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- tone frequency estimation 音频评估器
- Fast Frequency Estimation of Single Tone 正弦波频率快速估计方法
- The Cram?r Rao Bound (CRB) for the frequency estimation from Laser Doppler Anemometer (LDA) measurements is derived. 本文推导了激光多普勒测速 (LDA)频率估计的Cram r Rao下限。
- Frequency estimation is one of the key techniques in a DFH communication system. 跳变频率检测是实现DFH的关键技术之一。
- The sinusoid frequency estimation algorithms for all phase spectrum analysis are studied. 摘要研究了应用于全相位频谱分析的正弦波频率估计算法。
- By using a Bayesian maximum likelihood(BML) technique, a high-resolution algorithm is discussed for direction-of-arrival(DOA) and frequency estimation. 根据贝叶斯最大后验估计原理，研究了波达方向及频率估计的超分辨方法，提出了多目标波达方向及频率估计的快速算法；
- A power spectrum compensating algorithm is presented for frequency estimation of single sinusoids in colored noise at low SNR. 摘要针对色噪声条件下的低信噪比单音信号频率估计问题，提出了一种色噪声功率谱补偿算法。
- This algorithm not only is computationally simple and can provide supperresolution frequency estimation, but also is robust to mismodeling errors. 该算法不仅计算简单并可获得较高的频率分辩率,而且对信号模型具有较强的鲁棒性。
- There are different impinging tone frequencies corresponding to helical and symmetric flow pattern. 并且螺旋模态与对称模态对应不同频率的冲击单音,在同一工况下可能存在两种流动模态共存的情况,此时冲击单音也具有多频率特性。
- This paper focuses on the research of the frequency estimation of DFH signal in (colored) Gaussian noise by using ARMA-based method with fourth-order cumulants. 本文利用四阶累积量研究了(色)高斯噪声下基于ARMA建模法的DFH信号频率检测,并针对由于模型阶数估计过高而产生的虚检频率,提出一种充分利用信号先验信息的改进算法。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- Frequency estimation of drill-core recovery by using normal distribution may show a relatively great deviation, but the effect of frequency estimation by using Beta distribution will be better. 应用正态分布对取心率进行频率估计可能会有较大偏差,而应用贝塔分布的频率估计,效果较好。
- In this paper,accuracy of pitch estimation based on two slightly different CQT definitions are discussed. The formulas for calculating frequency estimation error and the minimum length of the window function for a given frequency resolution are presented. 对于两种CQT定义下的频率估计准确性问题进行了讨论,给出了频率估计误差的计算公式和给定音节频率分辨率下CQT窗函数长度应满足的关系;
- To guarantee the unambiguity of velocity estimation, CZT (Chirp-Z transform) is adopted to sample densely in the band in which the target may exist to improve the accuracy of frequency estimation. 给出了速度-加速度联合估计的具体实现步骤以及CZT处理中参数的确定。
- His peremptory tone of voice irritated everybody. 他那专横的口气激怒了大家。
- He had an arrogant tone of voice. 他流露出傲慢的口气。
- Don't speak in an authoritative tone. 不要用一种命令的口吻说话。
- Does the furniture tone in with the curtains? 家具与窗帘的搭配协调吗？
- The frequency estimated by Beta distribution can be used to judge the process capability of coring and to control the process by quality control chart. 据贝塔分布估计的频率,还可对钻探取心的工序能力作出判断,并应用控制图进行工序控制。
- He often speaks in an arrogant tone. 他经常以一种傲慢的口气说话。
