| 1. | Cavity for 8 mm second - harmonic gyroklystron amplifier
二次谐波回旋速调管谐振腔设计研究 |
| 2. | Left atrial spontaneous echo contrast evaluated by thi
二次谐波显像评价左心房自发性声学显影 |
| 3. | Noise analysis of second - harmonic detection with tunable diode laser absorption spectroscopy
可调谐二极管激光吸收光谱二次谐波检测方法的研究 |
| 4. | The study of remote sensing ch4 concentration based on tunable diode laser absorption spectroscopy
波段可调谐二极管激光吸收光谱的二次谐波检测研究 |
| 5. | According to the model , the harmonic voltages at the frequency of 1 oohz at the side of stator are analyzed
在此基础上，本文对发电机定子侧的二次谐波电压进行了分析。 |
| 6. | Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy
基于可调谐二极管激光吸收光谱学对二次谐波检测噪声分析研究 |
| 7. | The conversion efficiency formula of the flat wave for second - harmonic generation was deduced in detail . and that of the gaussian wave for second - harmonic generation also was given in the small signal deliver
详细推导了平面二次谐波的倍频转换效率公式，介绍了小信号近似下高斯光束的倍频转换效率公式。 |
| 8. | Taking the second harmonic generation of gaussian beam in a kdp crystal of type matching for example , the effects of diffraction and walkoff on doubling conversion efficiency have been worked out
以类匹配kdp晶体中高斯光束的二倍频为例，对衍射和离散两种因素对二次谐波转换效率的影响进行了数值模拟计算。 |
| 9. | Point originally possessed the harmful interference of the frequency s every kind of times . enlarge 1 khz sine wave the hour will produce 2 khz of two times wave with 3 khz of three times wave wave for and much higher time
指原有频率的各种倍频的有害干扰。放大1khz正弦波时将会产生2khz的二次谐波和3khz的三次谐波以及许多更高次的谐波。 |
| 10. | Under femtosecond pulse excitation at soonm , shg ( second - harmonic - generation ) emission , the two - photon excited photolumines - cence and a broad emission can easily be detected at 402 . 0nm , 472 . 5nm and 500 ~ 700nm , respectively
研究表明， znse单晶在402lun处产生了二次谐波发射，观察到472 . 5lun处的双光子发射峰和位于500一700iun的宽荧光发射。 |
