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<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d0099be9ad24cfa724e6a/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">雷达对抗实验报告</div><div class="t m0 x2 h4 y3 ff1 fs1 fc0 sc1 ls0 ws0">实验题目:噪声干扰信号的<span class="_ _0"></span> <span class="_ _1"> </span> </div></div><div class="c x3 y4 w3 h5"><div class="t m0 x0 h4 y5 ff1 fs1 fc0 sc1 ls0 ws0"> <span class="_ _2"></span> <span class="_ _2"></span> <span class="_ _2"></span> </div></div><div class="c x0 y1 w2 h2"><div class="t m0 x4 h4 y3 ff2 fs1 fc0 sc1 ls0 ws0">Matlab<span class="_ _3"></span><span class="ff1"> <span class="_ _4"> </span> </span></div></div><div class="c x5 y6 w3 h6"><div class="t m0 x0 h4 y7 ff2 fs1 fc0 sc1 ls0 ws0"> <span class="_ _5"></span> <span class="_ _5"></span><span class="ff1"> <span class="_ _2"></span> </span></div></div><div class="c x0 y1 w2 h2"><div class="t m0 x6 h4 y3 ff1 fs1 fc0 sc1 ls0 ws0">仿真<span class="_ _6"></span> <span class="_ _7"> </span> </div><div class="t m0 x2 h4 y8 ff1 fs1 fc0 sc1 ls0 ws0">院 系: 信息科学与工程学院 </div><div class="t m0 x2 h4 y9 ff1 fs1 fc0 sc1 ls0 ws0">班 级: 通信<span class="_ _8"></span> <span class="_ _9"> </span> </div></div><div class="c x7 ya w3 h5"><div class="t m0 x0 h4 y5 ff1 fs1 fc0 sc1 ls0 ws0"> <span class="_ _2"></span> <span class="_ _2"></span> <span class="_ _2"></span> </div></div><div class="c x0 y1 w2 h2"><div class="t m0 x8 h4 y9 ff2 fs1 fc0 sc1 ls0 ws0">2<span class="_ _a"></span><span class="ff1"> <span class="_ _b"></span> </span></div></div><div class="c x9 yb w3 h6"><div class="t m0 x0 h4 y7 ff2 fs1 fc0 sc1 ls0 ws0"> <span class="_ _5"></span> <span class="_ _5"></span><span class="ff1"> <span class="_ _2"></span> </span></div></div><div class="c x0 y1 w2 h2"><div class="t m0 xa h4 y9 ff1 fs1 fc0 sc1 ls0 ws0">班 <span class="_ _3"></span> <span class="_ _4"> </span> </div><div class="t m0 x2 h4 yc ff1 fs1 fc0 sc1 ls0 ws0">姓 名: 宋曜辰 </div><div class="t m0 x2 h4 yd ff1 fs1 fc0 sc1 ls0 ws0">学 号: <span class="_ _c"></span> <span class="_ _d"> </span> <span class="ff2">1003060230 <span class="_ _e"></span><span class="ff1"> <span class="_ _f"> </span> </span></span></div><div class="t m0 x2 h4 ye ff1 fs1 fc0 sc1 ls0 ws0">指导教师: </div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
