作为信号的

With the explosive development of communication and digital signal processing technology, an analog-to-digital converter, as an interface between analog signal and digital signal is necessary.

随着通信技术和数字信号处理技术的快速发展，作为模拟信号与数字信号界面的模数转换器得到了越来越广泛的应用。

Above all, the identification principle based on genetic algorithm is introduced. As a general method, the validity of algorithm is tested when testing signal is complex or testing signal includes noise.

作为一种通用性较强的辨识方法，分析和仿真验证了当测试信号为各种信号或测试信号含有噪声时本文提出的算法的有效性。

The pulse overflow DDS,in which the overflow signal of the phase accumulator is used for the pulse output,can be easily implemented by using FPGA.

脉冲溢出型DDS利用相位累加器的溢出信号作为输出信号，很容易用FPGA器件实现，但它输出的脉冲信号存在相位抖动的缺点。

The pulse overflow DDS, in which the overflow signal of the phase accumulator is used for the pulse output, can be easily implemented by using FPGA. But its pulse output has the drawback of the phase jitter.

脉冲溢出型DDS利用相位累加器的溢出信号作为输出信号，很容易用FPGA器件实现，但它输出的脉冲信号存在相位抖动的缺点。

This paper is presented in a AT89C51 microcontroller as the core to the simple power line loading dual signal recognition system design. In this system, we design the integrated power, frequency signal generator, and use of four light emitting diode as Display interface, double-button switch-mode power line load control signal.

本文就是介绍了以一种以AT89C51单片机为核心的简单两路路电力线加载信号识别系统的设计，在系统中，设计了集成电源、频率信号发生器，并运用4个发光二级管作为显示界面，采用双按键开关模式控制电力线加载信号。

The signal drop at globus pallidus and putamen on two sequences were evaluated by two neuroradiolgists who did not know the clinical features of the patients. A hypointensity in the dorsolateral putamen equal to or lower than that in globus pallidus was taken into account as the main clue to differentiate the two diseases.

两名放射科专业医师在不知道患者临床诊断的情况下评价两个序列上苍白球和壳核的信号变化，背外侧壳核的信号等于或低于苍白球的信号作为两种疾病影像鉴别诊断的主要指标。

Finally the damping control strategy of SVC and TCSC are proposed. In the second part, Prony analysis is used to identify the transfer function and residue of the system, and FACTS damping controller is designed by compensating the phase of residue. A method of choosing input signal of damping controller is proposed.

在应用Prony方法对电力系统仿真信号进行分析的过程中，选取特定形式的小扰动作为输入信号，根据对应的输入、输出信号中包含的模态的关系，推导出系统的传递函数。

Sound source signal and treatment: The key part of the system is a 12 channels attunement of the PV series .Cooperating with signal from the platform, DVD signal, the compere can give a speech through the UHF wireless microphone or microphone on the desk. And wireless microphone can be used when in the question and answer part.A sound feedback suppresser will be used in the system, so it can improve the sound emitting plus.

音源信号及处理部分；采用美国百威公司的PV系列的12通道调音台作系统心脏，配合来自讲台的电脑信号、DVD播放信号，主讲人采用UHF频段的手持式无线麦克风及台式麦克风发言，并设置手持无线麦克风作为提问使用，系统添置声反馈抑制器使传声增益得到最大的提高。

This article referred to the use of digital devices MAX6675 as a K-type thermocouple cold junction temperature compensation circuit device, through the filter, signal amplification, voltage follow to deal with output signal of the thermocouple. At the same time, it uses SCM to process the digital signal, which has been converted by A/D convert device.

本文介绍一种利用数字器件MAX6675作为K型热电偶冷端温度自动补偿电路的器件，通过滤波，信号放大，电压跟随对热电偶的输出信号进行前置处理，利用单片机对补偿后进行了A/D转换的数字信号进行处理。

The energies in different scales after the wavelet decomposition respectively are applied to extract feature, and absorptive method based on Dempsters rule is used in feature fusion of multi-source information. The results of the simulations between absorptive method and nearest neighbor method are compared, which show the effectiveness of evidence reasoning used in multi-target recognition.

利用了小波分解尺度细节信号能量特征作为四类目标声信号提取的特征，采用基于D-S的新组合规则吸收法对多传感器信息进行特征融合，并对吸收法及最近邻法两种情况下的识别效果进行了对比，仿真结果表明证据推理为声信号多目标识别提供了一种有效的方法。

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。