It is advisable to attach a radiation filter plate in front of your computer's screen to reduce the hazard of radiation. 在电脑屏幕前加一个防辐射过滤板是很明智的。
Slow component suppression and γ radiation hardness of BaF_2 crystal modified by photonic band multilayer filter 加载光子带隙膜系BaF2晶体闪烁光慢成分抑制和抗γ辐照损伤的研究
The variation of optical spectrum of a special kind of optical fiber has been reported after γ-radiation, which may be used as a new kind of optical fiber filter. 报道了2种结构的大芯径石英光纤在辐照后的光谱特性的变化,发现掺杂光纤在Υ辐照后具有光学滤波作用,由此可利用这种特性研制一种新型的光纤滤波器。
This paper introduces an electromagnetic radiation detecting and alarming system for individual soldier. The system is composed of single chip micyoco ( SCM) MSP430, low-noise amplifier, detector, low-pass filter and alarming circuits. 介绍了单兵电磁辐射剂量监测与报警系统,主要由单片机MSP430、宽频带低噪放大器、检波器和低通滤波器以及相应的报警电路构成。
A new microstrip bandpass filter is proposed on the based of traditional square filter in this paper, which solves the problems of radiation loss and big volume in the traditional filter. 在传统方形双模滤波器的基础上,提出了一种新的微带带通滤波器结构。该结构很好解决了传统滤波器的辐射损耗和体积大等问题。
The Development of a New Type High Efficient Radiation Self-washing Filter 一种新型高效幅射自清洗过滤器的研制
Optical fiber radiation pyrometer is intensively investigated. Based on the principle of blackbody radiation and by using double-wavelength approach, wavelet filter is adopted for denoising to obtain higher temperature-measuring accuracy. 本文对光纤辐射温度测量仪进行了研究,利用黑体辐射原理,采用了双波长的方法,引入了小波滤波进行消噪,提高了系统的测温精度。
Al. Observation of surface sunny ultraviolet radiation is mainly done by the UV spectroradiometer and filter ultraviolet radiation meter. 紫外线辐射强度的观测主要使用紫外光谱辐射计与滤光片式的紫外辐射表。
Study on reduction of patient radiation dose with stainless steel filter 不锈钢滤片对降低放射剂量的研究
Radiation Source Search System Using an Oscillating Filter 利用振荡滤波器的辐射源搜索系统
This paper analyses the principle of electromagnetic interference from on-off power, puts forward the suppression measures to the electromagnetic interference, and emphasizes and introduces the design of EMI filter and the radiation EMI suppression, and also the prospect the development of EMI filter. 分析开关电源电磁干扰的机理,提出相应的抑制措施,重点介绍EMI滤波器的设计以及对辐射EMI的抑制,同时展望EMI滤波器的发展趋势。
Using Synchrotron Radiation X-Ray ( high intensity, high energy, high collimation, wide spectrum and optional wavelength), the projection images were obtained for material specimens, and 3-D images were reconstructed by Synchrotron X-Ray Computed Tomography technique with filter backprojection arithmetic. 借助同步辐射硬X射线高强度、高能量、高准直、宽频谱以及可选能量等特点,对材料试件进行投影成像,并应用滤波反投影重建算法实现三维图像重建(SynchrotronX-RayComputedTomography)。
The system is able to get the radiation image gray-level at a single wavelength by loading the filter in front of the CCD and then calcuates point temperature or uniform temperature field of radiation object by applying the two-color theory. 采用高灵敏度黑白线阵CCD实现辐射体单点温度或均匀温度场测量。通过在CCD前加载滤光片获取单波长下的灰度输出,运用比色法获取辐射温度。
Considering the radiation problem of filtering resulting from the inaccurate model of the Kalman filter, data fusion algorithm based on the fuzzy Kalman filter is advanced. 并针对卡尔曼滤波因模型不准确而导致的滤波发散问题,提出了模糊卡尔曼的数据融合算法。
Standard X-ray radiation device including X-ray machine system, automatic filter, positioning and monitoring system, control software. 产生电离电流的X射线标准辐射装置主要包括光机系统、自动过滤装置、定位和监测系统、控制软件等。
Later, a further improvement to this filter is made by reducing the radiation loss of the filter, which can improve the in-band and out-of-band performance. 随后,采用降低辐射损耗的方法,对其进行了进一步的改进,改善了带内带外性能。