窄带成像技术将结肠镜常规发射的白光改变为蓝光，以此提供一个较窄的波长，加强结肠表面结构的视觉对比度。
NBI changes the white light normally emitted by the colonoscope to a bluish light, providing a narrower wavelength and enhancing visual contrast of the surface structure of the colon.
探讨窄带成像(NBI)结肠镜对结肠息肉样病变的病理组织类型的预测能力。
To investigate the value of colonoscopy with narrow band imaging (NBI) in predicting the histology of colorectal polypoid lesions.
就目前的泵浦激光条件，采用窄带辐射和黑体辐射可进行水窗波段X光显微成像的实验研究。
With the present lasers, X-ray microscopy can be made using narrow band emission or black body radiation from laser plasmas.
目的：研究内镜窄带成像技术在早期食管癌及其癌前病变的运用价值。
Objective:To study the value of the endoscopic narrow band imaging technique in distinguish the early esophageal cancer and premalignant lesions .
由于相对带宽很大，与窄带系统相比，宽带SAR系统误差对成像的影响更严重。
On account of the wide relative bandwidth, compared with the narrow-band system, large-band SAR system errors impose more severe effect on imaging quality.
窄带滤光片法测量不确定度为0.646%（置信概率约为95%），能满足星载成像光谱仪杂散光测量的工程需要。
The relative uncertainty of the measurement is 0.646% when the fiducial probability is about 95%, which can meet the needs of the stray light measurement.
本文研究了一种用于冲激SAR成像处理的算法——反向投影法，该算法不同于满足“远场、窄带”约束条件下的常规SAR的频域成像算法。
The Back Projection Algorithm adopted in the process of impulse SAR imaging is analyzed in this paper. The algorithm is different from that of conventional SAR imaging formation.
最后，介绍了使用窄带滤光片测量星载超光谱成像仪杂散光的测量系统组成、测量步骤和测量结果。
Finally, the system components, measurement procedure and measurement results of the stray light measurement system, using narrow-band filter, are introduced.
探讨内镜窄带成像技术(NBI)在食管癌及癌前病变诊断中的价值。
To assess the value of narrow-band imaging (NBI) in diagnosis of early cancer and premalignant lesions in esophagus.
因此我们的目的就是比较窄带成像内镜(NBI)和高清晰内镜(HRE)对息肉的检测失误率。
We aimed to compare polyp miss rates with NBI with those of high resolution endoscopy (HRE).
因此我们的目的就是比较窄带成像内镜(NBI)和高清晰内镜(HRE)对息肉的检测失误率。
We aimed to compare polyp miss rates with NBI with those of high resolution endoscopy (HRE).
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