查询词典 optic

The intensity modulation method is the oldest and simplest method for fiber-optic sensor, in which a homochromatic laser is used as system light source.

强度法是干涉型传感器采用的最古老、最简单的方法，它采用单色激光光源作为系统的光源。

The dissertation discusses the principle of interfereometer optic-fiber accelerometer using phase-generated-carrier and the homodyne detection technology in details.

论文详细阐述了相位载波干涉型光纤加速度计的基本原理和PGC零差检测技术。

Dynamic range analysis of Mach-Zehnder fiber optic interferometer using PGC homodyne detection scheme .

采用PGC零差检测方案的Mach-Zehnder光纤干涉仪动态范围分析。

Fiber optic sensor ; phase modulation ; demodulator ; passive homodyne method ; Labview

光纤传感器；相位调制；解调；无源零差法； Labview

A novel passive homodyne fiber-optic hydrophone of acoustic low-pass filtering.

一种具有声低通滤波特性的无源零差光纤水听器。

Fibre optic sensors ; Optical interferometers ; Homodyne ; Phase shift

光纤传感器；光学干涉仪；零差；相移

A case is presented in which a 40-year-old patient with a previous history of renal transplant and chronic necrotizing sinusitis, developed rapidly painless deteriorating vision, hyperemic optic disc and limitation of ocular movements in the left eye within one week.

本文报导一位四十岁女病人，曾经在四年前接受肾臟移植，並有长期的慢性蓄脓鼻竇炎，左眼突然在一週內发生无痛性视神经炎以及左眼眼球运动障碍。

Methods 47 skull base surgery procedures were performed with the help of image navigation. There were 43 cases of sellae hypophyseal adenoma, 1 lateral sphenoidal sinus cyst, 2 sphenoidal sinus osseous tumor and 1 optic canal fracture due to traumatic lesion.

应用Stealth Station影像导航系统经鼻内镜对47例鼻颅底外科疾病患者（43例鞍区垂体腺瘤，1例蝶窦囊肿，2例蝶窦内骨瘤，1例外伤性视神经管骨折）进行手术。

Methods: Under the operative microscope, the pituitary adenoma in the 44 patients were resected through the 4 anatomical spaces via transpterional approaches. Attenion was paid to protecting the important structures including the optic never and ICA, and superior hypophyseal arteries.

在手术显微镜下经冀点入路鞍区四个解剖间隙切除垂体瘤44例，术中注意保护肿瘤周围的视神经、ICA及发出的垂体上动脉。

Results According the MRI characteristric of hypoxic-ischemic encephalopath sequela:(1)The most common findings were white matter injury in 47 cases:①Periventricular leukomalacia in 23 cases;②Selective cerebral neuronal necrosis of basilar node lentiform nucleus and optic colliculus in 9 cases;③Corpus callosum damaged in 15 cases;(2)The most damaged of grey matter in 18 cases;(3)Focal or multifocal ischemic crerbral intenerate in 9 cases;(4)Diffuse crerbral injury in 5 cases.

结果 根据儿童缺血缺氧性脑病后遗症的MRI影像特点，将其分为：(1)脑白质损伤为主：47例；①脑室周围脑白质脱髓鞘、软化：23例；②基底节豆状核、视丘神经元选择性损害：9例；③胼胝体受损变薄：15例；(2)脑灰质损害为主：18例；(3)局部或多处脑软化：9例；(4)广泛脑损害：5例。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。