sample of signal

Because of utilizing high-speed optoelectronic converter and flash sample technique, the system can process Moir é signal with wide frequency range.

由于采用了高速信号处理和闪烁采样技术，采用该方案的系统能处理宽动态范围的莫尔条纹信号。

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The DNA of sample is hybridized with the oligonucleotide probes after being marked and the hybridization signal is detected in 2ml microtube.

样品DNA标记后与固定在膜条上的寡核苷酸探针在2ml离心管中杂交、检测获得杂交信号。

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In this way, the wattless power of the test signal at the head spot of the fault is only needed to sample when the system fault occurs, which simplifies the measurement.

这样，当系统发生故障时，只需采集故障首端测试信号的无功功率，大大地简化了测量的方法。

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Realtime signal collection system is responsible to punctually sample from important devices, then convert the signals collected and store them through the measure of covering or superaddition in the realtime signal database.

实时信号采集系统负责对重要仪器仪表的信号数据进行定时取样，然后对采集到的信号数据进行必要的转换并按覆盖或追加方式将其存于实时信号数据库中。

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Mapping ordered eigenvalue points of sample covariance matrix of the observation data onto Hough parametric space, the number of eigenvalues of noises can be estimated by detecting the peak points on Hough parametric space, and thus the number of signal source is determined.

该方法通过Hough变换将观测数据的采样协方差矩阵的排序特征值点投影到Hough参数空间，通过检测Hough参数空间中积累的峰值来估计噪声特征值的数目，从而确定信源的个数。

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When measuring the surface of workpiece, the piezoelectric actuator drive focusing lens to move vertically to ensure that the focus is always on the surface of workpiece in every sample interval, and the focused signal error return to zero.

在测量工件表面形貌时.压电陶瓷驱动器驱动聚焦物镜进行垂直位移.从而确保在每一个采样间隔中焦点总是落在工件表面上，同时使得聚焦误差信号回零。

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The experimental results show that both plasma radiation intensity and lines signal-to-background ratio increases distinctively along with rising the pressure for sample preparation; the more symmetrical and exquisite of sample surface, the more obvious of enhancement effect on the plasma radiation.

结果表明，随着制备样品所施加压强的提高，等离子体辐射强度和光谱信背比都有不同程度的提高；样品表面粒度越均匀越细腻，等离子体辐射增强效果越明显。

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The principle of the random sample for digit save oscilloscope ( DSO) is studied. A method of measuring the time between a trigger event of the input signal and next sample clock is developed.

讨论了数字存贮示波器的随机采样原理.给出了测量触发点与下一采样时钟间隔的方法；

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After the received signal vectors are sent into the conventional matched filter, the sample vectors that maximize signal-to-interference ratio at the output of the filter are collected, and optimally combined across both space and time.

在接收信号矢量经过传统的匹配滤波器后，按照最大信干比准则选取输出矢量样本，并进行最优化空时二维合并。

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The target recognition observes the following process-first resolving the wavelet of radar echo-signal, selecting the optimum wavelet bases via given training sample sets based on distance criteria to get the feature vector for target recognition, thus the targets are recognized by the effective features.

首先，对雷达回波信号进行小波分解，利用距离准则，选择最优小波包基，从被识别的信号中提取具有最大可分性的特征，得到目标识别的特征向量，由此进行目标识别。

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