loop n. 1.(用线、带等打成的)圈,环,匝,框,环孔,线圈;【医学】(常 the loop)宫内避孕环。 2.环状物,塔环,拎环。 3.(铁路上的)让车道,环道。 4.【无线电】回路,回线,波腹,环形天线。 5.【数学】自变;【计算机】循环;(程序中)一群指令的重复。 6.【航空】翻圈飞行,翻筋斗;【溜冰】(单脚)打圈儿。 7.〔美国〕闹市区;〔the L-〕 芝加哥的商业区。 a safety loop保险圈。 a wire loop钢丝套圈。 knock [throw] for a loop 〔美俚〕 1. 使神志不清;打昏,使醉倒。 2. 给人极好的印象。 3. 出色地通过[做成]。 on the loop 〔美国〕在匆匆旅行中。 out of the loop 在圈内人物之外的,不在…圈子内的。 vt. 1.使(绳等)成圈,打成圈;【电学】 把导线连成回路。 2.用圈围住;(用环)箍住。 (up back). 3.使作成环状运动;【航空】翻筋斗。 vi. 1.打环,成圈。 2.【航空】翻筋斗。 3.(像尺蠖似的)伸屈前进。 loop the loop 【航空】翻筋斗;(骑自行车等)兜圈子。
Because of different velocity through inductive loop detector , sample ware has flexibility 因为车辆每次经过感应线圈时的速度不同,所以采样波形存在伸缩变化。
For long time , a kind of device called physical inductive loop was used extensively in vehicle ' s count and violation drive , which detect vehicle by inductive loop buried in surface of ground 在虚拟线圈的检测技术中,利用平均绝对差分值最小的模块匹配准则,用当前图像的某一宏块在下一帧内搜索最优匹配。
Virtual - loop ' s function is similar with the inductive loop sensor . each lane can have one or two virtual - loops to detect its traffic parameters . this method avoids the complicated vehicle identification , extraction and tracking 虚拟线圈的作用类似于电磁感应线圈,每个车道可以设置一到两个虚拟线圈来检测交通流参数,该方法的特点是避开了在二维图像空间中进行复杂的车辆特征提取与跟踪。
The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps , the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads , the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen . the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy 不锈钢电极上电积镍的电化学阻抗行为表明氨络合物体系镍电沉积过程是二次放电过程,中频感抗弧是由于中间吸附产物nioh _ ( ads )的弛豫现象引起,低频容抗弧可能是由于吸附氢原子对镍结晶的阻滞作用引起,依据实验结果提出了氨络合物体系镍电沉积的反应机理和等效电路模型。
The thesis content came from vata ltd . request , which is a vehicle classification system based on inductive loop detectors , made up with data collection sample wave character extracting and automobile type pattern matching . this paper introduces principle of data collection and hardware frame , and examples some common automobile type of data ware at the same time 本文根据优创集团泛安科技开发(石家庄)有限公司关于保定至天津高速公路机电设备更新项目的要求,设计了一种基于感应线圈的车型识别系统,该系统主要由数据采样、采样波形特征提取及车型模式匹配三大部分组成。
The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched . firstly , a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency . researching the near field inter - inductive characters , the relationship among the inductive efficiency , the perimeter and the conductor width of the antenna is found out 本文在对ctcs中的点式应答器系统原理及组成进行分析和消化的基础上,对系统中信道的几个关键技术进行了详尽的研究,主要分为三个方面: 1 ,提出并研制了新型的片式环形磁感应天线,并对传输能量载波的天线的近场互感特性进行了分析,得到互感效率随天线的周长大小以及导带宽度的变化规律,并通过计算机仿真和试验对天线的近场波瓣图进行了研究;通过分析宽带匹配技术中的实频法理论,设计了信号载波天线的宽带匹配网络。
Conventional detectors , for example , inductive loop , detectors using ultrasonic , microwave , or infrared , have been put into use for several decades . meanwhile , a promising approach , video - based measurement system , has developed quickly . since it has many advantages , for instance , wider - area detection and superior flexibility , many researches have been done in this area 交通流检测器有电磁感应线圈、超声波检测器、微波检测器和红外光标等多种方式,而基于图像处理的视频检测方式近年发展很快,因为它具有大区域检测、设置灵活等优越性,已成为智能交通系统的一个研究热点。