The Unbiased Characteristic of Doppler Frequency in GNSS Antenna Array Processing

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:12.47em"/><col style="width:13.94em"/></colgroup><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Signal Type</td><td class="align_center">BeiDou</td></tr><tr><td class="align_left">Carrier Frequency</td><td class="align_center">1268.52MHz</td></tr><tr><td class="align_left">Signal Length</td><td class="align_center">1000 ms</td></tr><tr><td class="align_left">Intermediate Frequency</td><td class="align_center">46.52MHz</td></tr><tr><td class="align_left">Sampling Frequency</td><td class="align_center">61MHz</td></tr><tr><td class="align_left">Code Frequency</td><td class="align_center">10.23MHz</td></tr><tr><td class="align_left">Code Length</td><td class="align_center">10230</td></tr><tr><td class="align_left">Signal Noise Ratio (SNR)</td><td class="align_center">-15dB</td></tr><tr><td class="align_left">Signal Direction</td><td class="align_center">(<i><i>θ</i></i>=85°, <i><i>φ</i></i>=70°)</td></tr><tr><td class="align_left">Jamming Noise Ratio (JNR)</td><td class="align_center">Jammer1: 50dB, Jammer2: 30dB</td></tr><tr><td class="align_left">Antenna Element</td><td class="align_center">4</td></tr><tr><td class="align_left">Array Structure</td><td class="align_center">Circular</td></tr><tr><td class="align_left">Time Taps</td><td class="align_center">3, 5, 7</td></tr><tr><td class="align_left">Anti Jamming Criterion</td><td class="align_center">PI</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

tab1

Table 1

Table 1: The Unbiased Characteristic of Doppler Frequency in GNSS Antenna Array Processing 