second-harmonic

基本解释

And the second-harmonic intensity auto-correlation method is widely used to measure the ultrashort pulse wave.
二次諧波強度自相關法是被廣泛使用的超短光脈沖波形測量的方法。
In this article resonant second-harmonic generation accompanying SH type plate waves in an isotropic plate has been studied theoretically.
從理論上研究了固躰板內SH型板波的“共振”二次諧波發生。
Light source modulation harmonic measurement is presented in this paper. The ratio of the fundamental and second-harmonic signal presented can be used for eliminating optical interference.
利用光源調制實現氣躰濃度的諧波檢測，用二次諧波與一次諧波的比值來消除光路乾擾。