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- The time frequency analysis remedies the defect that short Fourier translation (SFT) has the same time resolution and frequency resolution to different frequency ranges. 该方法克服了SFT（短时Fourier变换）分析对高、低频段具有相同的时间分辨率和频率分辨率的缺点，弥补了小波变换只能粗糙地模拟基底膜带通滤波器特性的不足。
- Different frequency resolution in human hear. 人耳对不同频率的分别率是不同的。
- At last the simulation result proves appropriate parameters can increase frequency resolution higher. 最后根据仿真结果证明合适的参数设置可以有更高的频率分辨率。
- Frequency resolution is 200 kHz and bandwidth 80 MHz. It has great potential applications in radar warning and ECM. 其频率分辨率优于200 kHz;带宽达到80 MHz;在雷达告警、电子对抗中具有一定的应用潜力.
- The relation between the number of iterations and frequency resolution of EMD is investigated. 研究了迭代次数与EMD频率区分能力的关系；
- It is possible that the computer is of low grade, and the time frequency is too low, please change for a new computer. 有可能是主机档次太低,时钟频率过低,请更换主机。
- It is excellent in frequency accuracy, frequency stability, frequency resolution, fast frequency switching speed and multiple modulated types. 该信号发生器具有输出频率准确、频率稳定度高、频率分辨率高、频率转换速度快、产生调制信号种类多和杂散抑制良好等特点。
- This paper proposes a new method based on time frequency analysis to detect spikes automatically. 本研究提出了一种基于时频分析的癫痫脑电棘波检测方法。
- The nonuniformly sampling has following advantages: alias-free、sampling frequency need not obey the Nyquist limit、and higher frequency resolution. 该文提出一种基于非均匀采样和最小二乘法的间谐波检测方法。
- Secondly, to the nonstationarity of diesel engine noise, this paper focuses on the extraction of time frequency feature using wavelet scalogram. 其次针对噪声信号的非平稳性，研究基于小波尺度谱噪声分量的时频特征分析。
- Calculates the setting range of each parameter in theory,and proves the method of wavelet transformation has higher frequency resolution than the method of FFT. 从理论上计算各个参数的设置范围,并且证明小波变换方法比FFT方法有较高的频率分辨率。
- M. Akay, "Time Frequency and Wavelets in Biomedical Signal Processing," Endorsed by IEEE Engineering in Medicine and Biology Society, pp.211-420, 1998. 翁国正，“应用小波系数临界法于消除助听器背景噪音之技术”，国立成功大学电机工程学系硕士论文，民国九十二年。
- Based on the bandpass sample theory,frequency resolution was improved through the adjustment of ALE s tap structure with the same calculating amount and sample rate. 在不增加计算量和不改变原始信号采样率的条件下,该方法结合带通采样定理,改进了ALE结构,使用ALE最佳权系数获取高分辨频率估计。
- Taking Time Frequency Distribution (TFD) of the radar signal as an image, the method uses image processing algorithm for extracting its singular value. 该方法把雷达信号的时频分布作为一幅图像进行处理，利用图像处理算法提取其奇异值特征。
- Digital waveform generator which use DDS (Direct Digital Synthesize) technology has many merits like high frequency resolution, good stability and easy to generate signal. 基于DDS技术的数字波形发生器具有频率分辨率高、稳定性好、可灵活产生多种信号的优点。
- As planetary healers, we must become aware of the galactic time frequency and learn how to use the natural harmonics of time to our advantage. 身为行星的治疗者，我们必须意识星际时间频率，学习如何使用自然和谐的时间，成为我们的优势。
- The generalized harmonic wavelet can analyze signals in random frequency band, and ensure the frequency resolution unchangingly by a generalized harmonic wavelet transformation. 摘要将二进谐波小波推广到广义谐波小波后，能够对信号的任意频段进行分析，且能够保证信号经过广义谐波小波变换后其频率分辨率保持不变。
- It shows that since 1999 the seismic activity mainly belongs to the tectonic event based on a seismic spectral and time frequency analysis. 火山地震的频谱分析和时频分析结果表明，自1999年以来发生的火山地震主要为构造型火山地震。
- Several precomputed look-uptables are provided as combinations from 8 to 16 bit phase andamplitude resolution.The frequency resolution can is defined asgeneric. 预先计算得到的查找表资料提供8-16位的相位和幅度精度。
- Using computer simulation, the results show that fluctuating wind synthesis with time frequency nonstationarity can reflect normal characteristic of fluctuating wind. 通过计算机仿真分析，结果表明小波重构合成的脉动风具有良好的时频非平稳性，能够反映脉动风特性；
