echo n. (pl. echoes) 1.回声,反响;共鸣,反映。 2.重复,摹仿;摹仿者;应声虫。 3.【音韵学】与上句末音押韵的诗句。 4.〔E-〕 【希腊神话】山林的女神。 5.(雷达的)回波,反射波。 find an echo in sb.'s heart 得人共鸣。 to the echo 大声,高声 (applaud [cheer] to the echo 大声喝彩)。 vt. 1.使反响。 2.模仿,重复。 3.反射(声音等)响。 echo sb.'s words 随声附和。 vi. 1.发出回声,共鸣 (with)。 2.重复。 3.(桥牌战中)打出报信牌。
Then the processing of echo signal is researched 然后研究了对回波信号的处理方法。
Research on phase aberration of ultrasonic phased array echo signal 超声相控阵回波信号相位偏差的研究
Research on methods of real - time simulation for rf echo signal of 3d targets 体目标射频回波信号实时仿真方法研究
Feature extraction and classification of ground penetrating radar echo signals 探地雷达回波信号的特征提取和分类
The experimental result proves that this sampling method for echo signal is effective 实验证明了使用该方法采样回波信号的有效性。
Study on wavelet denoise and characteristic extraction of echo signal to flaw classification in ultrasonic testing 超声检测缺陷分类的降噪及特征提取问题研究
Radar target simulator is used to generate radar echo signal comprised of target and radar environment 雷达目标模拟器是用于产生包含目标以及雷达环境信息的雷达回波信号。
Because the truths of the echo signal simulation are directly influenced by the accuracy of the simulation algorithms 模拟算法的优劣直接影响着模拟产生的回波信号的真实性。
This paper studies mainly on the cross - components in the underwater target echoes signal processing 本文以时频分析中的交叉项为主线,系统的研究了交叉项在水下目标回波信号处理中的应用。
This project will realize the sar echo signal simulation system , which is valuable in military and civil application 本课题基于硬件实现机载sar回波信号的模拟,具有较高的民用和军用价值。