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- 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 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- As the result of limited frequency resolution in the course of FFT and the noise,the accuracy of modal parameters identification is influenced by the frequency response function estimation. 由于FFT过程中截断及舍入等误差的存在以及噪声的影响不能完全克服;采用此方法估计的频响函数来识别模态参数;其精度受到影响.
- This paper introduces an improved direct digital frequency synthesis(DDFS) realization method based on CORDIC arithmetic,applying CORDIC arithmetic to substitute large SIN ROM to export fine frequency resolution. 提出了一种基于CORDIC算法的改进直接数字频率合成(DDFS)的实现方法,应用CORDIC算法替代了庞大的传统正弦函数ROM,输出高质量的信号。
- 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;
- Through the research of direct digital synthesizer (DDS) used as a divider in phase lock loop (PLL), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized. 摘要通过对直接数字合成器在锁相环路中作为分频器应用的研究，使频率合成器可以在实现超细频率分辨率的同时达到高的频谱纯度。
- A novel adaptive line enhancer(ALE) with high frequency resolution was presented,which suitable for underwater acoustic communication with MFSK or frequency hopping(FH) modulation. 根据水声MFSK或跳频通信中频率估计特点,提出了一种基于自适应线谱增强器(ALE)理论的实用高分辨频率估计新方法。
- Used the technique of undersampling and the FFT demodulation arithmetic, the frequency resolution of the instrument diagraph raise very greatly, which can insure the accuracy and accurate degree. 采用欠采样技术和快速傅立叶变换(FFT)解调算法,使仪器测量的频率分辨率有很大提高,保证了测量的精准度。
- Conversely, the basic spectra character of the signal was computed using the entire signal duration, and the frequency resolution bandwidth could be made small without causing a large random error. 用信号的整个持续时间确定非平稳信号的谱特性，提高了频率分辨率，减少了随机误差。
- Experimental results indicate that the method here has great improvement on the noise performance and frequency resolution and can detect effectively sinusoidals that have close-spaced frequencies. 仿真实验表明，本文方法具有较好的噪声稳定性和较高的频域分辨能力，能准确地检测出频率非常接近的正弦信号，具有较好的估计性能。
