amplitude distortion

1. ( electronics) of an electrical signal; reduced in amplitude with little or no distortion.
   （电子学）指电信号；振幅减小而没有或者很少有失真。
2. A sign indicating the operation of subtraction. To reduce ( the amplitude of an electrical signal) with little or no distortion.
   表示减少运算的符号。减弱讯号在失真极小或不失真的情况下减弱（调幅或电子讯号）
3. The measurement indices of voltage sag include amplitude, time duration, frequency, distortion degree and etc, and the precise measure of amplitude and time duration is the primary problem to solve of real time monitoring of voltage sag.
   电压凹陷的衡量指标包括幅值、持续时间、频次和畸变度等，其中幅值和持续时间的精确测量是电压凹陷实时监测中首先要解决的问题。
4. This system allows the transmission speed very close to the Nyquist rate with little sensitivity to delay and amplitude distortion caused by the transmission medium when a large number of channels are used.
   这种系统在复用路数无限增加时可以达到奈奎斯特速率，并且对传输媒介引超的延迟和幅度失真不灵敏。
5. It is shown that this algorithm is better than the conventional one in the phase shift, amplitude attenuation, waveform distortion, noise reduction, filtration efficiency, and so on.
   分析结果表明，该算法在信号的相位偏移、幅值衰减、波形畸变以及除噪能力和滤波效率等方面均优于传统算法。
6. The result shows that the phase lags and amplitude distortion which were produced by two meters in low frequency waves are so small that we may neglect the effects on the water tide data.
   分析结果表明，两台仪器在低频段内产生的相位滞后及振幅畸变均很小，在固体潮观测资料数据分析处理时可忽略不计。
7. This paper describes the influence of FM channel linear distortion ( amplitude-frequency characteristics distortion) on group-frequency signals ( modulated signal), which makes the group-frequency signals produce amplitude-frequency charateristics distortion and amplitude non linear distortion.
   本文论述了调频通道的线性失真（幅频特性失真）对群频信号（调制信号）的影响&使群频信号产生了幅频特性失真和振幅非线性失真。
8. Generalized M~ 2 Factor of Laser Beams with Amplitude Modulations and Phase Distortion Passing Through Hard-Edge Apertures
   有振幅调制和相位畸变光束通过硬边光阑的M~2因子
9. According to the configuration, load and control characteristics of the cycloconverter-fed rolling-mill drive system, the frequency, amplitude and phase sequence characteristics of the distortion current were obtained from the method.
   该仿真分析方法根据交交变频轧机系统的结构、负荷与控制特点，分析了网侧畸变电流的频率、幅值以及相序特征；
10. An Efficient Linearization Method of Compensating Amplitude and Phase Distortion of Power Amplifier
    一种有效补偿功率放大器幅度相位失真的研究
11. A Study on the Effects of Noise Exposure and Contralateral Acoustic Suppression on Amplitude of Distortion Product Otoacoustic Emissions Gram
    噪声暴露及对侧抑制对畸变产物耳声发射幅值影响的观察
12. The effect of amplitude distortion, phase distortion, amplitude and phase error on the performance of receiver is discussed in this paper, and a method of digital correction is proposed.
    仔细分析了幅度失真、相位失真、幅相不一致性等对接收机性能的影响，提出了数字域校正的方法。通过计算机仿真，表明了该方法的可行性。
13. This paper have analyzed the maximum output voltage amplitude and distortion of the three basic amplifier circuits by using the graphical method.
    用图解法分析了放大电路三种基本组态的最大输出电压幅值Uomax及其失真现象。
14. The simulation of second derivative of Gaussian pulse as UWB signal waveform is conducted. The distorted waveforms are obtained from only experienced phase response distortion, only experienced amplitude response distortion, and experienced both phase and amplitude response distortion, respectively.
    使用该模型对高斯二阶导数脉冲信号的波形失真进行仿真分析，得到了只发生相位响应失真、只发生幅度响应失真、以及同时发生相位&幅度响应失真的脉冲波形。
15. Objective To determine stability and variability of the amplitude in distortion product otoacoustic emissions ( DPOAE).
    目的了解畸变耳声发射听力图反应幅值的稳定性和变异性。
16. Technical parameters and characters of sampling system determine that seismic wave amplitude recorded by seismograph is approximate relative amplitude. Using these data necessarily leads to serious distortion of inverse parameters.
