1·Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
2·The optical time-domain echo wave length selecting module of the equipment comprises the following parts: an optical switch and an array waveguide raster.
所述设备包括由光开关和阵列波导光栅组合而成的光时域反射波长选择模块。
3·The singularities of ground Penetrating Radar (GPR) echo wave signals can show the characters of objects or the layer structures under the ground sufficiently.
雷达回波信号奇异点携带了大量地下目标物的信息，是借以分析地下物质结构的重要依据。
4·High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave Dopier spectrum to deduce the parameters of ocean situation.
高频地波雷达近海监测和海态遥感技术是一种利用海洋回波多普勒谱反演海态参数的方法。
5·This article provides the signal-to-noise ratio module of the range-gating photon counting system and discusses the synchronization between the laser echo wave and the detector gate.
本文给出了距离选通光子计数系统的信噪比模型并讨论了激光回波与探测器选通门之间的同步问题。
6·Using simulation echo wave and accurate time delay circuit to measure ranging ability, using CCD to grasp laser facular to measure divergence of laser pulse, the digitized methods are realized.
采用模拟回波和精密延时电路检测照射能力、用CCD采集激光光斑测试激光束散角，实现了整机性能的数字化检测。
7·But an oak which has fewer but bigger leaves with stronger reflections, produces a jagged wave form, or what we called a rough echo.
但是，橡树的叶子少而又大，反射力较强，会产生参差不齐的声波，或所谓的“粗糙回声”。
8·Randlett Lawrence’s frontyard sculpture, “Phantasma Gloria, ” rises above the street in a glittering cobalt blue wave, swaying in the breeze in the Echo Park neighborhood of Los Angeles.
在洛杉矶回声公园附近的街边，矗立起兰德利特·劳伦斯的前院雕塑作品：“幻影颂歌”。 它摇曳在微风中，钴蓝色的波纹闪闪发光。
9·Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性，指出冲激脉冲雷达对超低空目标探测的潜在优势。
10·New Wave music fans may recognize the frozen falls at Gullfoss from the cover of Echo and the Bunnymen’s iconic 1983 album Porcupine.
新潮的音乐迷可能会在《回声》（Echo）专辑的封面和Bunnymen的1983年的金属专辑《豪猪》（Porcupine）中找到黄金瀑布的冰冻的样子。