设计了噪声传递函数ntf,并对其进行了优化。
Furthermore, the noise transfer function (NTF) is designed and optimized.
通过在传递函数中引入两个极点,获得了比多环路级联结构更好的系统噪声性能。
By adding two poles into the transfer function, better noise performances compared with that of the MASH structure are achieved.
介绍了锁相环的基本原理,分析了锁相环各部分电路相位噪声的传递函数。
The basic principle of phase locked loop (PLL) has been introduced, and the transmission function of the phase noises of every part of PLL has been analyzed.
传递函数———噪声模型是一类多变量时间序列模型,它在表达系统动态影响机制方面有着独到的优势。
The transfer function-noise model is a kind of multivariate time series model which has much advantage in expressing dynamic mechanism of a system.
利用线性系统理论和采样理论对成像系统的传递函数进行了分析建模;借助于三维噪声模型表征了系统的噪声特性。
The transfer function of imaging system is modeled using the linear system theory and sampling theory, and the noise is characterized with the three-dimensional noise model.
用波数-频率谱传递函数表征包括弹性板和流体负荷在内的整个系统的特性,导出了噪声场互谱函数的一般表示式。
Using the wavenumber frequency transfer function to describe the whole system consisting of the plate and the liquid loading, a general expression of the cross spectrum was derived.
提出一种改进的维纳滤波模型,通过改变维纳滤波传递函数中的参考函数,以实现噪声环境下的多目标识别。
An improved Wiener Filter (WF) is proposed by modifying reference term in WF transfer function to achieve multiple-target detection in noisy environment.
在前馈有源噪声控制中,由于次级通道传递函数往往是非最小相位系统,直接使用传统的FXLMS算法时,导致系统的性能下降。
In the feedforward ANC, when the traditional FXLMS algorithm is applied directly, non-minimum phase(NMP) of the secondary-path transfer function will lead to the performance degradation.
本文提出一种用于相位噪声测量的新型方差——变形高阶差分方差,其传递函数具有无旁瓣、谐波少等优点。
In this paper, a new variance used in the phase noise measurement, called deformed high difference variance, is presented.
通过对不同的工况下同一噪声传递路径的测量分析,发现了传递函数的峰值存在频率偏移。
Meanwhile, in different working condition, the measuring of the same noise transfer path gives results that have minor offset of peak values positions between each test.
辐射性能参数包括脉冲噪声、记忆效应、扫描相关偏移、一致噪声、随机噪声、丢失行、不可操作探测器、饱和探测器、调制传递函数、系统分辨率。
The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, MTF, system resolution.
该辐射噪声可视为周期性激励与信道传递函数的卷积构成。
These noises can be considered to be composed through convolution of many kinds of excitation source and the transform function of oceanic acoustic channel.
该辐射噪声可视为周期性激励与信道传递函数的卷积构成。
These noises can be considered to be composed through convolution of many kinds of excitation source and the transform function of oceanic acoustic channel.
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