narrow-band相关论文
A dielectric transmittance filter composed of subwavelength grating sandwiched between two few-layers distributed Bragg ......
利用干涉成像光谱仪对目标进行窄带高光谱成像探测具有高光通量、高光谱分辨率和高目标分辨率等优点。按照尼奎斯特定理对窄带光谱......
This paper studies the near transform-limited high-resolution tunable far-ultraviolet light which is generated by narrow......
,Experimental demonstration of narrow-band rugate minus filters using rapidly alternating deposition
The design,fabrication and performance of narrow-band rugate minus filters are investigated in this paper.A method of fa......
For muti-scatter point target and undersampled data, tradintional imaging method has a poor precision for imaging result......
叶面积指数是一个重要的植被生理生态参数,为探讨不同植被指数反演叶面积指数的可行性,基于同空间分辨率不同光谱分辨率的HJ-1BCCD......
摘要：现有的电力载波通信分为宽带电力载波、窄带电力载波两种通信方式，宽带电力载波通信距离短，频谱范围大，应用于短距离小范围内的、......
Diagnostic performance of narrow-band imaging international colorectal endoscopic and Japanese narro
BACKGROUND In recent years,two new narrow-band imaging(NBI)classifications have been proposed:The NBI international colo......
AIM To determine the usefulness of assigning narrow-band imaging(NBI)scores for predicting tumor grade and invasion dept......
目的：探讨红/蓝光照射治疗寻常性痤疮的临床疗效和安全性。方法：将982例轻、中度寻常性痤疮患者分为两组,试验组窄谱红/蓝光局部照射......
本文提出了一种用窄带处理宽频带自适应通信天线阵的方法－频率约束法，并给出了该方法的自适应天线阵结构，用这个方法可在很宽的频带内......
Narrow-band imaging with magnifying endoscopy is accurate for detecting gastric intestinal metaplasi
AIM:To investigate the predictive value of narrowband imaging with magnifying endoscopy (NBI-ME) for identifying gastric......
AIM:To evaluate the diagnostic characteristics of magnifying endoscopy with acetic acid spray and narrowband imaging(MA-......
AIM:To investigate the efficacy of premedication with pronase,a proteolytic enzyme,in improving imagequality during magn......
AIM:To assess the efficacy of endocytoscopic narrowband imaging(EC-NBI)for evaluating the severity of inflammation in ul......
Gastric adenocarcinoma of the fundic gland(chief cellpredominant type, GA-FG-CCP) is a rare variant of welldifferentiate......
BACKGROUND It was shown in previous studies that high definition endoscopy, high magnification endoscopy and image enhan......
为有效地解决窄带下多媒体通信问题,通过对窄带下的图像采集技术及视频压缩技术的研究,提出了基于窄带传输的大容量多媒体压缩方法......
针对基于OQPSK调制的卫星扩频通信系统,研究了一种基于重叠加窗DFT的窄带干扰抑制技术.对满足条件的若干窗函数分别进行了仿真,并......
研究了在被动锁模掺铒光纤环形激光器中加入窄带滤波器对多脉冲产生的影响．在激光器的腔内插入一个窄带光纤布拉格光栅（FBG），限制激射......
为了降低吸波体的雷达散射截面,实现完美吸波,利用超材料的电磁谐振特性,设计了一款开缝双环型结构吸波体。得益于超材料的LC谐振,......
Vitiligo is a common,acquired pigmentary disorder of unknown etiology with great impact on patient’s appearance and qua......
A gastric neuroendocrine tumor(NET)is generated from deep within the tissue mucosal layers.In many cases,NETs are discov......
基于高灵敏度、宽光谱响应的窄带隙共轭聚合物光探测器件的研究取得了突破性进展,受到了学术界和产业界的高度重视,成为了当前光探......
目的：观察窄谱中波紫外线联合咪唑斯汀治疗慢性特发性荨麻疹的疗效。方法：81例患者随机分为联合组42例和对照组39例，其中联合组接受全......
本文提出了一种采用频率抽样方式微机保护用的窄带数字滤波器的方法，并用该方法设计了一种滤出基波分量的数字滤波器。它较之全国波......
Clinical applicability of gastroscopy with narrow-band imaging for the diagnosis of Helicobacter pyl
Premalignant gastric lesions such as atrophic gastritis and intestinal metaplasia frequently occur in subjects with long......
AIM To evaluate the diagnostic effectiveness of whitelight endoscopy, magnifying endoscopy （ME）, andmagnifying narrow-band......
AIM To investigate the performance of magnifyingendoscopy with narrow-band imaging （ME-NBI） in thediagnosis of early gastr......
本文提出一种采用石榴石型铁氧体磁性材料的太赫兹滤波器，利用波导线缺陷和腔内点缺陷的耦合特性，通过改变腔内介质柱半径及分布，实现......
本文介绍了一种基于波长函数ＰＷＦ的标定方法，由于该法以光学标定简化窄带辐射高温计的温度分度，故障低辐射高温计的标定成本，标定精度高，可......
基于Kane方程,建立了含耦合三次几何及惯性非线性项轴向基础激励悬臂梁动力学方程.采用多尺度法,对所得方程进行一次近似展开,着重......
The principle and method of the narrow-band tomo-graphic radar imaging (NBTRI) of the precession cone target are studied......
