透过率起伏信号可用来测量颗粒粒径和浓度。
The fluctuating transmission signal can be used to measure particle size and particle concentration.
起伏不定的信号格，随意就无服务，完全不工作，电话停机——从苹果社区到博客世界，已经是牢骚遍地。
Fluctuating bars of service, random outages, not running entirely, shutting down the phone - the complaints on the Apple forums and throughout the blogosphere have ranged pretty extensively.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
射频脉间相位噪声经过微波检测电路、视频电路后变成随机起伏的视频脉冲信号。
The RF pulse-to-pulse phase noise through microwave test circuit becomes a VF pulse signal of random fluctuation.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
本文得到了在波导传播中的无方向性点源的平均声压、平均强度和声信号振幅的起伏率。
The mean pressure, mean intensity, and the coefficient of variation of amplitude of the signal propagated in wave-guide were obtained in this paper.
本文讨论了能量受限下，以最大检测指数为最优化准则，在混响环境中缓慢起伏点目标检测的最佳信号设计问题。
This paper is concerned with the optimum waveforms foe detection in reverberation environment, under a maximum detection factor criterion with an energy constraint.
文中介绍了激光信号通过随机大气信道时，大气湍流效应造成了光束抖动、强度起伏，光束扩展和像点抖动等现象。
In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced.
本文采用声学检测的方法，对水平管和起伏管在单相气体和两相流体的情况分别进行了测试，得到了相应的声波信号。
The paper used acoustic detection method; tested the horizontal pipeline and undulating pipeline in single-phase and two-phase flow situations, and gained the corresponding acoustic signals.
该方法同时旋转多个天线单元的信号源的相位，能够使被测信号的起伏显著增加。
This method synchronously rotates the sources 'phases of more than one antenna element, and makes the signal vary more significantly.
最后在第三部分，研究一类非线性内波导致信号幅度起伏机理。
The fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed in third part.
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.
第二个是采用现代谱估计技术（最大熵法，最小交叉熵法）分别对雷达发射信号脉内及脉间的起伏特性进行分析。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
研究一类弱非线性内波导致的声信号幅度起伏机理。
Thirdly, the fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed.
意思就是说重力异常中频率比较高的信号可能与沉积层覆盖下的基底的起伏有关。
It follows, that where the igneous basement is concealed by a sediment cover, the gravity anomaly may contain a high spatial frequency signal corresponding to the morphology of the buried basement.
介绍了雷达中频回波信号的设计原理，推导了不同波形种类的回波信号表达式，并为目标建立了4种截面积起伏模型。
The design principle of radar intermediate-frequency echo is introduced; different kinds of expression of echo signals are deduced, and 4 categories of wave of target cross section are modeled.
在地形起伏剧烈的山区，地震波信号接受、直流及时间域电测深深度等因素限制了以上测深方法的发挥。
In the dramatic mountain terrain, seismic wave can't be received easily; DC and time domain sounding are limited by the above reason.
新的算法克服了传统算法受地面场景非均匀性和回波信号起伏的影响，大大提高了估计的精度。
The new algorithm obviates the effects of non homogeneity in sight and fluctuations of echoes, and the precision of estimation is improved significantly. These algorithms ar...
中国的通胀信号一直很隐蔽，原因是价格上涨主要集中在食品领域，尤以猪肉和鲜蛋为甚，而其他消费品价格却无多大起伏。
Inflation signals have been tricky to decode, because most of the price gains in China have come from food products, particularly pork and eggs, while prices of other consumer goods remain flat.
中国的通胀信号一直很隐蔽，原因是价格上涨主要集中在食品领域，尤以猪肉和鲜蛋为甚，而其他消费品价格却无多大起伏。
Inflation signals have been tricky to decode, because most of the price gains in China have come from food products, particularly pork and eggs, while prices of other consumer goods remain flat.
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