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principal alias

中文翻译主假频

同义词释义

    1)principal alias,主假频2)alias,假频3)false frequency,假频4)spatial aliasing,空间假频5)fake frequency phenomenon,假频现象6)alias-filtering,假频滤波

用法例句

    Analysis on dispersion and alias in finite-difference solution of wave equation.

    波动方程有限差分法中的频散与假频分析

    Faced with alias-free sampling of seismic wavefield in high-density acquired data,we correlated and analyzed application e.

    针对高密度采集资料对地震波场实现无假频采样,对比分析了RT滤波在高密度采集与普通道距采集资料中的应用效果,并对实际高密度资料进行了处理试验,充分验证了RT滤波在高密度资料处理中压制相干噪声的有效性。

    The seismic trace interpolation of the aliased events may be implemented in f-k domain.

    石油地球物理勘探 ,2 0 0 2 ,37(1) :2 9~ 32 ,38假频同相轴的地震道内插可以在 f- k域内进行 ,这时的道内插是对原道集的 f- k谱展宽后实施的。

    It develops 3 anti-false frequency algorithms,3 travel-time interpolation methods,migration pore diameter calculation method and amplitude fidelity technique.

    为提高成像精度笔者开发了三种反假频算法、三种旅行时体插值方法、偏移孔径控制和振幅保真技术;为提高并行效率这里采用分治策略将叠前数据分割、成像体分块来解决处理器间负载平衡问题。

    It develops 3 anti false frequency algorithms, 3 travel time interpolation methods, 2 migration pore diameter calculation method and amplitude fidelity processing.

    一是为提高成像精度而开发的 3种反假频算法、 3种走时插值方法、 2种偏移孔径计算方法及振幅保真处理 ;二是为提高计算效率进行的并行处理机制研究 ,包括叠前数据分割、成像体分块、数据空间重排、内存控制、输入 输出效率的优化及利用偏移算子的局部性解决跨节点负载平衡问题。

    The method of Linear Radon transform,which overcomes the shortage of serious spatial aliasing,can separate the signal and noise effectively.

    介绍了线性 Radon变换方法 ,克服了二维滤波 ( F-K滤波 )由于空间假频现象严重 ,可使信号与噪声有效地分离。

    Multichannel signal interpolation in the presence of spatial aliasing is discussed in the paper.

    针对存在空间假频时多道信号的插值问题,基于对模型数据的二维谱特征分析,通过在频率——波数域进行简单的除法运算构造内插算子,本文给出了一种频率——波数域空间内插方法,实现去假频插值。

    Analysis on dispersion and alias in finite-difference solution of wave equation.

    波动方程有限差分法中的频散与假频分析

    Dealiasing interpolation based on Fourier transform and its application

    一种基于傅里叶变换的去假频内插方法及应用

    If the sampling frequency is less than this, we can expect a serious distortion of output frequency which is generally referred to as aliasing.

    如果取样频率小于此数,那么输出频率就要产生严重畸变,通常假频指的就是这种情况。

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    If we again increase the frequency, we come into the range that is used for FM and TV.

    假如再提高频率,那么就进入调频广播和电视所用的波段。

    A false signal in telecommunication links from beats between signal frequency and sampling frequency.

    假信号信号频率和取样频率之间的拍子在无线电通信线路产生的假信号

    Discrimination of Pseudonormalized Echocardiographic Transmitral Filling Spectrum by Nitroglycerin

    静滴硝酸甘油判别二尖瓣血流频谱假性正常

    Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency.

    假定两个扬声器都发射恒定频率的纯正弦声波。

    Assume the ?? and ?? are the frequency of a in the donor and recipient populations.

    假定??和??分别是输出和输入群体中基因a的频率。

    Periodic Assumption of Frequency Domain Method for Straightness Error Separation

    频域法直线误差分离技术的周期性假设

    Research on Multi-Hypothesis Motion-Compensated Prediction in Video Communication;

    视频通信中的多假设运动补偿预测技术研究

    An Empirical Study on Vocabulary Audio Input on the Basis of Involvement Load Hypothesis;

    基于投入量假设的词汇音频输入的实证研究

    FROM THE FREQUENCY OF FALSE NEWS INCIDENTS TO SEE MEDIA ECOLOGICAL IMBALANCE;

    从新闻造假事件频发看媒介生态的失衡

    A video object segmentation algorithm based on hypothesis testing and region merging is presented.

    提出了基于假设检验和区域合并的视频对象分割算法。

    It was pointed out that BIN method is under a hypothesis that frequency is normally distributed.

    提出BIN方法是在假设频数分布为正态性的前提下使用的。

    Improving Multicode Spread Spectrum Underwater Communication with PIC-HFE Algorithm

    一种用于多码扩频水声通信的假设反馈均衡算法

    Study on Multi-Hypothesis Decision Feedback Equalization for DS/SS-CDMA Underwater Acoustic Communication

    水声扩频通信中多假设反馈自适应均衡算法研究

    In statistical language, we would say that the relative frequency become stable as the number of tosses becomes large(if we are tossing the coin under uniform conditions).

    用统计学的语言来说就是随着抛掷增加(假定抛币条件不变),相对频率越来越稳定。

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