Note that even though we have four non-zero amplitudes, the sum of the squares of the absolute values of the amplitudes always adds up toone.
请注意即使我们有四个非0振幅,这些振幅绝对值的平方和总能达到1。
3
One important issue tonote: When I tried the big-RDF-database approach to such a synonym-driven search four years ago, I had a lot of trouble with performance.