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- Nyquist frequency defined as the highest spatial frequency where the sensor can still faithfully record image detail. Beyond the Nyquist frequency aliasing occurs. 奈奎斯特频率的定义是:感光器能够忠实纪录影像细节的最高空间频率。在此频率以上就会发生混肴现象。
- Also,it can overcome frequency aliasing effect in general subband coding,and is more flexible than the resolution-layered coding which uses temporal subsampling and spacial filter. 另外,它比采用时间方向亚抽样和空间滤波器的分辨率分层方法更灵活,并克服了频率混叠现象。
- The causes of frequency aliasing inhere in both lifting and redundant lifting wavelet transform was discussed and also an anti-aliasing algorithm for redundant lifting wavelet transform was presented. 研究了提升小波和冗余提升小波算法中存在的频率混叠问题,阐述了产生频率混叠的原因。
- Study on Frequency Aliasing in Time and Frequency Domains 频率混叠在时域和频域现象中的研究
- Analysis on Frequency Aliasing in the Sampling of Lowpass and Bandpass Signals 低通和带通信号采样的频谱混叠分析
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Keywords radar reconnaissance receiver, sub-Nyquist spatial-temporal sampling, frequency aliasing, angle-measuring ambiguity, joint estimation of multi-parameter; 雷达侦察接收机;时空欠采样;频率混叠;测角模糊;多参数联合估计;
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- frequency aliasing 频率混淆
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- Spread the palpitate frequency love till ending. 循着心跳的频率爱到永不分离。
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。