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图 1 WRaFES波形不对称分析
Figure 1.
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图 2 BOC(1, 1)数字畸变功率谱：
$\varDelta = 0.06{T_c}$ Figure 2.
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图 3 WRaFES波形不对称分析
Figure 3.
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图 4 BOC (1, 1) SQM相关器输出
Figure 4.
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图 5 码片上升下降沿不对称带来的SCB影响分析
Figure 5.
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图 6 分离后的BDS M1-S B1Cd基带信号波形
Figure 6.
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$\Delta \Delta $测试参数 对称性面积比参数： $M1 = \frac{{({W_{ - 0.50}} - {W_{0.50}}) - ({W_{ - 0.47}} - {W_{0.47}})}}{{{W_0}}}$$M2 = \frac{{({W_{ - 0.53}} - {W_{0.53}}) - ({W_{ - 0.50}} - {W_{0.50}})}}{{{W_0}}}$ $M24 = 20 \times \lg \left[ {\displaystyle\frac{{\displaystyle\int_{t = - 0.60{T_{\rm c}}}^{t = - 0.40{T_{\rm c}}} {s(t){\rm dt}} }}{{\displaystyle\int_{t = 0.40{T_{\rm c}}}^{t = 0.60{T_{\rm c}}} {s(t){\rm dt}} }}} \right]$ 对称性评价参数： 非对称性评价参数： $M3 = \displaystyle\frac{{({W_{ - 0.40}} - {W_{0.40}})}}{{{W_0}}}$ $M4 = \displaystyle\frac{{({W_{ - 0.43}} - {W_{0.43}})}}{{{W_0}}}$
$M5 = \displaystyle\frac{{({W_{ - 0.47}} - {W_{0.47}})}}{{{W_0}}}$ $M6 = \displaystyle\frac{{({W_{ - 0.50}} - {W_{0.50}})}}{{{W_0}}}$
$M7 = \displaystyle\frac{{({W_{ - 0.53}} - {W_{0.53}})}}{{{W_0}}}$ $M8 = \displaystyle\frac{{({W_{ - 0.57}} - {W_{0.57}})}}{{{W_0}}}$ $M9 = \displaystyle\frac{{({W_{ - 0.60}} - {W_{0.60}})}}{{{W_0}}}$$M10 = \displaystyle\frac{{{W_{ - 0.40}}}}{{{W_0}}}$ $M11 = \displaystyle\frac{{{W_{0.40}}}}{{{W_0}}}$ $M12 = \displaystyle\frac{{{W_{ - 0.43}}}}{{{W_0}}}$ $M13 = \displaystyle\frac{{{W_{0.43}}}}{{{W_0}}}$ $M14 = \displaystyle\frac{{{W_{ - 0.47}}}}{{{W_0}}}$
$M15 = \displaystyle\frac{{{W_{0.47}}}}{{{W_0}}}$ $M16 = \displaystyle\frac{{{W_{-0.50}}}}{{{W_0}}}$ $M17 = \displaystyle\frac{{{W_{0.50}}}}{{{W_0}}}$ $M18 = \displaystyle\frac{{{W_{-0.53}}}}{{{W_0}}}$ $M19 = \displaystyle\frac{{{W_{0.53}}}}{{{W_0}}}$
$M20 = \displaystyle\frac{{{W_{-0.57}}}}{{{W_0}}}$ $M21 = \displaystyle\frac{{{W_{0.57}}}}{{{W_0}}}$ $M22 = \displaystyle\frac{{{W_{-0.60}}}}{{{W_0}}}$ $M23 = \displaystyle\frac{{{W_{0.60}}}}{{{W_0}}}$表 1 WRaFES参数列表
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参数 ${P_1}$ ${P_2}$ ${P_3}$ ${P_4}$ ${P_5}$ ${P_6}$ ${P_7}$ 均值 0 0 0 0 0 0 0.85 方差 $\frac{{0.6}}{{2T\,(C/{N_0})}}$ $\frac{{2.4}}{{2T\,(C/{N_0})}}$ $\frac{{0.6}}{{2T\,(C/{N_0})}}$ $\frac{{1.2}}{{2T\,(C/{N_0})}}$ $\frac{{2.0}}{{2T\,(C/{N_0})}}$ $\frac{{2.0}}{{2T\,(C/{N_0})}}$ $\frac{{2.775}}{{2T\,(C/{N_0})}}$ 参数 ${P_8}$ ${P_9}$ ${P_{10}}$ ${P_{11}}$ ${P_{12}}$ ${P_{13}}$ ${P_{14}}$ 均值 0.85 0.70 0.70 –0.50 –0.50 0 0 方差 $\frac{{2.775}}{{2T\,(C/{N_0})}}$ $\frac{{0.51}}{{2T\,(C/{N_0})}}$ $\frac{{0.51}}{{2T\,(C/{N_0})}}$ $\frac{{0.75}}{{2T\,(C/{N_0})}}$ $\frac{{0.75}}{{2T\,(C/{N_0})}}$ $\frac{{1.0}}{{2T\,(C/{N_0})}}$ $\frac{{1.0}}{{2T\,(C/{N_0})}}$ 表 2 相关特性参数均值和方差
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参数 M1 M2 M5 M6 M7 M24 M14 M15 M16 M17 M18 M19 均值 0.0132 0.0149 0.0118 0.0014 0.0162 0.0091 0.5775 0.5893 0.0010 0.0003 0.5766 0.5928 标准差 0.1233 0.1396 0.1568 0.1292 0.1708 1.6188 0.0942 0.1359 0.0896 0.0942 0.1223 0.1571 参数 M3 M4 M8 M9 M10 M11 M12 M13 M20 M21 M22 M23 均值 0.0008 0.0110 0.0339 0.0247 1.0391 1.0383 0.9369 0.9481 0.9321 0.9659 1.0425 1.0673 标准差 0.2455 0.1999 0.2571 0.3510 0.1557 0.2294 0.1089 0.1809 0.1941 0.2557 0.2759 0.3286 表 3 BDS M1-S B1CdWRaFES 参数统计结果
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参数 P1 P2 P3 P4 P5 P6 P7 均值 0.0148 –0.0002 –0.0022 0.0114 0.0099 –0.0048 0.8663 标准差 0.0352 0.0488 0.0369 0.0369 0.0526 0.0745 0.0076 参数 P8 P9 P10 P11 P12 P13 P14 均值 0.8698 0.7160 0.7060 –0.5013 –0.5099 0.0151 0.0211 标准差 0.0079 0.0121 0.0136 0.0593 0.0636 0.0576 0.0728 表 4 BDS M1-S B1Cd实测相关特性参数统计结果
图共
6 个 表共
4 个
