fundamental frequencies造句

• The frequency associated with the first mode is sometimes called the fundamental frequency .
  和第一振模相联系的频率有时叫做基频。
• A practical method of identifying the fundamental frequencies of stay cables
  识别桥梁拉索基频的一种实用方法
• Definitions of physical quantities for fundamental frequency and time metrology-random instabilities
  基本频率和时间计量学用物理量定义.随机不稳定性
• Standard definitions of physical quantities for fundamental frequency and time metrology-random instabilities
  基频和时间计量学用物理量标准定义.随机不稳定性
• Test method for moduli of elasticity and fundamental frequencies of carbon and graphite materials by sonic resonance
  用音响共振法测定炭精和石墨的弹性模量与基本频率的试验方法
• Because the fundamental frequency of power system is not invariable, it needs to be tracked and measured
  由于电网的基波频率并非始终不变的，因此需要对实际的电网频率进行跟踪检测。
• 4 kawahara h . interactions between speech production and perception under auditory feedback perturbations on fundamental frequencies . j . acoust
  这个研究表明人们会话的时候在生成语音的同时也感知和处理别人和自己语音。
• Investigating the relationship between the resistive component of the fundamental frequency current and that of the 3rd harmonic current by experimentation with real movs
  通过试验研究了moa泄漏电流中基波阻性电流和三次谐波阻性电流之间的关系。
• Along with the extensive use of power cable lines in power distribution system, the probability of fundamental frequency resonance has greatly increased
  随着配电网中电缆线路的大量使用，出现基波电流谐振的可能性大大增加，威胁系统的正常运行。
• At the same time according to the low recognition rate in speech recognition system, the author used the method of fundamental frequency analysis to build male / female recognition model respectively
  同时针对语音识别系统中识别率不高的问题，采用基音频率分析的方法分别建造男女声识别模型。
• Some protective algorithms are discussed in this paper . most of device for fault location use single algorithm in both record star-up and the extraction of fundamental frequency component in location
  分析了现有的一些保护滤波算法，改进了现有故障录波和测距装置的故障录波启动和测距基波提取采用单一算法的方法。
• The key is that the tone feature is introduced to be the feature parameter . that is to say, the fundamental frequency, the derivative of fundamental frequency and its derivative are used as the feature parameters
  关键技术是引入声调的特征量作为特征参数，利用基频、基频的一阶和二阶差分，作为特征参数，以提高识别率。
• The key is that the tone feature is introduced to be the feature parameter . that is to say, the fundamental frequency, the derivative of fundamental frequency and its derivative are used as the feature parameters
  关键技术是引入声调的特征量作为特征参数，利用基频、基频的一阶和二阶差分，作为特征参数，以提高识别率。
• The classic approaches for fundamental frequencies smoothing, such as linear smoothing, median smoothing and linear interpolation, can not work well in the case of that fundamental frequency is not detected correctly and several continulus frames
  传统基音的平滑方法：线性平滑、中值平滑和一般的线性插值方法都不能很好地处理连续的基音频率有随机错误点的情况。
• The classic approaches for fundamental frequencies smoothing, such as linear smoothing, median smoothing and linear interpolation, can not work well in the case of that fundamental frequency is not detected correctly and several continulus frames
  传统基音的平滑方法：线性平滑、中值平滑和一般的线性插值方法都不能很好地处理连续的基音频率有随机错误点的情况。
• Diode switches or voltage controlled varactors implement dual-band resonators such that they can offer low impedance at the second harmonic of each frequency band, while, in some cases, presenting high impedance at the fundamental frequency as an rf choke circuit
  利用二极体开关或电压控制变容器实施双频共振器以提供在双频操作中每一个频段之二阶谐波的低阻抗，同时在一些实施例里也提供主频段的高阻抗、兼具有射频阻塞电路作用。
• This way has been improved in this paper . whole-cycle fourier differential algorithm is adopted in record start-up to satisfy the real-time requirement . the least squares method is applied to extract the fundamental frequency component in location which has low computing speed but high precision
  故障录波启动采用全波傅立叶差分算法，以满足启动实时性要求，测距所需基波的提取采用最小二乘法，适应其精度要求高而实时性无要求的特点。
• In the thesis, a signal processing scheme of polarization-insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
  本文主要介绍了偏振无关光纤michelson干涉型微弱磁场传感器信号处理的方案:通过闭环控制工作点算法使干涉仪工作在正交工作点处,再利用相敏检波算法提取传感器输出信号的基频分量,以测量直流磁场的大小。
• Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures . then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones
  在此假定基础上,分别将激励频率等于结构基频的简谐形激励、激励频率等于结构基频之半的简谐形激励和锤击激励输入结构,而后比较了损伤前后结构在相同激励下的位移响应、速度响应、加速度响应、加加速度响应和位移积分响应。
• Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures . then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones
  在此假定基础上,分别将激励频率等于结构基频的简谐形激励、激励频率等于结构基频之半的简谐形激励和锤击激励输入结构,而后比较了损伤前后结构在相同激励下的位移响应、速度响应、加速度响应、加加速度响应和位移积分响应。