查询词典 signal box

In fact, most of family use set-top box for transfer digital TV signal to analogue signal which can be recognized by TV set.

目前我们要收看到数字节目，就必须利用机顶盒，把数字广播信号转化为电视机能够识别的模拟信号或者数字信号。

Aeroflex Launches Complete Solution for RF Parametric Test of Wireless Subsystems, including LTEAeroflex announced the launch of the 7000 Series Vector Analyzer Generator, a single, fully integrated RF parametric test system for RF test of wireless components and subsystems. The 7000 Series combines both vector signal generation and vector signal analysis in a single box, providing an integrated approach to measurements for complex wireless standards, including LTE.

Aeroflex宣布推出7000系列向量分析仪产生器，是单一、集成之RF参数测试系统，可用于无线零组件和子系统的RF测试。7000系列在单一装置中结合了向量讯号产生和向量讯号分析功能，提供一个集成的方案来测量包括LTE等复杂的无线电标准。

After years of development, the product has 100 from monotony to diversification, seriation, fire hose, interior lining gun, fire hydrant, dc interface, fire hydrant box, reel, fire extinguisher box, outdoor fire hydrant, fire pump flow indicator, connectors.it, wet alarm valve, drench alarm valve, gate valve, signal, signal, sprinkler nozzle, antivirus mask, emergency lighting lamp safety, explosion-proof discussas etc categories of hundreds of specifications of products widely used in telecommunications, civil aviation, power, industry and real estate industry and other industries, experienced the test of time, market and the approval and favorable comment from user deeply.

经过多年的发展，百安的产品已从单一化到多元化、系列化发展，有衬里消防水带、室内消火栓、直流水枪、消防接口、消防卷盘、消火栓箱、灭火器箱、室外消火栓、消防水泵接合器、水流指示器、湿式报警阀、雨淋报警阀、信号蝶阀、信号闸阀、防毒面罩、洒水喷头、安全标志灯、应急照明灯、防爆地漏等十几种大类数百种规格的产品群，广泛用于电信、民航、工业、电力、房地产业等各行各业，久经市场和时间的考验，深受用户的赞许和好评。

This thesis introduces the design of DVB-T software receiver. We simulate the software receiver to demodulate the video signal from the IF signal of set top box.

本篇论文主要是利用从数位电视盒中频讯号的部份所取样出来的讯号，设计一个软体接收机将电视讯号解调回来。

At the same time, using combination of gear and photoelectric switch for the sensors, the signal conditioning box of National Instruments Corporation and data collecting card as the main devices, the signal collecting of torsional vibration was completed. In addition, a software of the fault monitoring and analysis was developed with Visual C++. The signal real time collecting of torsional vibration and processing were realized.

同时，以齿盘和光电开关组合为传感器，NI的信号调理箱、数据采集卡等为主要器件实现了扭振信号采集；并采用Visual C++编程开发了故障监测与分析软件，实现了对扭振信号的实时采集和处理。

Compare input signal of controlling box (4~20mA/1~5V) with opening check of opening position signal, the drive motor stop at assigned signal input position according to the derivation eliminating direction.

将控制盒的输入信号（4~20mA/1~5V）和开度检测部的开度位置信号进行比较，按消除偏差的方向驱动马达，在输入信号的设定位置停止。

Because elevator's movement isaccording to the floor and the sedan theater box calling signal,the traveling schedule signal carries on the control, but the floorand the sedan theater box's call is stochastic, therefore, thesystems control uses the random logic control, namely, in realizesin elevator's basic control request foundation by the order logicalcontrol, According to the stochastic input signal, as well aselevator's corresponding condition, at the right moment controlselevator's movement.

由于电梯的运行是根据楼层和轿厢的呼叫信号、行程信号进行控制，而楼层和轿厢的呼叫是随机的，因此，系统控制采用随机逻辑控制，即在以顺序逻辑控制实现电梯的基本控制要求的基础上，根据随机的输入信号，以及电梯的相应状态，适时地控制电梯的运行。

Including : 1, wiring system : as wiring harnesses box center will signal cables distribution to the appropriate location, and through wiring boxes for the convenience of control and management ;2, transmission conductors : weak electricity more types of signal wire, coaxial cable, UTP, as audio transmission lines, transmission lines for the transmission rate is the main signal decay and ;3, terminals : the main categories of information, including panels ;4, various information appliances : such appliances will have a receiving or sending information available, including television, computers, network appliances.

其中包括：1、布线系统：以配线箱作为配线中心，将信号线缆分布至合适的位置，并能通过配线箱进行方便的控制和管理；2、传输导线：弱电信号导线种类较多，有同轴电缆、双绞线、视音频传输线等，对传输线的要求主要是传输速率以及信号衰减；3、终端设备：主要包括各种信息类面板；4、各类信息家电：此类家电都带有信息接收或发送端口，包括电视、电脑、网络家电等。

In order to detect load in tumbling box correctly,the frequency band that could reflect information of mill ball load was obtained from the vibration signal collected from ball mill bearing block.The signal was analyzed by energy method based on wavelet transform,from which the frequency band signal was picked out to show the corresponding coal level in tumbling box.

为了更准确地检测料位，对球磨机轴承座振动加速度信号进行采集，从振动信号中提取了反映料位信息的特征频段，利用小波分析技术对信号进行了能量分析，分离出反映滚筒内存煤量信息的信号，为实现球磨机料位的自动控制提供了理论依据。

After years of development, the product has 100 from monotony to diversification, seriation, fire hose, interior lining gun, fire hydrant, dc interface, fire hydrant box, reel, fire extinguisher box, outdoor fire hydrant, fire pump flow indicator, connectors.it, wet alarm valve, drench alarm valve, gate valve, signal, the signal is antivirus mask, air respirator, spraying nozzles, safety and emergency lights, explosion-proof lamp, floor drain etc categories of hundreds of specifications of products widely used in telecommunications, civil aviation, power, industry and real estate industry and other industries, experienced the test of time, market and the approval and favorable comment from user deeply.

经过多年的发展，百安的产品已从单一化到多元化、系列化发展，有衬里消防水带、室内消火栓、直流水枪、消防接口、消防卷盘、消火栓箱、灭火器箱、室外消火栓、消防水泵接合器、水流指示器、湿式报警阀、雨淋报警阀、信号蝶阀、信号闸阀、防毒面罩、正压式空气呼吸器、洒水喷头、安全标志灯、应急照明灯、防爆地漏等十几种大类数百种规格的产品群，广泛用于电信、民航、工业、电力、房地产业等各行各业，久经市场和时间的考验，深受用户的赞许和好评。

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。