqiang. RF Stealth Characteristic of Noise Modulated Continuous Wave Radar Signals[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(6): 1102-1111.

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RF Stealth Characteristic of Noise Modulated Continuous Wave Radar Signals

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