6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05} 求其Huffman编码和平均码长.

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6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05}求其Huffman编码和平均码长.6符号信源A={a2,a3,……a7},其概率为P=

6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05} 求其Huffman编码和平均码长.
6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05} 求其Huffman编码和平均码长.

6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05} 求其Huffman编码和平均码长.
太专业啦,去这里看下吧:http://hi.baidu.com/yb223732/blog/item/c983eebf7579e10018d81fb9.html

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6符号信源A={a2,a3,……a7},其概率为P={0.18,0.10,0.10,0.07,0.06,0.05} 求其Huffman编码和平均码长. 信源符号及其概率如下:a a1 a2 a3 a4 a5 已知5个符号的信源A={a1,a2,……a5},若其概率分布为P={0.15、0.04、0.26、0.05、0.5}求:1、计算这个信源的熵2、求解这个信源的霍夫曼码,3、求平均码长 Huffman编码的步骤.如信源符号及其概率如下:a a1 a2 a3 a4 a5p(a) 0.5 0.25 0.125 0.0625 0.0625求其huffman编码 已知一列数a1,a2,a3,…,a7满足a1/a2=a2/a3=…=a5/a6=a6/a7,且a1=8,a7=5832,则a6= 已知一列数a1,a2,a3,…,a7满足a1/a2=a2/a3=…=a5/a6=a6/a7,且a1=8,a7=5832,a5=? 在等比数列中an中,a4=3,a1*a2*a3……a7=多少? 等比数列中…a1+a2=3.a3+a4=6.则a7+a8=多少? 如果等差数列{an}中,a3+a4+a5=12.那么a1+a2+…+a7=多少 如果等差数列an中,a3+a4+a5=12 ,那么a1+a2+a3+……+a7=? 已知{an}为等差数列,a3=5,a5=9,则a1+a2+a3+……+a7等于多少 等比数列,a1+a2+a3=6,a2+a3+a4=3,求a3+a4+a5+a6+a7+a8=? 已知6个符号的信源A={a1,a2,……a6},若其概率分布为P={0.30,0.25,0.25,0.10}1、写出Huffman编码(要求:1、写出Huffman编码(要求过程).2、Huffman编码的平均编码长度.急用,快 几个有关向量的数学题1.给定8个非零实数a1.a2.a3…a8.证明:下面6个实数:a1*a3+a2*a4.a1*a5+a2*a6.a1*a7+a2*a8.a3*a5+a4*a6.a3*a7+a4*a8.a5*a7+a6*a8.中,至少有一个数为非负实数.2.证明:从任意4个不同实数中可 已知由正项组成的等比数列{An}中,公比q为2,A1*A2*A3*…*A30=2^45,则A1*A4*A7*…*A 等比数列 a1+a2=3 ,a2+a3=6 ,则a7=? 已知等比数列{an}满足a1+a2=3,a2+a3=6,则a7= 已知等比数列an满足a1+a2=3,a2+a3=6,则a7=?