    采集系统特性和技术指标决定了所记录的地震波振幅值为近似的相对振幅，用这样的相对振幅作为地震波参数反演的振幅真值依据，必然导致反演参数值的严重失真。
17. The vibrating distortion includes amplitude distortion and phase distortion, which may low down the quality of correlation signal, especially the phase distortion. In the loose surface farmland of 3-D survey in AMK area.
    振动信号的畸变包括振幅畸变和相位畸变，这些畸变会降低相关信号的质量，而相位畸变对相关信号的影响尤为严重。
18. The bell-shaped amplitude equalizer is a conventional device commonly used for equalizing the channel amplitude distortion.
    钟形幅度均衡器是均衡通路幅度畸变的常用器件。
19. Through the computer simulation analysis, we know that the output-voltage has constant frequency and amplitude with high precision and low distortion.
    通过仿真分析可知，电源系统输出电压的频率和幅值恒定，精度高，畸变小。
20. This technique can efficaciously correct for both amplitude and phase distortion of power amplifiers. 2. Individually controlled by look-up table and adjacent channel power minimization, two kinds of adaptive predistortion linearizer are formed and simulated with computer.
    使用查表法和邻道功率最小法建立了两种自适应预失真线性功率放大器，仿真结果表明，采用自适应技术可以提高预失真线性功率放大器功率动态范围。
21. Method: To search amplitude of distortion product otoacoustic emissions of subclinical diabetic group and control group by otoacoustic emissions instrument which was set up by idal parameter protocol.
    方法：本研究采用设置了理想的参数方案的耳声发射仪对听力损害亚临床症状期的2型糖尿病患者和对照组进行畸变产物耳声发射幅值检测。
22. However, UWB signals suffer from severe multipath fading which leads to amplitude attenuation and/ or waveform distortion. As a result, the performance of UWB systems degrades seriously.
    但是由于超宽带信道具有严重的多径衰落，超宽带信号容易发生衰减或者畸变，限制了其系统的传输性能。
23. Traditional adaptive optics is to use a single deformable mirror ( DM) compensation for the beam phase distortion. The more effective compensation is correcting the amplitude and phase distortion synchronously.
    传统的自适应光学是应用单变形镜补偿光束的相位畸变为主，而最有效的补偿为对相位畸变和振幅畸变的全场补偿，双变形镜自适应光学系统是实现全场补偿的技术之一。
24. Because of OFDM system is very sensitive to frequency offset, and the propagation environment of wireless channel is poor, causing amplitude and phase distortion of the transmission signals, and limiting speed of them.
    由于OFDM系统对频率偏移非常敏感，而无线信道传播环境恶劣，会引起传输信号幅度和相位的畸变，限制信号的传输速度，因此可靠的信道估计是OFDM系统实现高速数据通信的关键。
25. In the mobile communication system, the signal amplitude fading and phase distortion will occur when the actual signal transmitted by the radio channel.
    在移动通信系统，实际信号经无线信道传输后都会发生信号幅度衰落和相位畸变。
26. What is different from cable channels is that wireless channel has a lot of randomness, and it results in the attenuation of received signal amplitude, phase distortion and frequency distortion, so this is a great challenge in the performance of the receiver.
    无线信道比有线信道有着更大的随机特性，从而导致接收信号幅度的衰减，相位和频率的失真，对接收机的性能提出了很大的挑战。
27. In the field of laser communications, atmospheric turbulence is considered as an important factor, which affects the phase and amplitude of the light wave, causing the wavefront distortion, light flashes, centroid shift and spot damage and so on.
    在激光通讯领域中，大气湍流是考虑的重要因素之一，它影响着光波的相位和振幅，引起波前畸变、光强闪烁、质心漂移以及光斑破损等一系列的效应，严重影响了系统的性能。
28. The sinusoidal pressure waveform, produced by the generator, with high precision of amplitude and low distortion can be used in the dynamic calibration of micro differential pressure transformer.
    表明这种新颖的正弦压力发生器具有幅值精度高、波形失真度低、稳定性好等优点。可应用于微压差变送器的动态标定工作。
29. The symmetry of wavelets can reduce phase and amplitude distortion.
    小波的对称性可以消除相位失真，减小重构误差。

noun

1. distortion that occurs when the output signal does not have a linear relation to the input signal

   Synonym:    nonlinear distortion