查询词典 acoustics

No doubt, the more the information, the better the processing effect will be. The technology of acoustic pressure and particle velocity combined processing is expected to bring new life to the developments of signal processing of underwater acoustics and sonar technology, which is the main content of this thesis.

更多的信息量必然带来更好的处理效果，基于组合传感器的声压、振速联合处理技术有望给水声信号处理和声呐技术的发展带来新的活力，这正是本论文的主要研究内容。

The knowledge of physiological acoustics and psychological acoustics is the basis of the research of 3D sound technology.

对人类生理声学和心理声学的了解是研究三维声音技术的基础。

According to the theory of wave acoustics and ray acoustics,train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.

根据波动声学和几何声学原理，将列车看作一运动着的有限长线声源，建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。

Based on the music score of Chopin etude OP.25 No.6 which published in due form or can be searched in the bibliotheca in foreign languages in our country and the acoustics data which played by some masters in this field, combined with the means of empiricism and case study, we can find the differences between the editions of music score by compare the sources of the score, the prolegomena, the meter sign, the dynamics sign, the speed sign, the pedal, the legato line, the fingering sign, the expression mark and the note sign, and also, by the acoustics data played by masters.

本文在肖邦练习曲 OP.25 之 6 国内现行正式出版的几种乐谱版本和国内可以检索到的馆藏外文乐谱版本以及一些大师的音响资料的基础上，结合经验性研究与个案分析方法，通过对乐谱来源、编辑前言、以及乐谱中的拍号标记、力度标记、速度标记、踏板标记、连线标记、指法标记、表情术语、音符等的异同进行比较，以及对不同肖邦作品演奏大师的录音比较，借以发现版本间的差异。

The technical community until 1992 with the introduction of Dr. Christian Heil's line array design, called V-DOSC, for France's L-Acoustics.

直到1992年引进博士基督教詹尼弗海尔的线阵列设计，所谓的V型DOSC ，为法国的 L-Acoustics。

Communication acoustics, the result of interpenetration between information technology and acoustics, is now getting a big extension in its researches and applications, due to the development of DSP technology.

作为声学与信息技术相互渗透的产物－通信声学，近十几年来随着数字信号处理技术的发展，其研究和应用领域得到了很大的扩展。

RELIABILITY MTBF 600,000 hours Unrecoverable read errors 1 in 10^14 POWER Average idle current 5.0 watts Average seek power 7.30 watts Standby power 1.4 watts Sleep power 1.07 watts Maximum start current, DC 2.0 amps ENVIRONMENT Ambient Temperature Operating 0 to 60 degrees C Nonoperating -40 to 70 degrees C Maximum operating temperature change 20 degrees C per hour Maximum nonoperating temperature change 30 degrees C per hour Maximum operating case temperature 69 degrees C Relative Humidity Operating 5 to 90 Nonoperating 5 to 95 Maximum allowable humidity change 30 per hour Altitude Operating altitude -60.96 meters (-200 feet) Operating altitude 3,048 meters (10,000 feet) Nonoperating altitude -60.96 meters (-200 feet) Nonoperating altitude 12,192 meters (40,000 feet) Shock Operating vibration 0.50 Gs Operating Shock 63 Gs at 2 msec Nonoperating Shock 350 Gs at 2 msec Vibration Operating vibration 0.5 Gs at22-350 Hz Nonoperating vibration 5.0 Gs at 22-350 Hz ACOUSTICS Acoustics 2.6 bels Acoustics 2.7 bels

可靠性 平均无故障工作时间六十点○万小时不可恢复读错误1 10 ^ 14 电力平均闲置电流五点○瓦特平均寻求权力7.30瓦特待机功耗一点四瓦特睡眠电力1.07瓦特最大启动电流，直流二点〇安培环境常温经营0至60摄氏度非经营性-40 ℃至70摄氏度最大运行温度变化20摄氏度，每小时非经营性最大温度变化30摄氏度，每小时最大运行外壳温度69摄氏度相对湿度操作5至90 非经营性5日至95 最大允许湿度变化每小时30 高原高空作业-60.96米（-200米）操作高度三〇四八米（ 10000英尺）非经营性高度-60.96米（-200米）非经营性高度一二一九二米休克操作振动0.50亚基操作震动 63亚基在2毫秒非经营性休克 350亚基在2毫秒振动操作振动0.5气孔at22 - 350赫兹非经营性振动5.0亚基在22-350赫兹声学声学 2.6分贝声学仅有2.7分贝

The method and results provide significant guidance and valuable reference for auditoria acoustics design, improvement of room acoustical environment and environmental acoustics research and have wide application prospect.

本文的方法和结果对厅堂音质设计、室内声环境改善、环境声学研究等具有指导意义和重要参考价值，具有广阔的应用前景。

The relationships among simulated objective acoustics parameters are discussed and analyzed. The experimental results of Chinese speech intelligibility are compared and analyzed under diotic and dichotic listening conditions with earphone and loudspeaker reproduction. The relationships between Chinese speech intelligibility scores and objective acoustics parameters are also studied and analyzed under above two listening conditions.

通过软件仿真，探讨分析仿真结果之间的关系；比较分析了采用耳机、扬声器重放在双耳无差别听闻和双耳有差别听闻条件下的汉语语言清晰度主观评价结果；探讨、分析客观声学参数与两种听闻条件下的汉语语言清晰度得分之间的关系和规律。

Meanwhile,it was pointed out in this paper that flexible pole-oilstone holder could be considered as a single vibrations system when designing acoustics subsystem,as pioneers a new in designing acoustics system of ultrasonic honing.

文摘：经试验证实了超声珩磨声学系统中存在着局部共振现象，指出&挠性杆-油石座&振动子系统设计时可作为一个单独的振动体系进行考虑，为超声珩磨声学系统设计开辟了一条新的思路。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。