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- Contrarily,if the frequency bandwidth of signal is finite,the time length of signal will be infinite when sampling in frequency domain,the time folding phenomenon will certainly happen. 反之;若信号的频带宽度有限;当进行频域抽样时;时域必然发生混叠.
- Analysis the Distortion of Time Signal When Sampling in Frequency Domain 解析频域抽样时对应的时域信号失真
- sampling in frequency domain 频域取样
- The shift of sample area can be resolved by signal resample in frequency domain or time domain. 从理论上分析了如何 在频域和时域采用信号重采样区间偏移的问题。
- Our proposed high speed dark frame subtraction can solve this problem by analyzing patterns in frequency domain. 我们所提出的高效率暗电流消去法藉由分析频率空间图形可以解决上述问题。
- LMS adaptive filters can suppress high power narrow band interference effectively in frequency domain. 频域的LMS自适应滤波算法可以有效抑制扩频系统中的强窄带干扰。
- Further more,the influence of PID-GPC parameter tuning on its robustness is analyzed in frequency domain. 然后在频域内分析了PID-GPC控制器的参数选择对其鲁棒性的影响。
- Analysis in frequency domain is important to the design of depolarizer for multiple longitudinal mode optical sources. 这种分析方法对于多纵模光源消偏器的设计有参考意义。
- Relative Intensity Noise (RIN) has been adopted to study the intensity distributions of laser beams propagating in the muti-stacked medium in frequency domain. 采用了相对强度噪声(RIN)的分析方法，对高功率激光光束在多级介质中传输的光强分布情况在频域内进行了定量的分析。
- Then,different sensitivity of latticed domes to various impulses in frequency domain is studied by applying harmonic lods. 然后利用简谐响应分析的方法探讨了结构对频域上不同频率激励荷载的的敏感程度。
- Using this program, we simulate two different cases of soliton fission processes, which are SC and SSFS in frequency domain, respectively. 利用此程式，我们模拟了两个不同的光孤子分裂现象，它们在频域上分别是超连续光谱以及光孤子自频率位移。
- In engineering practice, the vibrational response computations for the systems with complex damping are fulfilled mainly in frequency domain. 工程实际中,复阻尼多自由度系统的瞬态响应过去一直是通过频域方法求解的。
- Making use of IFFT/FFT at the the sending port,a sequence of reducing the peak in frequency domain is produced to reduce PAPR in OFDM system. 在系统的发送端利用IFFT/FFT变换对,产生频域消峰序列,以降低OFDM系统峰均比。
- Two kinds of digital watermark methods about image based on DCT and DWT in frequency domain were mainly researched in this article. 本文主要研究了变换域中基于DCT和DWT的两种图像数字水印方法。
- Indeterminacies in amplitude and permutation are the two main cumbersome aspects in frequency domain blind signal separation. 排序和幅度不一致性是信号频域盲源分离的主要困难。
- Secondly, extract seismic wavelet from borehole side seismic trace by cestrum method to get wavelet spectrum in frequency domain. (2)对时间域的井旁道记录利用同态反褶积方法提取地震子波，得到频率域的子波谱；
- Analyzing the sound characteristics of each part in frequency domain, it will be a guidance to the resolution in attenuating the engine's noise level. 经与九点声压法测量得到的整机噪声结果对比，表明表面振动法识别柴油机噪声源是准确可靠的。
- There are many admiral samples in the collection. 这部集子里有许多花蝶标本。
- In addition, the statistical moments in frequency domain were chosen as features to classify the original and the interpolated audio signals. 另外还提出了用频谱统计矩作为特征的方法，使统计分类稳定有效。
- Amplification of incident SV waves in a layered elastic half-space is analyzed by using direct stiffness method in frequency domain. 采用直接刚度法,在频域内求解了层状弹性半空间中入射平面SV波的场地放大效应问题。
