Parameters such as frequency, intensity and pretreatment time of ultrasound are varied.
讨论了声场参数，即频率、声强、超声辐射时间对该过程的影响。
More complex methods such as frequency weighting and frequency normalization go beyond the scope of this article.
更复杂的方法，比如频率加权和频率归一化，超出了本文范畴。
Complicated system radars such as Frequency Agile radar, PRI Stagger radar are used more and more in various environments.
一些复杂体制雷达，如捷变频雷达、重频参差雷达等越来越多地被用于各种环境中。
Proficiency in the use of common test measuring instruments, such as frequency spectrum, signal source, oscilloscope, etc.
熟练使用各种通用测试测量仪表，如频谱仪、信号源、示波器等。
However, there are also problems such as frequency and voltage stability, power quality and the impact on the main network.
但微电网也存在频率电压稳定和电能质量、对主网的冲击等题目。
Because of the limits of analog devices, the analog receiver may easily loss key parameters of signal, such as frequency, phase etc.
采用模拟方法实现的传统接收机，在接收过程中由于模拟器件的限制，极易导致信号的频率和相位等精细信息丢失。
Functions such as frequency modulation and circuit reset are achieved with different buttons and shown on the LED digital display tube.
并且通过不同按键可以实现调频，电路复位等功能并在LED数码显示管上进行显示出来。
Without electricity can keep count value, after electrify continue to count, such as frequency, can achieve count by reset button reset.
断电可保持计数值，通电后继续计数，如达到计数次数，可通过清零按纽清零。
In the paper, some non-destructive methods based on mode theory such as frequency method, energy method and matrix method are introduced.
本文比较详细地介绍了基于模态理论的无损探伤方法，即频率法、能量法、柔度矩阵法等。
Chapter 3 considers location of a stationary target with time-varying emitting signal, such as frequency hopping signal and linear FM signal.
在第三章里，主要研究了频率时变信号（如频率捷变信号和线性调频信号）的定位算法。
Network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad-band sweeping and computer-assisted testing.
网络分析仪结合了频率合成技术、采样技术、宽带扫频技术、计算机辅助测量等新技术。
Researching the implementation of signal detection based on FPGA and acquiring the parameter of IF signal, such as frequency, amplitude and phase.
研究信号检测算法的FPGA 实现，获取信号的频率，幅度，相位等参数。
The parameters such as frequency, width of each pulse and the interval between successive pulses with inverse polarity can be changed easily in program.
这些参数包括输出脉冲的频率、宽度和不同极性的两个脉冲间隙。
Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
利用锁相环的倍频、分频等频率合成技术，可以获得多频率、高稳定的振荡信号输出。
This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
This paper introduces the composing principle of the hybrid fiber coax, and analyzes the technology characteristics, such as frequency arrange, index division, transmission form etc.
介绍了混合光纤同轴网的组成及工作 原理 ，分析了其频谱安排、指标分配、传输模式等。
Other characteristics, such as frequency, wave shape, and phase balance are seldom recognized by the consumers but are given constant attention by the electric power utility engineers.
而其它方面的特性，如频率、电压波形、各相平衡则很少被用户认识到，但这恰恰受到电力部门工程师们的时刻关注。
Concepts of some electric parameters such as frequency, duty cycle, current density and final voltage were introduced and the relation between duty cycle and current density was deduced.
介绍了电参数如频率、占空比、电流密度、终电压等的概念，推导了占空比与电流密度的关系，并综述了电参数对阳极氧化膜性能影响的研究进展。
This paper describes the phenomenon of twinkling when the LCD is driven, and presents the analysis for the possible reasons, such as frequency, viscosity, cell gap, dielectric constant, etc.
本文对液晶显示器在显示时产生的闪动现象进行了描述，并对产生此现象的可能原因如频率、液晶粘度、盒厚、介电常数等进行了分组试验，并在分析试验结果的基础上，提出了相应的改进方法。
In particular, the course explains how to find the ideal set of parameters that can be set to achieve more accurate and meaningful results with SAA, such as frequency, interval, and packet size.
课程将特别介绍如何找到理想的参数设置，以达到SAA更准确和更有意义的效果，例如频率、间隔、信息包大小。
Applies various advanced techniques such as frequency conversion, optimization control, fuzzy control and computer programing, the system has the characteristic that tracks the fluctuant loading.
系统基于变频技术，结合最优化控制、模糊控制以及计算机技术，具有负荷随动跟踪特性。
Discriminator: a device that converts a property of an input signal such as frequency or phase into an amplitude variation depending on how the signal differs from a standard or reference signal.
鉴别器，鉴频器：一种将输入信号的某一特征，如频率或相位转变为幅度变化装置，其变化大小因信号与标准或参考信号的不同程度而异。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。
In contrast, high-frequency fluctuations such as seasonal temperature variations are observable and somewhat predictable, so that groups could have adapted their behaviors accordingly.
相反，诸如季节性温度变化等高频波动是可以观察到的，而且在某种程度上是可以预测的，因此群体可以相应地调整它们的行为。
The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.
研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
When such fields do not vary with time they are referred to as static and have a frequency of 0 Hz.
当这种磁场不随着时间而发生变化时它们被称为静态，所具有的频率为0赫兹。
When a number of certain static images, such as geometric figures, for example, interchange with a specified frequency, it creates something like a motion picture effect.
当一组特定的静态图像，例如几何图形，以指定的频率切换，便会产生某种动态图片的效果。
The wires measure 1/5, 000th to 1/25th the diameter of a human hair and are capable of harvesting energy from low-frequency vibrations such as the wind or the flow of currents.
这些管线的直径只有人头发的5000分之一到25分之一，并且能从风和水流之类低频振动中获取能量。
The wires measure 1/5, 000th to 1/25th the diameter of a human hair and are capable of harvesting energy from low-frequency vibrations such as the wind or the flow of currents.
这些管线的直径只有人头发的5000分之一到25分之一，并且能从风和水流之类低频振动中获取能量。
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