Infrared thermal sensors are used in a wide variety of application which require room temperature operation and uniform sensitivity over a wide modulation frequency range.
热型红外传感器应用广泛，它要求在室温条件下工作，在宽的调制频率范围内具有均匀的灵敏度。
The modulation transfer function(MTF) is one of the fundamental parameters to evaluate the infrared optical lens.
调制传递函数是评价红外光学镜头性能的最基本的技术指标之一。
The chopping modulation circuit model of the pyroelectric infrared camera is introduced. The circuit design and analysis for the circuit model were made.
本文提出了热释电红外摄像机斩波调制的电路模型，并对此电路模型进行了具体的电路设计和分析。
The system can be used to measure the voltage responsivity and detectivity of infrared detector at different modulation frequency with rapid speed and high accuracy, it meets the need of measurement.
该系统可以自动测试不同调制频率下红外探测器的电压响应率和探测率，能够快速准确地完成测试任务，满足了测试要求。
This system senses the amount of rainfall by the infrared rain sensor, and adjusts the speed of wiper based on the fuzzy control algorithm and pulse width modulation technology.
该系统通过红外雨量传感器检测雨量大小，使用模糊控制算法和脉宽调制技术调节雨刷器的速度；给出了系统的总体结构和具体设计方法。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
Selection of active outdoor infrared detectors, active infrared transmitter sent a bouquet of the infrared beam by the modulation, into the infrared receiver to form a cordon.
室外选用主动式红外探测器，主动红外发射器发出一束经调制的红外光束，投向红外接收器，形成一条警戒线。
Several image fusion algorithms, such as contrast modulation fusion, false color fusion and wavelet transform fusion have been adopted to realize the fusion of visual and infrared images.
采用了几种图像融合算法如对比度调制融合、伪彩色融合和小波变换融合法，实现了对红外和可见光图像的融合。
Through keyboard and code generation circuit, coding and pulse modulation vibration with infrared project to form infrared project circuit.
通过键盘及代码生成电路、编码、脉冲调制振荡和红外发射构成红外发射电路。
Secondly, spectral modulation techniques are applied into concentration detection because methane has very weak absorption in near-infrared region.
其次，针对甲烷在近红外波段吸收弱的特点，把光谱调制技术用于浓度检测。
Secondly, spectral modulation techniques are applied into concentration detection because methane has very weak absorption in near-infrared region.
其次，针对甲烷在近红外波段吸收弱的特点，把光谱调制技术用于浓度检测。
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