计算无线电波回声的时间乃是雷达运行所依据的原理。
Timing an echo of radio waves is the principle on which radar operates.
对于单一的乐器，比如钢琴独奏会，一个回声时间短的房间更好。
For a single instrument, say something like a piano recital, a room with a short reverberation time is better.
他收集的数据得出了一个关于房间回声持续时间、吸音材料的数量和质量以及空间体积之间关系的数学公式。
The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantity and quality of sound-absorbing materials, and its spatial volume.
他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
回声返回所耗的时间越长了。
回顾了实验室中超声波测量Q值的四种常用方法：上升时间法、回声法、频谱振比法和波形反演法。
The four common ultrasonic methods for measuring Q value in the laboratory, rise time, pulse echo, spectral ration and waveform inversion techniques are reviewed.
通过测量敲打和回声之间的时间间隔可以计算出该处海洋的深度。
The depth of the sea at that point can be calculated by measuring the time interval between the taps and the return of the echoes.
在船体外壳上敲打发出的声音会从海底反射。通过测量敲打与接受回声的间隔时间，这一点的海底深度就可计算出来。
A sound made by tapping on the hull of a shop will be reflected from the sea bottom, and depth of the sea at that point can be calculated.
关键是要听取打击一口气没有得到答复，一个更绝缘回声效果的时间越长，脆的说明以及！
The key is to listen to a blow in one breath with no response, an echo effect of the more insulation the longer the crisp note well!
离开坚实的障碍物越远，回声返回所需的时间越长。
The further off this solid obstruction the longer time will elapse for the return of the echo.
ESN(回声状态网络)是一种新型的递归神经网络，可有效处理非线性系统辨识以及混沌时间序列预测问题。
As a new type of recurrent neural network, echo state network (ESN) is applied to nonlinear system identification and chaotic time series prediction.
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。
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.
终于有了回音——令人惊讶的是，这回声近在咫尺，高亢嘹亮，一样的充满孤独和凄凉。一时间叫喊声此起彼伏，一片喧腾。是狼群！阿尔瓦雷斯一边微笑一边点着头，朝声音的方向走去，进入森林的黑暗之中。
Finally an answer comes, surprisingly close and loud, the same sad sound rising to exultation: the howl of a wolf. álvares smiles and nods, then walks toward the sound, into the darkness of the trees.
亲吻的声音是作为一门大，不是那么响亮，但其回声持续大量的时间。
The sound of a kiss is not so loud as that of a cannon, but its echo lasts a great deal longer.
本文主要通过对传统回声状态网络(esn)的结构和学习机理的研究，探讨了回声状态网络对混沌时间序列的预测方法。
In this paper, the traditional echo state network (ESN) through the structure and learning mechanism of the study, on the echo state network prediction method of chaotic time series.
本文主要通过对传统回声状态网络(esn)的结构和学习机理的研究，探讨了回声状态网络对混沌时间序列的预测方法。
In this paper, the traditional echo state network (ESN) through the structure and learning mechanism of the study, on the echo state network prediction method of chaotic time series.
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