辐射出的光被称为光子回波，它的观测表明我们对于原子的量子态进行了完全的控制。
The burst of light is called a photon echo; and its observation proved we have full control over the quantum state of the atoms.
普通声纳系统旋转它的电波，可连续或根据运营商的控制，以及对特定回波的最大响应状态被记录为与目标间的联系。
The normal sonar system rotates its beam, either continuously or under the operator's control, and the position of maximum response to a particular echo is taken as the bearing of the target.
用激光回波脉冲控制电子快门来操纵摄像机的曝光时间，是抑制背景噪声的一种有效方法。
Steering exposure time of a camera through control electron shutter with laser echo pulse is an effective method for inhibiting background noise.
超声内窥镜成像系统主要由超声探头激励电路、回波信号接收处理电路、同步控制电路、接口电路以及计算机构成。
The Ultrasonic Imaging System is made up of probe excitation circuit, receiving and processing circuit, synchronous control circuit, interface circuit and computer.
该方案采用三波门跟踪，通过偏差计算电路和反馈控制电路使中间波门中心始终对准目标回波脉冲中心，完成距离跟踪。
The scheme accomplishes range tracking by adopting three range gate tracking to make middle gate always centered at echo pulse center through feedback circuit and deviation calculation circuit.
同时对双向HFC网存在的主要问题：上行通道噪声漏斗效应、各种噪声干扰控制策略、回波反射等进行了说明。
Finally, points out the main problems exists in the HFC network: noise funneling in the re-turn path; control tactics of noise; reflection in the cable.
引信要依据弹目交会状态精确控制炸点，就需要从目标回波中获取信息。
Fuze must obtain information from the echo of target if it wants to accurately control the explosive spot according as the target-missile approaching status.
利用电离层垂直探测中的组合脉冲控制和回波相位测量分析方法，开发并实现了一种电离层扰动观测模式。
This paper presents and realizes an ionospheric disturbance observation mode by using combinational pulses control and echo's phase measurement analysis in ionospheric vertical sounding.
地物和超折射等非降水回波是影响雷达定量探测降水和其他产品的重要因素，利用降水和非降水回波反射率三维结构特征可以对雷达数据进行质量控制。
Non-precipitation echo from radar such as ground objects echo and super refraction and so on are important to explore quantitatively precipitation and the other products.
其实现方法包含两部分：一是通过改变微带传输线长度进而改变电流分布来控制阵元贴片的回波方向；
The implementation contains two parts: one is changing the distribution of the current by controlling the length of transmission line to controlling echo direction of the patch;
本文提出了一种利用大动态范围脉冲幅度自动增益控制技术和数字波形存储技术，实现水下目标信号存储和目标回波波形模拟的方法。
A method for acoustic signal storage and simulation of underwater target is presented in this paper. The techniques of large dynamic pulse gain control and digital waveform storage are applied.
通过界面程序的控制，既可以直接回放原数据文件，又可以加入实时产生的杂波序列，更好地模拟真实雷达回波数据。
In the interface we can choose clutter or not, that is, this will determine that this system replay the original data, or the data with clutter to really simulate radar echo.
本文介绍一种微机控制的声速与温度关系测量系统。温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。
This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
本文介绍一种微机控制的声速与温度关系测量系统。温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。
This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
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