This paper introduced that the technique of digital image processing could be used in textile fiber testing, Three methods to calculate the threshold were presented.
本文介绍了数字图象处理技术在纺织检测中的应用,提出了三种适用的求阈值的方法。
The Optical fiber Testing System (OFTS) development is very important for maintaining and managing the fiber optic network. OFTS can greatly improve management efficiency and maintain quality.
开发光缆自动监测系统(OFTS)对于实施光缆网络的集中维护管理,提高其管理效率和维护质量具有重要意义。
The fiber undergone robust environmental testing that enables its stability against hydrogen-induced attenuation, to ensure long-term reliability of field installed optical fiber cables.
经过恶劣的环境试验证明,低水峰光纤具有稳定的抗氢气引起的衰减性能,可确保现场安装的低水峰光纤光缆长期可靠地工作。
Finally, several testing methods for fiber fracture are introduced.
研究纤维的断裂有多种近代测试方法。
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades proof testing strain is given.
最后,对筛选试验后的光纤寿命进行了估算,给出了光纤经三个等级的筛选应变后的寿命设计图。
The main test items of optical fiber communication equipment are discussed, and the operation methods of WG-ANT20E transmission analyser in optical fiber communication system testing are introduced.
主要介绍了光纤通信设备的主要测试项目以及WG ANT20E传输分析仪在光纤通信系统测试中的使用方法。
The system performance testing shows that the more stable characteristic of dual-laser controlled erbium-doped fiber amplifier is an obvious advantage over the single-laser controlling.
系统性能测试表明:双激光控制掺饵光纤放大器在稳定性方面比单激光有着明显的优势。
The invention discloses a method and a device for testing vibration performance of an optical fiber coupler for an optical fiber gyroscope.
本发明公开了一种光纤陀螺用的光纤耦合器振动性能测试方法及装置。
Two kinds of reference techniques for proof testing of optical fiber strength as well as the test methods are briefly presented. Optical fiber strength after proof testing is theoretically, analyzed.
简略介绍了两种光纤强度筛选的基准筛选试验设备及其方法,并从理论上分析了筛选试验后的光纤强度。
Principle and process technology, additive, product characteristics and product testing method of water-proof and oil-absorption finishing for staple fiber nonwovens are introduced in the paper.
介绍了短纤针刺非织造布拒水吸油整理的原理及工艺技术、助剂和产品特性以及产品测试方法。
The high temperature well-logging optic fiber cable for heavy oil well is a new special cable for oil field testing.
稠油井用耐高温测井光缆是油田测试中使用的一种新型特种光缆。
The thesis presents basic principle of CRC and rounded circuit design, simulation results, layout design and testing results of a PLL type CRC, which is incorporated in a optic-fiber receiver chip.
本论文给出了时钟恢复电路的基本原理以及采用PLL型时钟恢复电路的完整的电路设计、模拟结果和版图设计,以及将时钟恢复电路集成到光接收机后的测试结果。
The testing method and standardization of carbon fiber and its fabric, prepreg, CFRP are illustrated both at home and abroad, for some testing units reference.
论述了国内外碳纤维及其织物、预浸料、 复合材料的测试方法及标准化,供国内有关测试单位及专业技术人员参考。
The optical fiber sensor is a kind of device which can monitor change of external environment by testing the characteristics of light. It is based on light transmission in fiber.
光纤传感器是根据光纤的传输原理,通过对光纤传光特性的检测来感测外部环境变化的一种装置。
The latest antithrombogenic developments of polyester fiber used in biomedical materials were summarized and some methods for testing the biocompatibility of the biomedical materials were introduced.
主要介绍了目前国内外医用聚酯纤维生物相容性研究的进展,并介绍了评价材料血液相容性的方法。
Designed and built an all fiber in-line polarization parameter testing system. The main portions of this system are the all fiber polarization controller and the all fiber in-line polarimeter.
设计和研制了一套全光纤在线偏振参量测试系统,该系统由全光纤偏振控制器、全光纤在线偏振仪等组成。
Optical power measurement is one of the basic testing parameters of fiber-optic communication system.
光功率测量是光纤通信系统最基本的测试参数之一。
During the testing of micronaire value of cotton fiber by air flow instrument, the experimental environment, test parameters are stipulated by Standards.
棉纤维用气流仪测试中,有关标准规定了测试条件。本文研究其中试验重量允许公差和纤维排列状态的影响。
The problems existed in the several testing methods of rabbit fiber contents, which are notable on theory and applying process, are analysed.
本文分析了几种测定兔毛纤维含量方法在理论上或应用过程中需注意的问题。
OBJECTIVE To determine the dissolution rate of compound sulfamethoxazole tablets with the instrument of fiber-optic in situ dissolution testing (FODT).
目的研究光纤药物溶出度实时测定(FODT)仪监测复方磺胺甲恶唑片的溶出度。
The method is introduced that is the monitoring the concentration of gas basing on fiber sensor. The method has optimum sensitivity and momently testing.
现介绍一种基于光纤传感的瓦斯浓度实时检测技术,具有灵敏度高、可实时检测等优点。
According to the definition of crimp frequency and crimpness, a testing method of staple fiber 's crimp feature is found and the correctness of this method is proved.
根据卷曲数和卷曲率的定义,提出了一种适合于测试较短长度纤维卷曲性能的方法,并对该方法的准确度和精密度进行了论证。
Used for testing indexes of single fiber, such as breaking tenacity, elongation at break, load at specified elongation, elongation at specified load, creep, etc.
用于测定各种单纤维的断裂强力、裂伸长率、伸长负荷、负荷伸长、变等性能指标。
Testing results demonstrate that this new double revolving optical fiber positioning unit device well satisfies the requirements of LAMOST.
测试结果表明,该单元装置完全能满足LAMOST的需要。
The theory and testing methods for single-mode agonic fiber optic collimator are introduced and some fabrication processes are discussed and compared.
介绍了单模无偏准直器的原理与测试方法,并对一些制作工艺进行了讨论和比较。
A calibration method for optical fiber loss testing instrument has been put forward for the metrological verification.
本文从计量检定角度提出一种光纤损耗测试仪的校准方法。
This paper presents an experimental study on a new kind of filter material, i. e. the flat metal belt, with the purpose of testing its use in wet vibration fiber grid.
本文实验研究了湿式振动纤维栅的一种新型过滤材质——扁平形金属丝带。
The tension sensor has unique design, seasonable structure which takes great effects in testing the change of fiber tension in chemical fiber industry and controlling product quality.
这种张力传感器的设计独特,结构合理,将化纤工业中检测纤维张力的变化,控制产品质量起到巨大的作用。
The fiber grating sensing technology is a new testing technology, which has a large number of advantage.
光栅传感技术作为一种全新的测试技术,它具有很多优点。
The fiber grating sensing technology is a new testing technology, which has a large number of advantage.
光栅传感技术作为一种全新的测试技术,它具有很多优点。
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