我是三年前搬进我的公寓的。付完小费打发走搬运工人以后我所做的第一件事就是：在箱子上坐下，打开我的笔记本，嗅探空气中的Wi-Fi信号。
When I moved into my apartment three years ago, the first thing I did after I tipped the movers was sit down on a box, crack open my laptop and sniff the air for wi-fi signals.
圆顶建筑里污浊的空气中充满了电波和电视信号的尖叫，污物流进那些将其造出的水中。
Dome of foul air full of radio squeaks and TV signals, foulness flowing into the very waters that made them come to be.
首先利用多维逆m序列作为激励输入信号，用实验法建立出空气传送部分的多变量离散状态空间模型。
Firstly, the paper models the multivariable discrete state-space model of the air transmission unit by the lab method, using multi-dimensional inverse m series as input stimulus signal.
利用脉冲激光束轰击金属样品表面时在周围空气中激发的光声信号研究了纯铜的激光烧蚀。
Laser ablation of pure copper was investigated using photoacoustic signals excited in surrounding air when a pulsed-laser beam impinges a metallic surface.
仪器主要包括常压空气网栅脉冲电离室，信号放大与甄别和单片机系统。
Emanometer is composed of normal atmosphere air mesh grid pulse ionization chamber, signal magnify and screen unit and MCU system.
一种装置，其中被压空气或蒸汽冲击一个旋转的有孔圆盘而产生巨大的、常常是尖锐的声音，作为信号或警报。
A device in which compressed air or steam is driven against a rotating perforated disk to create a loud, often wailing sound as a signal or warning.
该装置以压缩空气为介质进行信号传递和控制，并能根据需要调节检漏压力、流量和时间。
This device can transmit signal and control through the medium of compressed gas, and can adjust testing pressure, flow rate and time according to the automatic controlling requirement.
通过大量的性能测试和试验证明，超高频传感器既能够有效的避开空气中的电晕干扰，又能够方便有效的测量到GIS内部局部放电的信号。
Experiments show that the UHF sensor can effectively avoid the effect from corona discharges in air, and can conveniently detect PD signals in GIS.
水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface.
精轧机机架间带钢冷却控制系统，用电气控制信号和压缩空气联合控制冷却水的流量，从而达到热轧带钢温度控制的目的。
Cooling control system between finishing mill regulates the water-flow with electric signal and compressed-air to control the temperature of the hot strip steel.
通过对土壤湿度，空气温度等信号的采集，实现自动灌溉。
Of soil moisture, air temperature, such as signal acquisition, automatic irrigation.
铁路车辆是靠压缩的流动空气作为制动动力源及控制信号源，所以高原特殊环境下铁路车辆制动性能可能发生变化。
The vehicle compressed fluxion air is used to conduct the control signal source and brake, so in special environment of plateau the vehicle system brake performance may variety.
介绍了空气压缩机PLC控制系统组成、保护功能、控制原理、系统通信、系统信号的采集，以及控制系统软件设计思想。
The paper describes the composition, protection function, control principle, system communication, collection of system signals and design idea of the PLC system of air compressors.
介绍了空气耦合非接触式超声检测技术基本原理，推导了该技术中信号传输衰减理论构成因式。
With the brief description of the basic principle of air-coupled non-contact ultrasonic testing, the factors affecting the whole signal path losses of air-coupled ultrasonic testing are deduced.
鉴于此，本文提出了基于空气、冰与水的电容特性差异，通过电容值到数字信号的直接转换来测量冰层厚度的新方法。
In view of this, a new method based on the capacitance characteristics differences among air, water and ice is propounded, which converts capacitance value to digital signal directly.
为了满足上述两个目标就必须利用可以测量到的信号和控制参数解决如下三个技术难题：1。空气测量装置的响应滞后；
To achieve those two goals, the following 3 technical problems have to be solved using available measurement and control parameters: 1. Respond delay of air measurement instrument.
当要升至水面呼吸新鲜空气时它也可发出信号。
It also signals when to rise to the surface for a fresh breath of air.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
实验结果表明，风机管道中空气流动对传声器测量信号的影响很大。
The experimental result shows that the measurements with microphone are highly sensitive to airflow in the fan duct.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
本实用新型主要用于铁道机车车辆空气制动机输送压缩空气和传递制动操作信号。
The utility model is mainly used in the railway locomotives air brakes to transport compressed air and transfer the brake operation signal.
系统可以检测出空气中硫化氢气体的浓度，并且当测量值超出预设报警限时可以发出声光报警信号，提示现场工作人员采取紧急措施，减小中毒事故的发生率。
This system can measure the concentration of H2S in air. When the measured value is greater than the reference value, the alarming circuit will work. Then the hazard of danger will be decreased.
换能器发出的超声信号携带输入的音频信号信息，在空气中发生非线性作用，解调为可听声。
The ultrasonic signal which is emitted from the transducer carries the input audio signal information, does the nonlinear interaction in the air and is demodulated into audible sound.
智能控制箱可以通过各个洗衣机的输入信号控制臭氧发生器和电磁阀，内装许多安全功能包括：空气开关、保险、温度保护等等。
Control box interlocked with a variety of input and output signals. Many other safety features are also built in, including a main power breaker switch, fuses, and thermal protection.
开发了基于扭矩的控制模型，包括传感器信号处理模型、扭矩模型、怠速模型、节气门模型、空气系统模型、起动控制模型等。
A control model based on torque was developed, including signal processing model, torque model, idle model, throttle model, airflow model, start control model and so on.
借此理论，本文对较为复杂的往复式空气压缩机气阀振动信号作了分析，探讨了用于故障气阀自动识别的方法，收到了较好的效果。
According to this theory, this paper gives an instance for analyzing a vibration signal of reciprocating compressor valve. The method is fairly effective in mechanical fault recognition.
控制口12口或14口的压缩空气只需一个脉冲信号即可使滑柱移动，但12口和14口不能同时有信号。
Control port 12 or 14 of the compressed pulse can be only one column so that sliding movement, but the 12 and 14 can not both be a signal.
一声频定向换能器，以定向发射超声波给接听者，其中该超声频段部分经空气自解调而还原为原音频信号。
Because the ultrasonic wave has the directivity, the audible audio frequency demodulated from the interior of the ultrasonic wave also has the directivity and forms a directional audible sound.
空气so2浓度的监测通常采用点分布式信号采集，然后进行数据汇总的方法实现。
Monitoring of SO2 concentrations commonly used methods of distributed data acquisition and data collection and signal analysis.
空气so2浓度的监测通常采用点分布式信号采集，然后进行数据汇总的方法实现。
Monitoring of SO2 concentrations commonly used methods of distributed data acquisition and data collection and signal analysis.
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