This new study builds upon research by several groups who pioneered the light-echo technique.
这一新的研究建立在数个处于光回声技术前沿团队的研究之上。
The Methodological investigation on the measurement of thickness of downhole casing with ultrasonic pulse echo technique is carried out both in theory and in experiments.
利用理论分析和实验模拟的方法研究了超声脉冲反射技术测量井下套管厚度的方法。
1 echo principle of office decoration, ceiling and floor decoration and other parts, with the first echo technique, not only have to form, can produce the corresponding effect.
呼应原则写字楼装修中，顶棚和地面摆设和其他的部分，采用首位呼应的手法，不仅有利于形体的处理，还能产生对应的作用。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法，这种方法只能检测比较大的缺陷。
The mechanical mechanic knows the technique and technology of the echo mechanism.
呆板的机修工知道共鸣装置的技术和工艺。
So acoustic echo cancellation (AEC) technique has become a hot issue of competition in the famous communication company all over the world.
因此，回波消除技术也就成为世界各大通讯公司竞争的热点技术之一。
Conclusions Echo-tracking technique is a feasible and reliable method for assessing carotid elasticity in children.
结论血管回声跟踪技术是定量评价儿童颈动脉血管壁弹性功能的准确无创方法。
The DDS technique is mainly described, and the basic principle and the composition of the signal simulator are introduced with a complex structure strata echo signal.
同时重点介绍了DDS技术，并以结构复杂的地层回声信号为例介绍了信号模拟器的基本原理及构成。
Objective To evaluate the value of MRI fast field echo (FFE) scan technique in diagnosis of cerebral cavernous angiomas (ca).
目的探讨磁共振快速场回波技术(FFE)在脑内海绵状血管瘤(CA)中的诊断价值。
The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.
几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。
The laser echo acquiring and processing technique is a key technique in laser pulse imaging.
激光回波信号采集和处理技术是激光脉冲成像的关键技术。
Conclusions Echo tracking technique is a simple, high accuracy method to evaluate carotid elasticity in patients with CAD.
左右侧颈动脉参数差异无统计学意义。结论血管回声跟踪技术可以准确评价冠心病患者颈动脉壁弹性功能。
Objective To detect the carotid elasticity quantitatively in end-stage renal disease(ESRD) patients using echo-tracking(ET)technique.
目的探讨回声跟踪（ET）技术对终末期肾病（ESRD）患者颈动脉弹性的检测及其意义。
The technique of T2-weighted fast spin-echo fluid image was used in MRCP. ERCP and PTCwere performed in routine way.
MRCP采用重t 2加权及超快速自旋回波水成像技术进行，ERCP和PTC按常规方法进行。
Using the time-gain compensation and peak time detecting technique, the arrival time of ultrasonic echo can be correctly detected.
采用了时间增益补偿技术和峰值时间检测技术，可正确检测超声波回波的到达时间。
To simulate the sonar echo of the underwater moving target, a high precision and multi-function underwater target simulation technique is proposed.
为了模拟水下运动目标的声呐回波，研究了一种高精度、多功能的水下目标回波模拟技术。
A complex structure signal simulator designed by DDS technique is introduced. It can simulate several kinds of strata echo waves or complex structure signals.
介绍了一种利用DDS技术设计的复杂结构信号模拟器，它可以模拟多种地层回声或复杂结构的信号。
The mechanical mechanic knows the technique and technology of the echo mechanism.
逝世板的机修工晓得共喊安置的技术和工艺。
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
分析了检测信号的特征，并采用截止频率法成功地提取了微弱的缺陷回波信号。
Movement compensation is the key technique in synthetic aperture sonar(SAS) imaging, and it is normally realized in SAS system by the cross correlation of the raw echo data of multiple-receiver.
运动补偿是合成孔径声纳（SAS）成像的关键问题，SAS系统一般利用多接收元回波信号的互相关特性进行运动补偿。
Using the time-gain compensation technique to compensate for ultrasonic waves weaking when transmitting in the air, and reduce the fluctuation of echo signal.
采用了时间增益补偿技术和峰值时间检测技术，可正确检测超声波回波的到达时间。
To solve the laser weak echo detection under the clutter background, A dynamic programming(DP) technique has been developed for the detection of weak targets.
为解决低信噪比下激光微弱回波的检测问题，提出了一种新的小目标检测算法。
Based on synthesizing advantages of the pulse echo and spectral ration techniques, a new method, the equivalent acoustic impedance technique is proposed.
在综合了回声法和频谱振幅比法优点的基础上，提出等效声阻抗法。
The mechanical mechanic knows the technique and technology of the echo mechanism.
（来源：EnglishCN 英语博客基地） 呆板的机修工知道共鸣装置的技术和工艺。
Research on radar image& chart graph overlapping technique in ECDIS was made, object's information from ARPA and radar echo images can be displayed.
开展了海图数据与雷达图像的叠加研究，能够显示来自ARPA雷达的目标信息与雷达回波图像。
The foot echo area health, is our ancestor's precious inheritance, is the nature entrusts with our excellent doctor god technique.
足部反射区健康，是我们祖先的宝贵遗产，是大自然赋予我们的良医神术。
The foot echo area health, is our ancestor's precious inheritance, is the nature entrusts with our excellent doctor god technique.
足部反射区健康，是我们祖先的宝贵遗产，是大自然赋予我们的良医神术。
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