相长干涉 ( constructive interference ): 讯号互相干涉后产生更大的振幅。若两波刚好同相干涉,会产生最大的振幅,称为完全 相长干涉 。
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稳态相长干扰(constructive interference)是一种MRI序列,可以评价大脑和脑神经周围脑脊液腔0.6 mm厚的层面,这项技术对评估脑神经可能有用5。
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This situation is called constructive interference.
这种情形称作相长干涉。
This situation is called constructive interference .
这种情形称作相长干涉。
So in this case where we're adding it together, this is going to be constructive interference.
在这个情况下,我们把它加在一起,这是相干干涉。
So, we'll start by taking a look at constructive interference, and another way to explain this is just to say again, molecular orbitals are a linear combination of atomic orbitals.
我们先来看一看相长干涉,另外一个解释它的方法就是说,分子轨道是原子轨道的组合。
So if we have constructive interference between the two, what we're going to see is our molecular orbital looks something like this.
如果两者是相干干涉,我们看到分子轨道,看起来是这个样子的。
So we want to have constructive interference to form a bond, where as if we had destructive interference, we would not be forming a bond.
我们需要,相干相长来成键,如果,相干相消了,就不能成键,所以这时候。
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