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边缘滤波器
相关语句
  edge filter
     According to the meteyard of edge detection and consulting the design aim of optimal edge filter, this paper discussed the general rules selecting the mother function of wavelet used in edge detection, then constructed a quadric B spline wavelet and presented a method of adaptive thresholds edge detection for image based on wavelet transform.
     根据边缘检测的评价标准 ,参照最佳边缘滤波器的设计要求 ,确定选择用于边缘检测的小波母函数的一般准则 ,并在此基础上构造出二次B样条小波 ,提出了基于小波变换的自适应阈值图像边缘检测的新方法。
短句来源
     The four sorts of wavelength detection schemes are introduced in detail,that are broadband light source/broadband filter or edge filter,broadband light source/tunable filter,broadband light source/interferometric detection and tunable narrowband light source/broadband receiving. Furthermore,the basic operation principles of seven kinds of wavelength-shift detection methods are analyzed,and their characteristics are discussed respectively.
     详细介绍了宽带光源/宽带滤波或边缘滤波器接收、宽带光源/可调窄带接收、宽带光源/干涉接收和可调谐窄带光源/宽带接收四类波长检测方案,分析了几种波长移位检测方法的基本工作原理,并对其特点进行了讨论。
短句来源
     The Study on the Fiber Bragg Grating Demodulation Technique Based on the Edge Filter
     基于边缘滤波器的光纤光栅解调技术的研究
短句来源
     Study on FBG demodulation technique based on edge filter
     基于边缘滤波器光纤光栅波长解调技术的研究
短句来源
     A novel way of edge filter demodulation for fiber Bragg grating(FBG) sensor was put forward,by using a high birefringence fiber Sagnac loop mirror as edge filter to demodulate guasi-linearly FBG sensor wavelength shift in range of about 6 nm.
     利用由高双折射光纤所构成的Sagnac环镜作为边缘滤波器,解调制布拉格光纤光栅(FBG)传感探头所返回信号光的频率漂移,提出了一种新颖的FBG传感解调制方法。 环镜滤波器具有大约6nm的准线性解调制范围。
短句来源
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  “边缘滤波器”译为未确定词的双语例句
     Theoretical Analysis of Characteristics of Cs Faraday Anomalous Dispersion Optical Filtering's Use in Edge Filters
     Cs法拉第反常色散光学滤波应用于边缘滤波器特性分析
短句来源
     The use of Faraday anomalous dispersion optical filtering in edge filters was proposed,which can cover the shortages of edge filters in using resonant transitions in the ~(127)I_2 and ~(129)I_2 molecules.
     提出将Cs法拉第反常色散光学滤波应用于边缘滤波器,以弥补利用127I2和129I2分子的共振跃迁实现分子边缘滤波器的不足.
短句来源
     The results show that there are two steep transmission peaks in line-wing symmetrically in the Faraday anomalous dispersion spectrum of Cs atoms,by adjusting the temperature of atomic vapor cell and the external magnetic field strength,the central frequencies of the transmission peaks in line-wing can be tuned to the desired locations.
     结果表明:Cs原子的法拉第反常色散谱对称地存在2个陡的线翼透射峰,通过调节气室温度和外加磁场强度,线翼透射峰中心频率可以被调节到适当的位置,以满足边缘滤波器的实际需要.
短句来源
     3. According to the criterion of edge detection and consulting the design-aim of optimal edge-filter, this paper discussed the general rules of selecting the mother function of wavelet used in edge detection, construct two type B-spline wavelet function.
     (3)根据边缘检测的评价准则,参照最佳边缘滤波器的设计要求,确定用于边缘检测的小波基函数的一般准则,并在此基础上构造两类B样条小波函数。
短句来源
     Further- more, it analyses several kind of multiplexing addressing and signal demodulation technology and proposes a method, which integrates frequency demodulation continuous wave with wavelength division multiplexing, to solve the multiplexing addressing problem of FBG sensing network. The technology of brim filter waves of double refraction fiber Sagnac brim filter is adopted to demodulate sensing signal. The proposed system scheme is testified to be feasible by theoretical analysis and experimental research.
     并且分析比较了常用的几种复用寻址技术和信号解调技术,提出采用频率调制连续波的复用技术和波分复用技术相结合来解决光纤光栅传感网络的复用寻址问题,采用光纤双折射 Sagnac 环型边缘滤波器的边缘滤波技术对传感信号进行解调,通过理论分析和实验研究证实了系统方案的可行性。
短句来源
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  相似匹配句对
     Edge
     边缘
短句来源
     Edge Enhancing of Noisy Image Based on W—Filter
     噪声图象边缘增强的W滤波器
短句来源
     Adaptive Window Nonlinear Edge-Preserving Filters
     自适应窗非线性边缘保护滤波器
短句来源
     Auto tracked Filter
     自动跟踪滤波器
短句来源
     Experiencing the Edge
     感受边缘
短句来源
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  edge filter
Optical readout uncooled infrared imaging detector using knife-edge filter operation
      
