搜索结果: 1-15 共查到“光学工程 Sensor”相关记录60条 . 查询时间(0.218 秒)
AUTOMATIC REGISTRATION OF GF4 PMS: A HIGH RESOLUTION MULTI-SPECTRAL SENSOR ON BOARD A SATELLITE ON GEOSTATIONARY ORBIT
GF4 PMS Automatic Image Registration Optimal Base Band RPC Correction Spatial Resolution
2018/5/14
Geometric correction is an important preprocessing process in the application of GF4 PMS image. The method of geometric correction that is based on the manual selection of geometric control points is ...
Quantitative Study of High Dynamic Range Image Sensor Architectures
imagers CMOS image sensors high dynamic range analog front end ADC
2015/8/17
Analysis of dynamic-range (DR) and signal-to-noise-ratio (SNR) for high fidelity, high-dynamic-range (HDR)image sensor architectures is presented. Four architectures are considered: (i) time-to-...
A 10 000 Frames/s CMOS Digital Pixel Sensor
ADC CMOS image sensor digital pixel sensor high-speed imaging image sensor memory
2015/8/12
A 352 288 pixel CMOS image sensor chip with perpixel single-slope ADC and dynamic memory in a standard digital 0.18- m CMOS process is described. The chip performs “snapshot” image acquisition, parall...
A 3MPixel Multi-Aperture Image Sensor with 0.7μm Pixels in 0.11μm CMOS
3MPixel Multi-Aperture Image Sensor 0.7μm Pixels 0.11μm CMOS
2015/8/12
Conventional image sensors have improved with technology scaling mainly by reducing pixel size to increase spatial resolution.As resolution approaches the limits of existing optics, is there much to g...
Slow-Light Fiber-Bragg-Grating Strain Sensor With a 280- Resolution
Fiber Bragg gratings fi ber optics sensors
2015/8/7
We report a fiber strain sensor based on a single fiber Bragg grating (FBG) with a minimum detectable strain of 280 in the 20-kHz range. This breakthrough was made possible by operating th...
Flexible Optical Waveguide Bent Loss Attenuation Effects Analysis and Modeling Application to an Intrinsic Optical Fiber Temperature Sensor
Optical Fiber Losses Curvature Sensor Temperature Micro Technology
2013/1/30
The temperature dependence of the bending loss light energy in multimode optical fibers is reported and analyzed. The work described in this paper aims to extend an initial previous analysis concernin...
Design of a Silicon Overlay Glass Waveguide Sensor
Refractive Index Sensor Slab Waveguide Patterned High Dielectric Overlay FDTD Integrated Optics
2013/1/30
A glass based slab waveguide, coated with a thin patterned high dielectric overlay, is configured into a refractive index sensor. The asymmetric nature of the waveguide configuration is exploited by k...
Temperature-Independent Fiber Bending Sensor Based on a Superimposed Grating
Bending measurement fiber-optic sensor super-imposed grating tilted fiber Bragg grating (TFBG)
2013/5/27
A compact fiber bending sensor has been presented by superimposing a uniform fiber Bragg grating (FBG) into a tilted fiber Bragg grating (TFBG). The reflection of FBG is modulated by the same bandwidt...
We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor resulted from self-mixing interferometry was characterized and model...
A fiber loop mirror temperature sensor demodulation technique using a long-period grating in a photonic crystal fiber and a band-pass filter
fiber loop mirror temperature sensor demodulation technique a long-period grating in a photonic crystal fiber a band-pass filter
2013/5/27
A fiber loop mirror (FLM) temperature sensor using a long-period grating (LPG) written in a photonic crystal fiber (PCF) and a band-pass filter as a demodulator is proposed. By utilizing the stable fi...
Highly sensitive fiber loop ringdown strain sensor using photonic crystal fiber interferometer
Highly sensitive fiber loop ringdown strain sensor photonic crystal fiber interferometer
2013/5/27
A highly sensitive strain sensor is demonstrated by introducing a photonic crystal fiber (PCF) Mach–Zehnder interferometer (MZI) in a cavity ringdown fiber loop as a sensing element. The MZI is fabric...
A Temperature-Insensitive Twist Sensor by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Interferometer
Birefringence low-birefringence photonic crystal fi ber optical fi ber twist sensor Sagnac interferometer
2013/5/27
An optical fi ber twist sensor is proposed by using solid core low birefringence photonic crystal fi ber (LB-PCF)-based Sagnac interferometer. The twist effects on the fi ber are theoret-ically analyz...
Novel temperature-insensitive fiber Bragg grating sensor for displacement measurement
Displacement Fiber Bragg grating Sensor
2013/5/27
A novel temperature-insensitive displacement sensor based on a fiber Bragg grating (FBG) is presented. A FBG is glued onto the surface of a specially designed cantil...
High-sensitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror.
High-sensitivity temperature sensor an alcohol-filled photonic crystal fiber loop mirror.
2013/5/27
A compact temperature sensor based on a fiber loop mirror (FLM) combined with an alcohol-filled high-birefringence photonic crystal fiber (PCF) is proposed and experimentally demonstrated. The output ...
Distribution Optical Sensor System on the 610-m Guangzhou New TV Tower
Fiber Bragg gratings Remote sensing sensors
2015/5/25
An FBG sensing network consisting of over 200 sensors are installed on the Guangzhou New TV Tower for long-term monitoring of strain, temperature and inclination to provide a mean for structural healt...