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- frequency doubling circuit 倍频电路
- High power end-pumped intracavity frequency doubling Watt-level green laser[J]. 引用该论文 赵致民;李隆;田丰;李春;白晋涛.
- A brief analysis on frequency doubling at 852nm with BBO crystal has been presented. 简单介绍了BBO晶体852nm倍频的实验原理。
- The frequency doubling effects of the dually doped KTP crystals have been measured by powder frequency doubling method. 结果发现,3种双掺质KTP晶体的粉末倍频效应较之KTP均有所提高。
- Intracavity Frequency Doubling Nd:YAG Laser with Temperature Controling and High-pure KTP[J]. 引用该论文 孙渝明;侯学元;李宇飞;徐士华;刘恩泉.
- Fireresistant Hall device and SmCo rotor is used to design position and speed sensor, and the corresponding doubling circuit and decoding circuit is designed. 采用耐高温的锁定型霍尔元件和钐钴永磁转子分别构成位置与速度传感器,并设计相应的速度信号倍频电路与位置信号译码电路。
- LD pumped intracavity frequency doubling 473 nmNd:YAG/LBO laser with low noise operation[J]. 引用该论文 李义民;檀慧明;付喜宏;田玉冰;王保山.
- When the deformable mirror is drived by the cosinoidal signal, the response equilibrium displacement is frequency doubling cosinoidal. 当变形镜由余弦电压驱动时,平衡位移的响应为2倍频的余弦信号;
- A blue violet laser is described by direct laser diode frequency doubling with a new nonlinear organometallic complex CMTC crystal. 报道了用新型络合物非线性光学材料硫氰酸汞镉(CMTC)晶体实现激光二极管室温下直接倍频,产生蓝紫光激光输出。
- In this paper,the mutagenic effect of HeNe laser,Nd:YAG frequency doubling pulse laser and UV on abscisic acid(ABA) producing strain was compared. 本实验对比紫外、HeNe激光、Nd:YAG倍频脉冲激光对脱落酸产生菌的诱变效果。
- Near infrared spectroscopy consists of frequency doubling and combination band of molecular vibration spectrum.It is absorbed primarily by hydric group. 近红外光谱为分子振动光谱的倍频和组合频谱带,主要是含氢基团的吸收,包含了绝大多数类型有机物组成和分子结构的丰富信息。
- According to physical signification,three metrical methods are introduced: optical communication stimulant method,extremal measure method and frequency doubling modulation method. 根据其物理意义,介绍了三种测量方法:光通信模拟法、极值测量法、倍频调制法。
- Simulation results indicate that the method can detect FHR from the Doppler ultrasonic signals and solve the problems of frequency doubling and halving. 仿真结果表明,该方法能准确地从超声多谱勒信号中提取胎心率,成功地解决了现有的胎心监护仪存在的加倍、减半的问题。
- Methods and mechanism of obtaining single-frequency in all-solid-state intracavity frequency doubling lasers by single-longitudinal-mode ways are described in this paper. 本文详细分析了用单纵模法实现全固态腔内倍频激光器单频输出的各种方法和实验装置。
- An equivalent two source phase domain method for calculating interline fault in the double circuit line is presented. 基于二端口网络理论,采用等值双端电源相分量法进行跨线短路故障计算。
- The adaptive reclosure of double circuit lines on the same tower and its field test technology are introduced. 介绍了同杆双回线自适应重合闸及其现场测试技术,提出了多种试验方法,分析和解决了试验中发现的问题。
- Our company only bid for one newly built 132/33 kV transformer station and 5 km of opening double circuit line in Uttara. 输变电工程公司仅参加Uttara地区 1座新建 132 / 33kv变电站及其 5km破口双回线路的工程投标。
- This paper mainly presents a advanced double circuit sine?wave generator which comprises W77E58, CPLD, AD9835 and other ASIC. 用直接数字频率合成技术和高速单片机W77E58,可编程逻辑器件CPLD,直接数字频率合成专用芯片AD9835等超大规模集成电路来产生具有两路正弦波输出的信号发生器。
- The lightning outage rates on 500kV single and double circuit transmission lines in China are evaluated and compared with that in BPA USA. 对我国500kV第二代单回及对回并架线路的耐雷水平和雷击跳闸率进行了计算评估,并与美国BPA_2的新旧型单双回线路作比较;
- Its light source is a dual pulse and dual wavelength Cr:LiSAF laser. The outputs of secondary harmonic and triple harmonic are realized through intracavity frequency doubling and intracavity Q modulating by BBO crystal. 其光源为一台双波长双脉冲可调谐Cr:L i SAF激光器 ,采用 BBO晶体腔内倍频和腔内调 Q技术 ,实现了二次和三次谐波输出 ;