请问,matlab中sym1(m,:) = mapping(temp,:mapping = [3*d 3*d;-3*d 3*d;3*d -3*d;-3*d -3*d;d 3*d;-d 3*d;d -3*d;-d -3*d;3*d d;-3*d d;3*d -d;-3*d -d;d d;-d d;d -d;-d -d];我在做LDPC的QAM调制.具体一点的部分程序如下:mapping = [3*d 3*d;-3*
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![请问,matlab中sym1(m,:) = mapping(temp,:mapping = [3*d 3*d;-3*d 3*d;3*d -3*d;-3*d -3*d;d 3*d;-d 3*d;d -3*d;-d -3*d;3*d d;-3*d d;3*d -d;-3*d -d;d d;-d d;d -d;-d -d];我在做LDPC的QAM调制.具体一点的部分程序如下:mapping = [3*d 3*d;-3*](/uploads/image/z/9972329-41-9.jpg?t=%E8%AF%B7%E9%97%AE%2Cmatlab%E4%B8%ADsym1%28m%2C%3A%29+%3D+mapping%28temp%2C%3Amapping+%3D+%5B3%2Ad+3%2Ad%3B-3%2Ad+3%2Ad%3B3%2Ad+-3%2Ad%3B-3%2Ad+-3%2Ad%3Bd+3%2Ad%3B-d+3%2Ad%3Bd+-3%2Ad%3B-d+-3%2Ad%3B3%2Ad+d%3B-3%2Ad+d%3B3%2Ad+-d%3B-3%2Ad+-d%3Bd+d%3B-d+d%3Bd+-d%3B-d+-d%5D%3B%E6%88%91%E5%9C%A8%E5%81%9ALDPC%E7%9A%84QAM%E8%B0%83%E5%88%B6.%E5%85%B7%E4%BD%93%E4%B8%80%E7%82%B9%E7%9A%84%E9%83%A8%E5%88%86%E7%A8%8B%E5%BA%8F%E5%A6%82%E4%B8%8B%EF%BC%9Amapping+%3D+%5B3%2Ad+3%2Ad%3B-3%2A)
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