By means of ingenious measurement of correlative signals upstream and downstream,passing time of corresponding peaks of correlative signals is computed and the motion velocity of rolled objects is indirectly meansured.
介绍利用相关技术对运动物体速度进行在线测量的方法和原理,通过巧妙地采集上、下游相关信号,计算出互相关信号峰值对应的渡越时间,间接测量出热轧材运动速度,并在实践中研制出非接触在线相关测速仪。
A Physical Model of Short Channel MOSFET s Transit Time;
短沟道MOSFET渡越时间物理模型
Design facts in side appending radial three-cavity transit time oscillator
边加载径向三腔渡越时间振荡器设计
A new ultrasonic transit time measure method is realized based on small tube flow-measurement,with the CPLD.
基于小管径流量检测,采用高性能CPLD,实现了一种新的测量超声波渡越时间的方法。
Digital correlation approach is used to find the time of flight(tof) in ultrasonic distance measurement.
采用数字相关的方法确定超声波测距中的渡越时间。
Its modulation rate is 32MHz and work frequency is 180MHz and Cross time is 15ns.
利用铌酸锂晶体为压电换能器,熔石英为声光互作用介质,研制出调制速度为32MHz、工作频率为180MHz、渡越时间为15ns、用于RGB彩色合成中的的声光调制器,文中主要讨论和分析了Q参数与调制器中心工作频率、换能器长度的关系;讨论了R参数对衍射光束形状的影响及与衍射效率的关系,还讨论并确定了换能器最佳尺寸,经测试,高速率声光调制器衍射效率为47%,并测试了调制速度。
avalanche transit time diode
雪崩渡越时间二极管
transit-time microware diode
渡越时间微波二极管
transit time negative resistance diode
渡越时间负阻二极管
transit time ultrasonic flowmetr
渡越时间式超声流量计
IMPATT (Impact Avalanche and Transist Time Diode )
碰撞雪崩及渡越时间二极管
impact avalanch transit time diode
碰撞雪崩渡越时间二极管
impatt oscillator
碰撞雪崩渡越时间二极管振荡器
avalanche transit time oscillator
雪崩渡越时间二极管振荡器
baritt oscillator
势垒注入渡越时间二极管振荡器
Effects of Electron Temperature Distribution on Base Transit Time of SiGe HBT
电子温度对SiGe HBT基区渡越时间的影响
Design facts in side appending radial three-cavity transit time oscillator
边加载径向三腔渡越时间振荡器设计
Study of the Value of Hepatic Vein Transit Time for Diagnosis Liver Disease with Contrast Enhanced Ultrasound;
渡越时间检测对肝硬化诊断价值的研究
Measurement of TTS of Fine-Mesh PMT with Cherenkov Light
用切伦科夫光测量网栅型光电倍增管的渡越时间分散(英文)
Study on the Interplanetary-Flux-Rope's Structures and Analysis to the Shock-Transit-Time Forecasting Method
行星际磁通量绳结构研究与激波渡越时间预报方法分析
Calculations Concerning the Electron Transit Time for an Ideal Cylindrical and an Ideal Spherical Vacuum Microelectronics Diode
圆柱面和球面真空微电子二极管内电子渡越时间的计算
The Study of HAVTT Measurement with Real Time Gray Scale Contrast-Enhanced Ultrasonography in Differentiating Liver Disease
实时灰阶超声造影测量肝动静脉渡越时间在肝脏疾病鉴别诊断中的应用研究
The Clinical Value of Hepatic Artery to Vein Transit Time for Diagnosis Liver Disease with Contrast Enhanced Ultrasound;
超声造影测量肝脏动静脉渡越时间对肝病鉴别诊断的临床应用价值
There is more free time.
空闲时间越来越多。
