Its principle is that ultraviolet light from ultraviolet Hg lamp is modulated to pulsed light, stretching forward to produce the fluorescence. 其原理为由紫外灯发出的紫外光被调制成脉冲激励光,通过探头产生荧光。
An illumination unit emits modulated infrared light, which is reflected by the objects in the field of view. 一个照明装置发射出调整好的红外光,能被可视范围内的目标反射出来。
Numerical simulation on steel fluid field and surface fluctuation in mold for slab casting Optimization of the phase modulated characters of phase-only liquid crystal spatial light modulator 板坯结晶器内钢液流动及液面波动的数值模拟纯相位液晶空间光调制器相位调制特性的优化
It introduces the method of modulated light subtracting infrared radiation of atmosphere and background as well as the method of phase-lock-loop detecting feebleness signal. 采用光路差分调制的方法实时扣除背景红外辐射,并采用锁定放大器进行微弱信号的检测。
In virtue of domino offect of Raman scattering, it's scattering light intensity is modulated by temperature, so Raman scattering light can be considered carrier of temperature information and used for temperature demodulation and system of measure temperature. 由于Raman散射具有温度效应,其散射光强度受温度调制,可作为温度信息的载体,用于温度解调及测温系统设计。
Properties of Bacteriorhodopsin's Response to Modulated Light 细菌视紫红质对调制光的响应特性
The modulated underwater laser signal can be detected by using a direct light intensity detecting method. 利用直接光强检测方法可以检测受水下声信号调制的激光信号。
In order to eliminate background light and the inherent noise of system, We Applied the modulated light; 采用光调制技术克服背景光和系统固有噪声的干扰;
Determining the Total Loss of a Passive Resonant Cavity by Amplitude-modulated Light 采用调幅光波测量无源谐振腔的损耗
A Study of Sine Wave Modulated Light EEG Biofeedback 脑电正弦调制光的反馈研究
Polarization modulated light and model for an azimuthal information transmission system 调制偏振光及空间正交方位信息传递系统物理模型
In transmitter, continuous signal of an external laser is modulated into a light pulse sequence by using an acousto-optic modulator. 在发送端利用声光调制器将外置激光器的连续激光分割成周期光脉冲序列,并作为同步光信号发送给接收端。
Investigation on evoked EEG response driven by sine modulated light 正弦调制光诱发脑电响应特性的研究
The photo-acoustic effect results from the absorption of modulated light energy. 粉煤灰光声效应的产生源于粉煤灰材料对入射调制光能量的吸收。
Multi-sensory information is fused using a state-evaluation network based on modulated light detection principle. The optimal control strategy after straying from the line is achieved through Q-learning and the robot ′ s steady and reliable work in different complex unknown environments is realized. 基于调制光检测原理,通过状态评判网络对多传感器信息进行融合,通过Q学习方法获得离线走失后的最优控制策略,实现了机器人在各种复杂未知环境下稳定、可靠地工作。
The time constants of the front line and the after-edge of the modulated light signal were about 131 ns and 18 μ s, respectively. 被调制信号的前沿和后沿时间常数分别约为131ns和18μs。
A wide-band fiber-optic Raman coherent source modulated with a weak signal light 一种用弱信号光调制的宽带光纤拉曼相干光源
The modulated light signal is transmitted though the optical fiber, in the sink of the system, the light signal is transformed into electric signal, the test, process, display of the electric signal is completed by the microcontroller. 用光纤传送被调制后的光信号,光信号在接收端通过光-电转换成为频率变化的电信号,然后送入单片机,进行测试、智能处理和显示。
Applying modulated light to eliminating background light interfering, this also benefits to remove inherent noises of the system; 采用了光的调制技术消除背景光的干扰,对系统的固有噪声也起到了一定的抑制作用;
An introduction to azimuthal information transmission systems based on polarization modulated light is presented, as well as various applications. 文章首先介绍了调制偏振光的物理意义和空间正交方位信息传递系统的应用领域,然后介绍了利用调制偏振光进行空间正交方位信息传递系统的物理模型,并分析了一个具体实现方案。
The ultraviolet light from ultraviolet Hg lamp is modulated to pulsed light, exciting phosphor in probe to emit fluorescence through optical fiber. 由紫外汞灯发出的紫外光被调制成脉冲激励光,通过光纤传输激发探头处的荧光材料产生荧光。
This paper presents overall discussion on the key elements in the optical fiber AM CATV externally modulated transmitter, including demand on light source, choice of modulator, nonlinearity and compensation, clipping distortion and compensation, close loop control on CSO. CTB etc. 就光纤AMCATV外调制发射机的关键问题,即光源的选择、调制器的选择、非线性补偿、限幅失真抑制及CSO和CTB的闭环控制进行了较全面的论述。
In this paper the model of two level atomic momentum spread in amplitude modulated standing light wave was investigated. 分析了二能级原子在振幅调制驻波场中动量扩散模型。
Modulated pulsed laser is utilized to produce specific frequency light current imaging but not direct current imaging to enhance the SNR. The special modulation circuit is designed in this thesis. 6. 采用经调制的脉冲激光束产生特定频率的光电流成像而非直流成像技术,进一步提高了图像信噪比,并设计了专用的调制电路。
It is shown that the band gap of Mg doped CdSe can be modulated to cover almost the whole visible light region. For the Ag and In doped CdSe systems, the type of conduction can be changed, and the concentration of charge carrier can be raised. 我们的研究表明,Mg元素掺杂CdSe可以调节系统的光学带隙,使其光响应范围基本覆盖整个可见光区;Ag和In掺杂CdSe可以改变其导电类型,提高载流子浓度。
The system of modulated light resource is developed and the infrared image sequence processing software for infrared NDT is also developed. 基于红外相位法无损检测原理,设计了国产化检测设备,研制了调制光激励系统,开发了红外无损检测图像序列处理软件系统。
Use the established phase modulated low-coherence dynamic light scattering system to measure particle size in suspension and discuss the influence of solid-liquid interface wall-drag effect on the measurement of particle size by dynamic light scattering. 根据建立的相位调制低相干动态光散射实验系统对悬浮液中颗粒粒径大小进行测量。讨论了固-液界面附近壁的拖曳效应对动态光散射测量颗粒粒径大小的影响。
The pulse position represents the zero position of continuous modulated signal, and the amplitude and width of the laser light pulse remain unchanged. 该方法是通过用等周期脉冲调制激光光波来代替连续光强调制激光光波,即脉冲出现的位置代表原连续调制信号的过零点位置,而激光光波脉冲的幅度和宽度不变。
Modulated light is used as detecting signal in this system, photodiode area array is used as receiving module, which greatly improves the sensitivity and anti-interference ability of the system. 系统采取调制光源作为探测信号,采用光敏二极管面阵作为接收组件,大大提高了系统的灵敏度和抗干扰能力。
Visible light communications ( VLC) technology to transmit information through the modulated LED light source, combining this LED lighting and optical communications technology provides a new wireless transmission. 可见光通信(VLC)技术通过调制LED光源传输信息,这种LED照明和光通信相结合的技术提供了一种全新的无线传输方式。