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Reference grating formed by electronic oscillating signal and photoelectric conjunction Moire contouring of isohypse fringe based on electronic signal beat freguency principle are reported in the paper.

本文报导用电子振荡信号形成"参考光栅"，基于电信号拍频原理产生等高线条纹的光电结合型莫尔轮廓术。

These signal conditioners provide a low cost solution ideal for applications where single point, isolated thermocouple signal conditioning is required. The 8511 and 8512 are designed to operate into a common 24 volt, 7mA PLC high-speed counter input.

这些信号调节器为需要单个点，孤立的热电偶信号调节的应用，提供了理想的低成本解决方案。8511和8512是为能够在普通的24伏，7mA PLC的高速计数器输入下的运行而设计的。

The jammer receives the radar signal and modulates it in frequency domain, and then the modulated signal is retransmitted.

阐述了利用正弦信号进行频率调制的干扰机理，分析了干扰信号的频率特性，推算了决定干扰效果的各项关键参数。

The simulation results indicate that the new algorithm is very efficient. The design of the exciting signal is also a key problem in system identification, especially for the nonlinear system identification. Firstly, a Kronecker product representation of the truncated Volterra series is utilized to analyze the persistent exciting condition of the input signal.

分析了为估计被分析对象的GFRF模型，而获得系统输入输出信息受到各种干扰污染的必然性，在将基于Volterra级数描述的非线性系统辨识归结为一最小二乘问题之后，提出了利用TLS算法来降低非线性系统输入干扰对辨识精度的影响。

Based on the signal kurtosis, a blind signal extraction algorithm was proposed in over-determined mixtures.

基于信号峭度理论，提出一种超定条件下的盲信号提取算法。

When the signal sources have different cycle frequencies, a method to estimate the optimal time lag is presented. It solves the severe problem that the conventional Cyclic MUSIC requires knowing the optimal time lag in computing the cyclic correlation matrix. A method of two-step search for DOA estimation by employing an interleaving technique and a Joint Estimation Strategy is developed to overcome the inadequency of signal sources with the same cycle frequency having no optimal time lag.

当信源的循环频率各不相同时，提出了一种估计最佳延时的方法，解决了传统Cyclic MUSIC算法计算循环相关矩阵需要已知最佳延时的问题；为克服多个具有相同循环频率信源不存在最佳延时的不足，利用交错技术和联合估计策略，提出了两步搜索估计DOA的方法。

It introduces the process of getting ultra-short pulse using a gain switched quantum well DFB laster as signal pulse source,the method of obtaining OTDM signal and extracting short pulse through the technique of extracting light-pulse which apply to high-speed OTDM system.

介绍了采用掺铒光纤放大器获得超短脉冲；利用方程差微调法获得光时分复用信号和易于实现动态色散补偿的啁啾光纤光栅实现色散补偿，以及通过适于高速光时分复用系统的光时钟提取技术提取时钟脉冲等内容。

Based on the analysis of current situation of urban traffic signal control, a method of single intersection signal control was presented based on fuzzy neural network control. Density of vehicle flow of current and next phase was determined by detecting the queue length of the current and next phase, so that it was further determined whether the phase should be changed or not.

在分析城市交通信号控制研究现状的基础上，提出一种基于神经网络模糊控制的单路口交通信号灯控制方法，通过检测当前相位的排队长度和下一相位的排队长度得出当前相位以及下一相位的车流密度，进而判断是否进行相位变换。

The sending end when the use of pulse modulation approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

发送端采用脉时调制方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。

By factoring of the likelihood function, the description of signal detection problem is achieved, and then iterative signal detection algorithm can be deduced by using sum-product algorithm.

通过对似然函数的分解，得到信号检测问题的因素图描述，在此基础上应用和积算法推导出信号检测的迭代算法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。