Strict educational standards and sound facilities provide broad prospects for the students to probe the mysterious ocean. 严谨的治学态度和完备的教学设备,为热爱海洋事业的莘莘学子提供了探索海洋奥秘的广阔天地。
This article discusses the research and special usage of a sound and light indicator of a kind of logic pulse probe. 本文介绍了一种声和光指示的瞬间电脉冲检测器的研制及其特殊用途。
A high-pitched whirring sound begins, and a mechanized double-pronged probe pushes itself into his nose. 一阵高频的呼呼声开始响起,一个机械的双分叉头的探针被推进了他的鼻子。
By using a sound speed measurement device composed of probe and CTS-3600 digital ultrasonic velocity measurement, ultrasonic propagation characteristic in near-critical CO2 has been studied. 采用由声速测量探头与CTS-3600数字式超声探伤仪组成的声速测量装置,对超声波在近临界CO2中传播特性进行了研究。
This kind reflexes the sound wave information that come back, be received through this probe again, the course is supersonic and enchanted after graph instrument magnifies, show the screen in the instrument to go up. 这种反射回来的声波信息,又通过这个探头被接收,经过超声心动图仪器放大后,显示在仪器的屏幕上。
The Development of Sound Intensity Probe and Data Signal Processing Module 声强探头与声强数字信号处理模块的研制
Study on the Phase Characteristics of Sound Intensity Probe 声强探头相位特性的研究
Three Ultrasonic flaw detection methods, sound check, small angle longitudinal wave method and skew probe lateral wave method, were used for detection of fatigue cracks of wheel axles for DF 4A and DF 4B diesel locomotives during medium maintenance. 中修时东风4A、4B型机车车轴疲劳裂纹的超声波探伤用三种方法:透声检查、小角度纵波探伤和斜探头横波探伤。
Electrical Compensation Technique for the Phase Error of Sound Intensity Probe 声强探头相位误差的电补偿技术
Emulational Analysis on Sound Field Characteristic of Ultrasonic Phased Array Probe 超声相控阵探头声场特性仿真分析
Influence of the Two-Microphone Cross-Spectral Sound Intensity Probe on the Determination of Sound Power by Scanning 声强传感器特性对扫描声强法确定声源声功率的影响
Clinical Study of Root-Canal Electronic Sound Wave Probe 根管电子探测仪的临床评价
Study on the Spread Angle of the Sound Field of Ultrasonic Creeping Wave Probe 超声爬波探头声场指向特性的试验研究
This paper analyzes the constructions of foreign and native sound intensity measurement equipments deeply, and mainly investigates sound intensity probe and its data signal-processing module in the sound intensity measurement system. 本论文对国内外现有声强测量设备的构造进行了较为深入的了解,并针对其中的声强探头和声强数字信号处理模块进行了细致的研究。
Based on the focusing principle of focusing probe, the paper applied the method changing the sound velocity of lens to make the immersion focusing probe with different focal length, and solved the difficult problem of the lens making. 从聚焦探头的聚焦原理出发,针对水浸聚焦探头的声透镜难以制作的问题,利用改变声透镜的声速的方法,以达到方便制作出不同焦距的水浸聚焦探头的目的。
The effects of the testing parameters on the scan results were analyzed, the testing parameters include incidence angle, water path, gate, gain, sound beam diameter, probe frequency and so on. 对检测参数如入射角度、水声程、闸门、增益、声束直径及探头频率等对扫描结果的影响进行了实验分析。
Influences of Preamplifier Input Impedance on the Phase Characteristics of Sound Intensity Probe 前置放大器输入阻抗对声强探头相位特性的影响
Digital video monitoring system is a kind of intelligent monitoring technology, including cameras for taking video, sound monitoring, probe reporting function and other devices. 数字视频监控系统是以摄像头作为图像获取工具,结合声音监听,报警探测及其它控制设备组合而成的一种智能安全防范技术。
Carefully observe the fibroids the size, number, location, at the same time observe whether intestinal in the sound channel. If necessary, place a cystic between patients 'abdominal and probe to open them. 仔细观察肌瘤的大小、数量、部位,同时观察声通道上有无肠道,必要时在患者腹部与治疗头之间放置水囊以推开肠道。
Arrangement of measuring points in the experimental prototype, to acquired data with a fixed rod will sound intensity probe positioned at the measuring points, then analyzed by PULSE software sound intensity spectrum analysis, to find out the distribution of noise, to identify the noise source. 在试验样机上布置测点,用固定杆将声强探头定位在测点处,采集得到数据,然后由PULSE分析软件声强模块对数据进行频谱分析处理,找出噪声分布情况,确定噪声源。