信号装置

A flashing laser at one end fires digital on/off signals along the fiber.At about 120,000 miles a second-more than half the speel of light-they zip to the other end.

在玻璃纤维的一端，一个不停闪动的激光发生装置不断发出数字式闪断信号，这些信号以大约每秒12万英里的速度——超过了1/2光速——飞快地传输到另一端。

A highly sensitive and selective assay method of biological macromolecules is proposed based on the measurements of BRLS signals at water/tetrachloromethane (H2O/CCl4) interface.

本文在普通RLS技术的基础上，设计了后向光散射(Backward resonance lightscattering，BRLS)信号检测装置，通过检测后向的共振光散射信号，实现了对生物大分子的高灵敏及高选择性分析。

Cars can achieve the effect of the natural queue and form an orderly traffic flow at the unsignalized intersection.

为改善无信号交叉口交通运行现状，基于自然排队思想，采用路中时间提醒装置使驾驶员获取无信号交叉口通行信息，对车速进行主动调整，达到自然排队的效果，在交叉口形成有序的交通流。

The electro-optical device includes, in a peripheral area, image signal lines which run from an external circuit connection terminal to a sampling circuit detouring a periphery of a data line driving circuit, and a vertical conducting terminal which is laid in a second side of the TFT array substrate intersecting the first side in the peripheral area observed from the sampling circuit and which electrically conducts to a counter substrate.

电光装置，在周边区域具有从图像信号端子迂回绕过数据线驱动电路的周围而到达采样电路的图像信号线和在周边区域中从采样电路看在与第1边相邻的一个基板的第2边附近配置的、实现与另一基板侧的电的上下导通的上下导通端子。

The connection converting apparatus includes: a hook detector for detecting a hooked state of the telephone; a relay for connecting the telephone to either the Internet or the PSTN according to a commmand; a duplex circuit for suppressing voice leakage and side tone by converting and reconverting from a two-line signal of the telephone to a four-line signal for transmission and reception; a tone decoder for decoding a DTMF tone of the telephone; and a microprocessor for exchanging control data for the user's computer, controlling the relay to cause the telephone to be connected to the Internet when the hook detector detects an off-the-hook state of the telephone, and providing number data to the user's computer when the microprocessor receives number data from the tone decoder.

所述连接转换装置包括：用于检测所述电话的摘机状态的摘机检测器；用于根据命令将所述电话连接到互联网或PSTN的转接器；用于通过从所述电话的双路信号到用来传送和接收的四路信号之间的转换及复原来抑制声音泄漏和侧音的双工电路；用于对所述电话的DTMF音进行解码的音频解码器；以及微处理器，其用于交换来自所述用户的计算机的控制数据、控制所述转接器以使所述电话在所述摘机检测器检测到所述电话的摘机状态时连接到互联网、以及在所述微处理器接收到来自所述音频解码器的号码数据时向所述用户的计算机提供号码数据。

The WD is used to dispose the output light of the fiber ring laser base on semiconductor optical amplifier too, and the result is similar to that of Lorentz system.

计算基于半导体光放大器的环形激光器输出光实验数据的三维时频谱，结果与洛伦兹系统的非常相似，从而可判定该实验装置产生信号确为混沌信号。

A digital signal-average experiment unit is home-built. By LabVIEW programming, distant students on the Internet are allowed to operate the laborartory equipment, obtain signal waveform and experiment data, and observe the real-time video capture of the laboratory equipment through a video camera, so the real experiment is conducted and accomplished remotely.

自行开发数字信号平均实验装置，通过LabVIEW编程，实现学生通过互联网实时地操作实验室的仪器设备、获取信号波形和实验数据，获得由摄像机捕获的实验室现场仪器运行情况实时视频等信息，在异地完成真实实验过程。

Firstly, the realizable ways of signal detection and sample、 power circuit and the application of low-consumption model of MSP430 are discussed, by which the required function of current protection and voltage protection can be realized. Secondly, different protection algorithm based on micro-computer are discussed in this article, and from the virtues and defects of Fourier algorithm, an improved algorithm is put forward, and the importance of the improved algorithm is displaced. Thirdly, according to the national standard of GB/T18858 .3-2002, the principle of networklization of intelligence trip relay and how to realize it are mentioned. Lastly, using the current conditions, the test of precision is done. The experimental date present that the system is working well and can realize the real-time function of on-line detection.

首先在硬件设计上，对于信号检测、处理、电源电路、MSP430系列单片机的低功耗方式应用以及人机接口电路等问题提出了实现方法，基本实现了大范围电流、电压信号实时监控等功能；其次，本文还对当前各种微机保护算法进行了介绍，分析了傅立叶算法在实现智能脱扣器保护功能中的优缺点，并针对傅立叶算法中计算偏于复杂的问题对该算法进行了改进，提出了基于FFT的改进算法，通过算法的分析和比较，对改进算法的性能给出了评价；然后结合我国现场总线国家标准GB/T18858.3-2002讨论了DeviceNet现场总线在实现脱扣器网络化的原理，实现方法，论述了通讯接口电路的设计；最后利用现有条件，对装置进行了性能测试，试验数据说明系统工作状态较好，可以满足低压配电网自动化对低压脱扣器的各项要求。

In this apparatus, a reception quality determining part (110) uses a pilot signal, which is included in a received signal, to determine the reception quality for each of subcarrier blocks.

在该装置中，接收质量测量单元(110)利用包含在接收信号中的导频信号，对每个副载波块测量接收质量。

The " alarm signal" is a chemical message transmitted between individual plants: this too can be measured by the new equipment .

这种&警报信号&是植物与植物之间传递的一种化学信号，这也能通过新的装置探测出来。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。