查询词典 analog signals

A nulling algorithm based on a modified genetic algorithm, which is a feedback algorithm decided by power, presented can suppress jamming in the direction different from that of signals effectively.

提出了一种阵列天线干扰抑制的改进遗传算法，在射频端基于功率判决直接通过调节权系数进行波束合成，可以有效地抑制与信号方向不同的干扰。

The neurones communicate with each other using very small electrical signals.

该神经元相互沟通的使用非常小的电子信号。

A new pseudo Wigner distribution in the Fractional Fourier transform domain is proposed to analyze single or multi-component chirp signals.

提出了一种新的基于分数阶傅里叶变换的伪维格纳分布，用于单分量或多分量chirp信号的分析。

Time-Frequency analysis method is applied to the analysis of PEC signals with the aim of discriminating the occurrence of corrosion from the simultaneous variations of lift-off, smoothed pseudo Wigner-Ville distribution is used to get the signal spectrum map. The method of extracting the lowest energy area as the classification eigenvalue is proposed, and a good classification result is acquired.

采用时频分析的方法对同时出现腐蚀缺陷和提离变化的情况进行了识别，利用平滑的伪Wigner-Ville分布得到了信号的谱图，提出了提取谱图中最低能量区域面积作为特征量进行识别的方法，取得了较好的识别效果。

The time-frequency representations of the EEG signals are computed by the modified pseudo Wigner distribution method. The method can reduce or remove the cross terms efficiently and perform fast.

采用改进的伪Wigner分布对脑电信号进行时频变换，这种时频分布不仅能够有效地消除交叉项，而且可以快速实现。

First the unknown signals were separated by joint approximate diagonalisation of eigen-matrices algorithm. Then the method used the smoothed pseudo Wigner-Ville distribution of each separated FH signal to estimate its transmission parameters such as hop duration, time-offset and hopping frequency pattern.

首先采用特征矩阵联合近似最优化算法分离跳频信号，再利用多窗口重叠的平滑伪Wigner-Ville分布来估计出跳频信号的跳周期、定时偏差和跳频频率等参数。

A digital signal is one that can take on values within two discrete ranges. such signals are used to represent on-off or yes-no information.

数字信号能在两种分离的范围内呈现出不同的值，并且通常被用作表现开关或是非信息。

ISH-IHC double staining showed that positive signals of both ISH （purple-blue NBT-BCIP and IHC （redbrown, AEC expressed in the cytoplasms.

原位杂交阳性（紫蓝色，NBT-BCIP）和免疫组化阳性信号同时表达于靶细胞胞浆中而呈紫红色。

ISH-IHC double staining showed that positive signals of both ISH purple-blue NBT-BCIP and IHC (red-brown,AEC expressed in the cytoplasms.

原位杂交和免疫组化结果显示：支气管上皮细胞、Ⅱ型肺泡上皮细胞、血管内皮细胞、巨噬细胞、纤维母细胞及T淋巴细胞在所有SARS病例中都受到了病毒感染。

A phase-error corrector adjusts the phase of the oscillator signals in response to a variation in the magnitude of an alternating current component in the quadrature mixer output signal (MO2a).

相位误差校正器向应于正交混频输出信号(MO2a)中的交流分量的幅值变化来调整振荡信号的相位。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。