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- Dolphins produce a high frequency sound. 海豚可以发出高频音。
- But the timbres present obvious difference;they differentiate into single timbre, dual timbre and complex timbre with a low frequency sound of high amplitude. 但是音色有明显的差异,即分别为单音色、双音色和具有高幅低频声的复合声。
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- There is a whole world of high frequency sound that is silent to human ears. 人类耳朵听不见世界上高频率的声音。
- Harmonics can be added to a wave which has a single frequency to produce a complex wave. 谐音加在单频波上产生复波。
- The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves. 相速度可以告诉我们一个纯正弦波的传播速度。
- The observed signals are filtered and demodulated into a number of single frequency stationary signals. 观测信号经滤波和解线调处理,变换为一系列单频平稳信号。
- Secondly, we generated different single frequency sections by rearranging frequency contents. 然后按照频率重排产生共频率的剖面;
- The hearing aid determines if the sound is a high frequency sound or a low frequency sound. 通过100个滤波器和音素分析器决定哪些声音是高频或低频声,哪些声音是元音和辅音。
- Experimental Studies of Single Frequency DBR Fiber Laser and Temperature Sensing[J]. 引用该论文 黄文财;明海;陈曦曜;谢建平;许立新;王安廷;吕亮;吴云霞.
- Carpets, curtains and soft furniture absorbs mid range and high frequency sound, and this is preferable. 地毯、窗帘和软的家具会吸收中频和高频的声音,产生较好的声效。
- How can this triple-decker system be played over several octaves so as to produce a single frequency? 这种三层系统如何从几个八度音阶当中发出某一个频率呢?
- With the ultra low frequency sound box combination use, may have theacoustics which plentifully shocks. 与超低频音箱组合使用,可产生更加丰满震撼的音响效果。
- Expenses for repairing and maintenance were reduced after the low frequency sound wave deashing device was used. 经采用低频声波清灰装置,减少了检修和维护的费用。
- While single frequency tones worked on certain phone routes, the most common signaling on the then long distance network used Multi-Frequency tones. 而某些单频音调闪耀电话线最常见的则长途信令网采用多频音调。
- The develop ment of novel single frequency devices shows a bright future for near infrared laser diodebased gas sensing. 新型单频器件发展表明近红外激光二极管气体传感具有广阔前景。
- If it is a high frequency sound, the signal is moved to a special DSP processor that determines where the sound needs to be compressed to. 通过特殊的DSP处理器决定高频声应该被压缩到哪里。
- But when the telescope is dallying at a specific point in the sky, there is no point in recording on a single frequency for an extended period of time. 当望远镜在空中某个特定方向上停了下来,在一个频率上记录一大段时间就没什么用处了。
- The results showed that the OSB wallbord composed by OSB,air and glass wool had a good sound absorption property,specially for low frequency sound. 结果表明,由定向结构板、空气层、玻璃棉构成的复合墙体在低频率范围内会出现共振现象,吸声性能比单层定向结构板有显著的增加,但在高频率范围内变化较小;
- Some excellent methods for optimizing the coverage of SFN are reviewed in this paper. A method for constructing single frequency network with low-power transmitters is proposed. 摘要介绍了国际上流行的一些单频网覆盖优化方法,并提出了采用对人体辐射影响较小的小功率发射机进行信号覆盖的方案。