对于倾斜界面,转换波的叠加非常复杂。
The stack of converted waves from slant interface is terribly complicated.
一般的,声音表现为多个正弦波的叠加。
对信号进行分析时通常采用传统的傅立叶变换方法,傅立叶变换是时域和频域相互转换的数学工具,从物理意义上讲其实质是将信号分解成许多不同频率的正弦波的叠加。
It is normal to use the FFT method to analyze signals. This method is one kind of mathematical method that changes the time domain signals to frequency domain signal.
What we are going to say is that the wavefunction for molecular orbitals is going to be an additive sum of the wavefunctions of atomic orbitals.
我想说的是,分子轨道的波函数,就是多个原子轨道,波函数的线性叠加。
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