The most likely culprits are things that transmit a signal like a cell phone or a computer operating in Wi-Fi mode which emits an electronic pulse or wave.
最有可能的元凶是手机或带有无线上网功能的电脑一类进行信号传输的设备，这些设备都发送电子脉冲或者电子波。
The most likely culprits are things that transmit a signal, like a cell phone or a computer operating in Wi-Fi mode, which emits an electronic pulse or wave.
最有可能的元凶是手机或带有无线上网功能的电脑一类进行信号传输的设备，这些设备都发送电子脉冲或者电子波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过比较输入与输出信号脉冲波形和眼图发现，随着传输速率和传输距离的增加输出信号劣化。
The measuring function of short persistence oscillograph can be extended by adding pulse wave collecting circuit and signal processing circuit.
通过增加脉搏波采集电路和信号处理电路，扩展短余辉电子示波器的测量功能。
Application of bipolar pulse in transmitting signal can avoid distorted wave caused by charge or discharge in a long cable.
应用双极性脉冲传输信号。避免了因远距离电缆充、放电带来的波形畸变。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
A new signal pre-processing method of pulse wave based on mathematical morphology theory is presented according to the difficulties of pulse wave signal pre-processing.
针对脉搏波信号处理的难点，提出了一种基于数学形态学的脉搏波信号预处理方法，并分析了脉搏波信号特征及数学形态原理。
The differences between the ambiguity function of STMFCW signal and single slope linear frequency modulation continuous wave signal and pulse LFM signal are also discussed.
阐明了它与单斜率线性调频连续波信号和脉冲LFM信号模糊函数的区别；
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析，提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
The system which is test successfully can analysis the frequency spectrum of input signal and export spectrum of the continuous wave or the information in the frequency-time of the pulse.
该系统能对输入信号的频谱进行分析，实时输出连续波频谱或脉冲波的时域频域信息，并已测试成功。
It can measure not only the sine wave, square wave, triangle wave, a sharp pulse but also can measure other characteristics of the signal wave.
它不仅可以测量正弦波、方波、三角波、尖脉冲信号和其他具有周期特性的信号的频率，而且还可以测量它们的周期。
The voltage signal can be changed into a lot of wave forms such as pulse wave, delta wave, DC signal.
电压信号可根据需要设置成脉冲波、三角波、直流等不同信号类型。
Describing the three methods of the pulse generator signal transmission, the paper focuses on the basic principles and application status of the continuous-wave pulse generator.
介绍了脉冲发生器脉冲信号传输的三种工作方式，重点介绍了连续波脉冲发生器的基本原理及应用情况。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
The shock wave and strong pulse noise, which produced by light rocket launcher, are belong to a non stationary signal process with a wide frequencies.
便携式火箭发射器所产生的冲击波和强脉冲噪声属非稳态信号，具有较宽的频率范围。
Transmitter is the device which changes electrical pulse signal into optical pulse signal, and then transmit the optical signal in wave form by laser diode or light-emitting diode.
光发射机的功能是将电脉冲信号转换成光脉冲信号，并以数字光纤通信系统传输性能所要求的光脉冲信号波形从光源器件的尾纤发射出去。
The influence of wave-front-distorted pump pulse on the beam quality of the amplified signal pulse in the non-collinear optical parametric amplification(OPA) is numerically simulated.
数值模拟了拍瓦激光器前端非共线光参变放大（OPA）过程中存在波前畸变的抽运光对信号光光束质量的影响。
This paper studies transmission characteristic of fast rising time EMP (electromagnetic pulse) signal in bounded-wave simulator by using numerical calculation.
通过数值计算，研究了快上升沿电磁脉冲信号在有界波模拟器中的传输特性。
The output of the oscillator can be used as a standard signal for calibration of the differentiator to employ in research on the transformation of physiological pulse wave forms in medical science.
电路输出可以作为标准信号，用来校准医用微分器，作生理电脉冲波形变换的研究。
The pulse wave which is human's basic physiology signal implicates rich cardiovascular parameter and can be examined through the noninvasive method.
脉搏波作为人体基本的生理信号，蕴含有丰富的心血管参数，并且能够通过无创的方法进行检测。
Objective The directly sampled pulse wave signals have always a low signal to noise ratio, which leads to difficulties in the following research.
目的采样得到的脉搏波信号信噪比较低，这给后续研究带来了困难，因此消除噪声的干扰是准确进行相关医学测量的关键前提。
This paper presents the design and realization of a high resolution millimeter wave pulse radar signal simulator.
本文讨论了一种毫米波高分辨率脉冲雷达信号模拟器的设计和实现。
For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
在UWB通信中，利用赫兹磁偶极子天线的微分特性，由输入方波的上升沿产生窄脉冲。
Receiving the third signal and based on a reference voltage, the switching circuit controls the pulse wave width of the switching signal so as to adjust output current of the power converter.
切换电路接收第三讯号并依据一参考电压，以控制切换讯号的脉波宽度，所以可调整功率转换器的输出电流。
This paper organizes discussion around the CW pulse signal. The main problem is how to search and track the CW pulse signal with changing carrier wave frequency.
本文围绕CW脉冲信号开展讨论，其核心内容是如何实现对载波频率不断变化的CW脉冲信号进行搜索和跟踪。
According to the signal can be divided into sine wave signal, function (wave) signals, pulse signals and random signal generator, and other four major categories.
按信号波形可分为正弦信号、函数(波形)信号、脉冲信号和随机信号发生器等四大类。
The two signal sources are jointly controlled to produce a three-item square-wave pulse synchronous frequency conversion and voltage regulation signal source.
两信号源统一控制便产生三项方波脉冲同步变频调压信号源。
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