实验结果表明研制的这种光纤声波传感器测量变压器油中传播的声波信号具有比较高的灵敏度和较宽的带宽。
Test results indicate that the developed fiber optic acoustic sensors are capable of detecting the acoustic signals propagating in transformer oil with high sensitivity and wide bandwidth.
传感器的安装位置尽量远离大功率设备,因为它本身的输出信号就比较弱,通常为毫伏级,极易受到干扰。
Sensor is installed as far away from high-power devices, because its own output signal is relatively weak, typically millivolts, vulnerable to interference.
比较便宜的系统在模拟处理器的运算操作时,有可能得到完全不同的信号时间。
Cheaper systems will emulate the processor's operation, but will do so with completely different signal timings.
你也可以把VTech 5145当作转发器,前提是把它和娇贵的手机放在电信信号比较强的地方。
The VTech 5145 could work as a repeater, assuming you put it and the finicky cellphone in a place with good coverage.
检测器内部的前置放大器将微弱的电场信号放大后,送报警器进行比较处理。
Detector internal preamplifier after weak electric signal amplification, comparing to send alarm processing.
本文提出了一种在输入信号上升延迟滞的比较器电路。
This paper introduces a hysteresis comparator whose output can be delayed when the input signal is in rising time.
研究表明,最优低通差分滤波器是一种分析电能质量干扰信号的比较有效的工具。
It is indicated in the research results that OLPDF is an effective tool in the analysis of power quality disturbance signals.
传感器将采集信号转换后送至处理器,处理器通过专家系统调用数据库,进行综合比较。
The collected signal was transformed by sensor to processor; through expert system, processor called the database; then, synthesis compare was carried on.
输入模拟信号立即与所有的参考电压通过一串高速比较器进行比较,高速比较器用于产生二进制输出。
The analog signal is compared with all the reference voltages at once by a string of high-speed comparators whose outputs are used to generate the binary output.
滤波后信号幅度的衰减比较小,没有像高通数字滤波器滤波后能谱峰的中心位置有明显的向左偏移现象。
The amplitude of signal filtered declined light not liked that the center position of energy spectrum moved to the left obviously used the highpass filter to filter.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上,提出了一种变压器保护新方案。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
经比例放大器放大后的脉冲信号经窗口电压比较放大器消除干扰给计数器。
Pulse signal of proportional amplifier is sent to counter after reduced noise by window voltage comparer.
利用MATLAB软件包中的信号处理部分,用小波和滤波器方法为实验数据去噪声,并比较各种方法的特点和适用范围。
Signal procession is analysised by Wavelet Toolbox and filters based Signal process Toolbox of MATLAB. Specialties and using areas of the two ways are studied.
改变输入信号幅度、反馈增益系数、放大器增益、比较器增益等参数以及相位补偿器的位置进行了仿真。
Simulations have been done through adjusting parameters such as input signal amplitude, feedback gain, amplifier gain, comparator gain and the position of the phase compensator.
本文根据RKR理论,彩用数值方法比较精确地计算了一氧化碳分子激光器的小信号增益系数。
According to the RKR theory, the fairly accurate small-signal gain in the co -laser operating is calculated using the numerical method in this paper.
给出了一种莫尔斯信号的线性滤波方法,并与传统的滤波器进行了比较,分析了其优越性。
In the paper, a Morse signal linear filter is introduced. And the superiority of the filter is described, comparing with the traditional filter.
当输入信号动态范围比较大时,系统性能通常被高精度模数转换器(adc)所限制。
When the input signal has a wide dynamic range, the system throughput is limited by the conversion rate of the high-resolution analog-to-digital converters (ADC).
在比较分析的基础上介绍了选择光电传感器法作为智能动平衡仪获得基准信号的方案,并将此方案成功应用于智能化整机动平衡仪中。
The photoelectric sensor is selected as reference signal obtained from intelligent dynamic balance instrument. The method is successfully used in intelligent overall dynamic balance instrument.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
反相器(145、146)将该冲击检出信号(S22、S23)与阈值进行比较,当超过阈值时就是检出冲击。
Inverters (145), (146) compare these impact detecting signals (S22), (S23) with a threshold value and detect an impact when the signals exceeds the threshold value.
它由传感器、信号放大电路、比较输出电路、延时电路和可控硅组成。
The utility model is composed of a sensor, a signal amplification circuit, a comparison output circuit, a delay circuit and controllable silicon.
相位比较器比较基准时钟和输出时钟的相位,并输出相位比较信号。
A phase comparator compares the phase of the reference clock with that of the output clock and outputs a phase comparison signal.
自从70年代微处理器出现以后,利用微处理器、模数转换器和数模转换器,硬件和软件使信号发生器的功能扩大,产生比较复杂的波形。
Since the 1970s a microprocessor, the use of microprocessors, ADC and DACs, hardware and software to expand the functions of the signal generator, a more complex waveforms.
频率比较器比较基准时钟和输出时钟的频率,并输出频率比较信号。
A frequency comparator compares the frequency of a reference clock with that of an output clock and outputs a frequency comparison signal.
时钟或者选通信号用于比较器、递增-递减计数器102和数模转换器100的同步操作,以便避免这些部件竞争。
A clock or a strobe signal is used to synchronise operation of the comparator, the up-down counter 102 and the digital to analog converter 100 so as to avoid these components racing.
迟滞比较器是一种阈值能随着输入信号而变化的比较器。
Hysteresis compactor is the one whose threshold value can change with the input signal.
对计算机仿真的超声多普勒信号和采集的人体颈总动脉多普勒信号分别应用该方法,并和传统的高通滤波器方法进行比较。
This novel method, together with the traditional high-pass filtering method, is applied to both computer simulated Doppler ultrasound signals and collected human carotid Doppler ultrasound signals.
在分析线性滤波器原理的基础上,建立了化工系统动态信号的最优线性滤波器的数学模型,并以加氢裂化反应器出口温度信号的除噪为例比较了滤波器模型参数对去噪效果的影响。
Taking the noise elimination of the outlet temperature signal of hydrocracking reactor as an example, the effect of the model parameters of the wave filter for noise elimination was compared.
并用于计算机仿真的超声多普勒信号和实际采集的人体颈总动脉多普勒信号的处理,同时与传统的高通滤波器方法进行了比较。
This method was applied to computer-simulated and clinically collected carotid Doppler signals, and compared with the conventional high-pass filtering method.
比较不同驱动信号的驱动效果,发现方波输入能使驱动器获得最大的振幅。
The square wave signal can make the piezoelectric actuator gain a higher amplitude than with a sine wave, triangular wave, or toothed wave signal.
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