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- Spectrum peaks were found in the lower frequency area of the vibration signals obtained from the compressor set. 摘要分析某压缩机组振动信号的频谱发现低频处具有较高的谱峰。
- In seri-al resonant receiver front-end not only the signal-to-noise ratio at high frequency arca can be rised ,butalso that one at low frequency area can not be decreased. 对于串联谐振型接收机前端，不仅能提高高频段的信噪比，同时又不牺牲低频段的信噪比。
- Those methods were concluded.The borehole restrained frequency area quantified was applied to prepare a related program for the quantitative prediction of seam thickness. 对这些办法进行了归纳,并采用钻孔约束频域定量预测法(谱矩法)来编制相应的程序进行煤层厚度定量预测。
- Furthermore, it is also found that the transmission spectrum is sensitive to the change of incident angle.When the incident angle is increased, the pass bands shift to the high frequency area. 研究还发现，结构的透射谱对人射角的变化很敏感，人射角增大时，通带向高频区移动；
- The digital image process in frequency area 数字图像在频域中的处理
- He varied the transmission frequency. 他变换了无线电传送的频率。
- FREQUENCY AREA CHARACTERISTICS OF THE TESTING SIGNAL OF PILE INCLINATION 基桩倾斜测试信号的频率域特征
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Research and application of seam thickness prediction method with borehole restrained frequency area quantified 钻孔约束频域定量预测煤厚方法研究与应用
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Distribution features of chlorophyll a and primary productivity in high frequency area of red tide in East China Sea during Spring 东海赤潮高发区春季叶绿素a和初级生产力的分布特征
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- Spread the palpitate frequency love till ending. 循着心跳的频率爱到永不分离。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
