Perfusion MR images were obtained with spin-echo echo planar imaging (SE-EPI) techniques.
运用自旋回波-回波平面成像(SE - EPI)技术行MR灌注成像。
He went up to the mountains and shouted, "I hate you, I hate you," and back came the echo "I hate you, I hate you." This was the first time that he had heard an echo.
他爬到山上大声喊：“我恨你，我恨你”，就听见回声“我恨你，我恨你”，这是他第一次听到回声。
Essentially, ping sends an echo packet to the device, and expects the device to echo the packet contents back.
简单地说，ping向设备发送一个echo数据包，期望设备把数据包的内容发送回来。
As an important feature, the characteristics of echo stretching affects SNR of received laser echo signal and ranging accuracy.
脉冲展宽特性是激光回波的重要特性，其影响到回波接收信噪比和测距精度。
Using the message type Synchronous echo should result in the successful response echo strings.
使用消息类型Synchronousecho应能得到成功的响应echostrings。
This is the echo wall; standing on the top of a loud cry can feel a very strong echo.
这是回声壁，站在上面大声呼喊可以感受到很强烈的回声。
And in the echo wall of history the sound of my laughter will echo on.
在历史的回音壁内，你定会听到我的笑声！
Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.
回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。
The analysis of the virtual echo such as three -body scatter spike echo, the secondary echo, the side -lobe echo is given echo based on observational re cords of severe convectional weather in 2003.
根据2003年几次强对流天气的观测资料，对其中三体散射长钉、二次回波旁瓣回波等虚假回波进行了分析。
The evolvement of echo during the formation of hail storm and the relation of echo intensity with its height are analyzed by use of echo data. of the 711 rain radar.
本文用711测雨雷达实测的冰雹云过程回波资料，分析了大小回波在雹暴形成中的演变过程以及回波强度和回波高度间的关系。
The algorithm USES an adaptive filter to track the echo path, and an auxiliary filter to cancel the echo together with the adaptive filter.
该算法使用自适应滤波器跟踪回声信道，使用一个辅助滤波器和自适应滤波器一起完成回声消除。
SAR echo base-band signal produce module is the key unit of the SAR echo signal simulator, its design affects the performance of the SAR echo signal simulator.
SAR目标回波基带信号产生模块是SAR目标回波模拟器的关键单元之一，其设计影响到模拟器系统的性能。
The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly.
从对目标坐标测定仪中激光回波率的分析入手，阐明了应用图像取差原理极大地提高了测距系统的回波率的原因。
The simulation results indicate that the generated chaff echo of this method has the same distributions of the actual chaff echo. Thus it proves the correctness of this method.
仿真结果表明，该方法产生的箔条回波信号与箔条实际回波的各项分布特性相同，从而证明了该方法的正确性。
This paper is focused on the adaptive echo canceller, which includes the electric echo canceller and the acoustic echo canceller.
本论文主要研究自适应回波消除器，包括电回波消除器和声回波消除器两个方面。
Moreover, the dense positive CG flashes can also be observed in the strong echo region, while sparse ones are in the weak and stable echo region or cloud anvil in the rear MCS.
密集的正地闪也与强回波区相对应，而稀疏的正地闪则多发生在系统后部的稳定性降水或云砧部位。
There was an echo, and no man ever saw a ghost with a shadow, so why should a ghost's voice have an echo?
刚才的声音有回音，而且也没人看见过鬼魂还有影子。为什么鬼魂的声音还有回音？
The architecture and principle of a video echo simulating system based on PCI buses and DSP (TMS320VC33) is introduced, advances a method of simulating video echo in dummy object condition.
文中介绍一种基于PCI总线和DSP (TMS320VC33)的视频回波模拟系统的组成结构和工作原理，提出一种在虚拟目标环境下视频回波模拟的方法。
Some methods of enhancing detection performance in dealing with the single pulse echo signal and the multi-period pulse bunch echo signal by accumulating are summarized.
阐释了单个脉冲回波信号和多周期脉冲串回波信号，利用积累来提高检测性能的多种方法。
It is often misjudged the flaw echo in ultrasonic examination that the echo signals produced by sound field property and geometrical shape of the component examined according to sound field theory.
超声探伤中，由于声场特性、件几何形状的影响，所产生的各种回波信号常常被误判为缺陷信号。
Echoic utterances can be classified into two subtypes: echo question and echo exclamation, which have special structural characteristics and pragmatic functions.
回声话语可以分为回声问和回声感叹两种形式，其结构特征和语用功能都很特殊。
On this basis, we created simulation models for echo signals of SAR, analyzed several typical errors and got the point target echo with these errors.
在此基础上，建立了SAR回波信号的仿真模型，并针对几种典型的误差形式进行了进一步的分析，得到了带有误差的点目标回波模型。
Compared with the healthy side of the same patient, thickness and echo feature of the skin and subcutaneous tissue, the width and echo feature of the skin nerves were recorded.
均以同一患者健侧对应部位做对照，观察皮肤及皮下组织厚度、回声特征及皮神经的宽度、回声特征。
Yingying Pagoda of Pujiu Temple has special effect of echo. Tn this paple, we study the echo effect for the first time.
本文首次对普救寺莺莺塔的回声效应进行全面分析。
The rest 2 strong echo and 3 mixed echo hemangiomas, displayed the characters of early echo enhancement and early disappearance, and the homogeneous enhancement were seen in hemangioma.
另2例强回声型和3例混合回声型血管瘤表现“早显影、早消退”特点，瘤体呈均匀增强回声团块。
The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.
基于FM信号的无源雷达目标回波信号信杂比低，频带窄，只有开发大动态范围的接收机才有可能接收到微弱的目标散射信号。
NLMS (normalized least mean square) algorithm is widely used in echo canceller. However, due to high correlation of speech signals, the performance of echo canceller based on NLMS is depressed.
NLMS算法是回声消除器中最常用的算法之一，然而语音信号的强相关性使NLMS(归一化最小均方)算法的收敛速度变慢。
The ICMP echo request failed because the source address and destination address that are specified in an ICMP echo message are not in the same scope.
由于ICM P回送消息中指定的源地址和目标地址不在同一范围内，ICM P回送请求失败。
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。
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。
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