您要查找的是不是:
- METHODS FOR MEASUREMENT OF THICKNESS BY ULTRASONIC PULSE ECHO TECHNIQUE 超声脉冲反射法测厚
- General rule of ultrasonic testing of metals by pulse echo technique 金属材料超声脉冲回波检测的一般规则
- General rule of ultrasonic testing of metalsby the pulse echo technique 利用脉冲回波法的金属材料超声波探伤试验方法基本规定
- TESTING METHOD FOR ULTRASONIC PULSE ECHO TECHNIQUE OF CARBON FIBRE REINFORCED PLASTIC PANELS 碳纤维增强塑料板的超声脉冲回波法检测
- METHOD FOR ASSESSING THE ELECTRICAL CHARACTERISTICS OF ULTRASONIC TESTING INSTRUMENT USING PULSE ECHO TECHNIQUE 超声脉冲回波检测仪电子性能评定方法
- Method for measurement of ultrasonic attenuation coefficient of solidby pulse echo technique 利用超声波脉冲回波法的固体超声波衰减系数测量方法
- Methods for assessing the electrical characteristics of ultrasonic testing instrument using pulse echo technique 超声波探伤仪器电器性能测定方法
- pulse echo technique 脉冲反射探伤法
- Pulse Echo Method (PEM) is a fast,economic and feasible method for Low-strain Dynamic Testing(LDT)of piles. 小应变反射波法是当前在工程桩基检测中应用的动测法之一。
- Physical characteristics of terrestrial surface targets are retrieved by information contained in laser pulse echo signal with laser altimeter. 摘要激光测高仪依靠回波信号包含的信息来反演地面目标的物理特性,因此必须保持回波信号的保真度和高信噪比。
- Dynamic sonic vibration,pulse echo method,backscatter method,dual transducer methods and ultrasonic spectroscopy analysis were often used for ultrasonic testing. 超声检测方法主要有声振法、脉冲回波法、背散射法、双探头法和超声谱分析法。
- In the process of ultrasonic testing of multi-layered interface, it is difficult to distinguish interface-echo from ultrasonic pulse echo because of peculiar structure. 摘要超声检测在多界面粘接检测应用中,由于多界面结构的特殊性,造成回波信号不易分辨。
- Acoustic Short Pulse Echo Classification Technique 音响短脉冲回音分类技术
- This system adopts ultrasonic pulse echo to measure distance,uses temperature sensor DS1624 to obtain ambient temperature which is used to compensate the measurement errors by soft programming. 该系统采用超声波脉冲回波测量方法测量摊铺料厚度,利用温度传感器DS1624测量环境温度,通过软件对温度引起的测量误差进行补偿;
- Using the characteristics of pulse echo singal during the probe adjustment, a relation model between angle of incidence and time-domain eigenvalue of reflect wave signals was proposed. 分析了探头调整时脉冲回波信号的变化特点,在实验的基础上构建了声束入射角与表面波时域特征值间的关系模型。
- The Pulse Echo Tool(PET-AB) is introduced by Halliburton Logging Service Inc. of America at the early days of the ninties, which is the supported downhole tool of the DDL-V well logging system. AB脉冲回声测井仪是90年代初期由美国哈里伯顿公司引进的与DDL-V测井系统配套的井下仪器。
- The simple and intuitionistic formulas were given based on pulsed echo principle, in which the effect of dispersion and transverse sensitivity were considered. 基于脉冲回波原理,并考虑频散及横向效应等因素的影响,提出了减小频散影响的修正系数,并据此给出了简单、直观的管道裂纹检测公式;
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The technique is still at the experimental stage. 这项技术正处于实验阶段。