An optical readout uncooled infrared (IR) imaging detector of bimaterial cantilever array using knife-edge filter operation (KEFO) is demonstrated.
      
We proposed a scheme of fiber Bragg grating (FBG) sensor interrogation system based on all fiber Mach-Zehnder Interferometer (MZI) edge filter and tunable-FBG.
      
The accuracy of the homing courses is totally restored by means of an edge filter transmitting in the range λ λ 390 nm (Fig.
      
We tested a dual-energy bone densitometer (LUNAR DPX) that uses a stable x-ray generator and a K-edge filter to achieve the two energy levels.
      
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A principle study of detecting laser frequency signals based on edge technology for atmospheric laser communications is presented. An experimental system is built up in which an iodine cell is used as the edge filter. The experimental results were analyzed in detail. Applying edge technology the communication system has two main advantages, the narrow optical bandwidth and the high stability of laser frequency. So an ultra narrow optical filter with bandwidth about 400MHz can be used in the receiver. The receiver...

A principle study of detecting laser frequency signals based on edge technology for atmospheric laser communications is presented. An experimental system is built up in which an iodine cell is used as the edge filter. The experimental results were analyzed in detail. Applying edge technology the communication system has two main advantages, the narrow optical bandwidth and the high stability of laser frequency. So an ultra narrow optical filter with bandwidth about 400MHz can be used in the receiver. The receiver is only sensitive to the frequencies of the laser signals. Most of the interference of background light field can be eliminated. Some problems exposed in the experiments are discussed.

介绍了利用边缘技术检测激光频率信号 ,实现大气激光通讯的原理。描述了利用碘分子滤波器作为边缘滤波器的原理性实验系统 ,并介绍和分析了实验结果。基于边缘技术的通讯系统拥有很窄的光学带宽和很高的激光频率稳定性 ,系统的光学信号带宽在 40 0MHz以内 ,并且接收系统仅对激光信号的频率敏感 ,可以剔除大气中绝大部分的干扰。对于原理实验的不足之处 ,文中进行了初步的探讨

A novel way of edge filter demodulation for fiber Bragg grating(FBG) sensor was put forward,by using a high birefringence fiber Sagnac loop mirror as edge filter to demodulate guasi-linearly FBG sensor wavelength shift in range of about 6 nm.The experimental results are in agreement very well with the theoretical analysis.

利用由高双折射光纤所构成的Sagnac环镜作为边缘滤波器,解调制布拉格光纤光栅(FBG)传感探头所返回信号光的频率漂移,提出了一种新颖的FBG传感解调制方法。环镜滤波器具有大约6nm的准线性解调制范围。实验结果和理论分析相吻合。

According to the meteyard of edge detection and consulting the design aim of optimal edge filter, this paper discussed the general rules selecting the mother function of wavelet used in edge detection, then constructed a quadric B spline wavelet and presented a method of adaptive thresholds edge detection for image based on wavelet transform. The algorithm was validated using computer emulation, and the result was better than that using fixed thresholds.

根据边缘检测的评价标准 ,参照最佳边缘滤波器的设计要求 ,确定选择用于边缘检测的小波母函数的一般准则 ,并在此基础上构造出二次B样条小波 ,提出了基于小波变换的自适应阈值图像边缘检测的新方法。通过计算机仿真对该算法进行了验证 ,结果明显好于采用固定阈值的小波边缘检测。

 
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