second harmonic

基本解釋

The green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (SHG) device.
綠色發(fā)光二極管激光器提供了絕對優(yōu)勢相比，同等綠色輸出二次諧波產(chǎn)生（倍頻）設(shè)備。
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Second harmonic fragrance: Magnolia grandiflora. Magnolia emit bright light shines in the gorgeous spring day. By jasmine and orchids, it shows Magnolia precious aroma.
諧和香調(diào)二：荷花玉蘭。荷花玉蘭散發(fā)出耀眼的光芒，映照著春日的絢爛。茉莉與依蘭花，更顯出荷花玉蘭的珍貴香氣。
Enhancement of the second harmonic signal in biological tissues with the pulse inversion technique is herein analyzed, based on the theory of the finite amplitude sound wave.
本文基于有限振幅聲波在介質(zhì)中的非線性傳播理論，分析了反相位脈沖技術(shù)對生物組織中二次諧波增強(qiáng)的原理。

二次諧波
Focus on the causes, hazards, and suppression method of second harmonic interference of Z source inverter bus voltage.
重點(diǎn)分析了Z源型逆變器的母線電壓的二次諧波干擾問題的產(chǎn)生原因、危害以及抑制方法。
倍頻過程

二次諧波
Signal to noise ratio (SNR) is improved by using wavelength modulation and second harmonic detection.
同時(shí)結(jié)合波長調(diào)制和鎖相放大器的二次諧波探測技術(shù),提高了系統(tǒng)的信噪比,得到了較高的檢測極限靈敏度。
第二諧波