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<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d0099be9ad24cfa724e6a/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x2 h7 yf ff1 fs2 fc0 sc0 ls0 ws0">噪声调幅、调频、调相信号的<span class="_ _10"> </span><span class="ff3 sc1">Matlab<span class="_ _10"> </span></span>仿真</div><div class="t m0 xb h8 y10 ff1 fs3 fc0 sc0 ls0 ws0">一、<span class="_ _11"> </span>实验目的</div><div class="t m0 xc h9 y11 ff1 fs4 fc0 sc1 ls0 ws0">通过实验,加深对噪声调幅、调频、调相信号的理解,加深对噪声调幅、调频、调相</div><div class="t m0 xb h9 y12 ff1 fs4 fc0 sc1 ls0 ws0">信号频谱分析的基本思想与实现方法的认识,并掌握<span class="_ _12"> </span><span class="ff4">Matlab<span class="_ _12"> </span></span>对随机过程的仿真方法与其基</div><div class="t m0 xb h9 y13 ff1 fs4 fc0 sc1 ls0 ws0">本函数和语法的使用。</div><div class="t m0 xb h8 y14 ff1 fs3 fc0 sc0 ls0 ws0">二、<span class="_ _11"> </span>实验原理</div><div class="t m0 xc h9 y15 ff1 fs4 fc0 sc1 ls0 ws0">实验中要仿真的各种噪声的时域表达式及相应的频谱特性:</div><div class="t m0 xc ha y16 ff5 fs5 fc0 sc1 ls0 ws0">1.<span class="_ _13"> </span><span class="ff1 sc0">射频噪声干扰</span></div><div class="t m0 xd h9 y17 ff1 fs4 fc0 sc1 ls0 ws0">窄带高斯过程:称为射频噪声干扰。其中包络函数服从瑞利分布,相位函数服从</div><div class="t m0 xd h9 y18 ff4 fs4 fc0 sc1 ls0 ws0">[0,2]<span class="ff1">均匀分布,且与相互独立,载频为常数,且远大于的谱宽。</span></div><div class="t m0 xc ha y19 ff5 fs5 fc0 sc1 ls0 ws0">2.<span class="_ _13"> </span><span class="ff1 sc0">噪声调幅干扰</span></div><div class="t m0 xd h9 y1a ff1 fs4 fc0 sc1 ls0 ws0">广义平稳随机过程:称为噪声调幅干扰。其中,调制噪声为零均值,方差为,在</div><div class="t m0 xd h9 y1b ff1 fs4 fc0 sc1 ls0 ws0">区间<span class="ff4">[-,</span>分布的广义平稳随机过程,服从<span class="ff4">[0,2]</span>均匀分布,且为与独立的随机变量,为</div><div class="t m0 xd h9 y1c ff1 fs4 fc0 sc1 ls0 ws0">常数。</div><div class="t m0 xd h9 y1d ff1 fs4 fc0 sc1 ls0 ws0">噪声调幅信号的波形图,以及联合概率密度分布函数<span class="_ _12"> </span><span class="ff4">p()</span>以及各自的概率密度分布</div><div class="t m0 xd h9 y1e ff1 fs4 fc0 sc1 ls0 ws0">密度<span class="_ _12"> </span><span class="ff4">p()</span>存在下列关系:</div><div class="t m0 xe hb y1f ff1 fs6 fc0 sc1 ls0 ws0">第<span class="_ _14"> </span><span class="ff4">1<span class="_ _14"> </span></span>页</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d0099be9ad24cfa724e6a/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 xc ha y20 ff5 fs5 fc0 sc1 ls0 ws0">3.<span class="_ _13"> </span><span class="ff1 sc0">噪声调频干扰</span></div><div class="t m0 xf h9 y21 ff1 fs4 fc0 sc1 ls0 ws0">广义平稳随机过程:</div><div class="t m0 xf h9 y22 ff1 fs4 fc0 sc1 ls0 ws0">称为噪声调频干扰,其中调制噪声为零均值、广义平稳的随机过程,服从</div><div class="t m0 xd h9 y23 ff4 fs4 fc0 sc1 ls0 ws0">[0,2]<span class="ff1">均匀分布且与独立的随机变量,,</span></div><div class="t m0 xf h9 y24 ff1 fs4 fc0 sc1 ls0 ws0">噪声调频干扰中的调制噪声和噪声调频干扰信号的波形<span class="_ _12"> </span><span class="ff4">J(t)</span>如下图示:</div><div class="t m0 xe hb y1f ff1 fs6 fc0 sc1 ls0 ws0">第<span class="_ _14"> </span><span class="ff4">2<span class="_ _14"> </span></span>页</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>