Their noise modulated to a concerted menacing growl punctuated by sharp yaps.
它们的喧闹声逐渐变为整齐划一的、带有威胁性的吼叫，还夹杂着刺耳的狂吠。
The LED intensity is modulated so rapidly that human eyes cannot notice, so the output appears constant.
LED强烈的调制速度是如此之快，人眼是察觉不到的，所以觉得输出(亮度)不变。
Dr Learned, however, reckons the pulse-period of a Cepheid could be modulated by a suitable beam of neutrinos.
而且，伦德博士测算出“造父变星”的脉动周期能够用适当的微中子束加以调整。
When laser light is bounced off the fibre, the reflected light is modulated in accordance with the electrical signals.
当激光从纤维上弹回后，反射的光会随着电子信号的改变而改变。
Photosynthesis is modulated by oxygen, and we have an oxygen-insensitive hydrogenase that we think will totally change this process.
光合作用受氧调节，而我们使用的对氧不敏感的氢化酶，将完全改变这一过程。
Olfactory is modulated by olfactory receptor gene.
嗅觉受嗅觉受体基因调控。
The impurity radiation can be interrupted by modulated IBW.
杂质辐射被离子玻恩斯坦波调制阻止。
He had a plump face, lemur - like eyes, a quiet, subtle, modulated voice.
他有一张胖胖的脸，狐猴般的眼睛，以及安详、微妙和富于抑扬顿挫的嗓音。
The random binary phase code phasing PD fuze is a novel modulated system of noise.
随机二相码调相PD（脉冲多普勒）引信，是一种较为新颖的噪声调制引信体制。
Active band-pass filter is a important section of pulse width modulated rebalance loop.
有源带通滤波器是脉冲调宽再平衡回路的一个重要部分。
The paper describes a seam tracking sensor with a signal source of modulated infrared beam.
叙述了一种以脉冲调制的红外光束为信号光源的焊缝跟踪传感器。
A functional unit that converts a signal into a modulated signal suitable for transmission.
将信号转变成适合于传输的被调制信号的一种操作装置。
In order to obtain enough bandwidth, HF radars use an irregularly frequency modulated waveform.
为了获得足够的带宽，雷达采用一种非规则频率调制的波形。
Objective To study and develop treatment planning system of intensity modulated radiotherapy(IMRT).
目的研制开发调强放射治疗逆向计划系统。
The laser source was modulated by the modulation circuit, so that the fluorescence signal was modulated.
信号调制电路通过对传感器系统的激光光源进行调制来调制荧光信号。
DEMODULATION, The process of retrieving information (modulation) voltage from a modulated carrier voltage.
解调，从载波电压中获得调制电压的处理过程。
He drew up his chair and modulated his voice to such a degree that what he said seemed wholly confidential.
他把椅子挪近些，语调变得那么轻柔，好像他在说什么悄悄话似的。
Modulation domain provides insight to complex modulated signals and opens a new field of measurement technology.
调制域为人们打开了分析复杂调制信号的新视角，开辟了测量技术的新天地。
The result indicates that the method is an effective way to extract the modulated information from radiated noise.
结果表明，该方法用于噪声中调制信息检测是一种有效的手段。
The forming mechanism of the bias force is the key to the study of the modulated steerable rotary drilling system.
导向力的形成机理是研制旋转导向工具的核心。
It provides a modulated clock source that reduces electromagnetic emissions and associated harmonics at the source.
它提供了一个可调时钟源，可以从源头上减少电磁辐射和相关谐波。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
In this paper the model of two level atomic momentum spread in amplitude modulated standing light wave was investigated.
分析了二能级原子在振幅调制驻波场中动量扩散模型。
This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.
本文对窄脉冲调制的高频大功率源进行理论分析和电路设计。
These characteristics of spectral correlation can be used to classify modulated signals, even when the signals are buried in noise.
利用谱相关函数的这些性质可以识别出噪声中的调制信号。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
This paper describes a novel all fiber compensation network for an intensity modulated optic fiber with three-access and its mathmatical model.
本文介绍一种新颖的三节点式光纤强度调制传感器全光纤补偿网络的原理和建模。
The transmission spectrum of multiple quantum well structure with thickness-modulated dual-period was studied by means of transfer matrix method.
采用传输矩阵方法，研究了一维双周期厚度调制的多量子阱的透射谱。
His voice was oddly pleasant to the ear, the well-modulated voice of a gentleman, resonant and overlaid with the flat slow drawl of the Charlestonian.
他那声音，她听来觉得分外愉快，是一个上等人的节奏抑扬的调子，响亮而带有查尔斯顿人的平稳、和缓、悠长的韵味。
His voice was oddly pleasant to the ear, the well-modulated voice of a gentleman, resonant and overlaid with the flat slow drawl of the Charlestonian.
他那声音，她听来觉得分外愉快，是一个上等人的节奏抑扬的调子，响亮而带有查尔斯顿人的平稳、和缓、悠长的韵味。
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