因为测量的引发是由脉冲的前导沿控制的，除非设置一定的预触发延迟，否则会丢失部分脉冲、造成频谱失真。
Since the measurement initiation is controlled by the leading slope of the pulse, part of the pulse is lost and the resulting spectrum is distorted unless some pretrigger delay is specified.
先前基于宏观电磁波(包含大量光子)的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。
Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
有一种仪器被称为“引导者”(pacemaker)植入大脑主干，它能够发送电子脉冲到大脑特定的部分。
A device called a brain pacemaker implanted in the brain stem can send electrical impulses to specific parts of the brain.
图片靠近中心部分的白色光源为一种密度大，急速旋转的中子星，或是脉冲星--都是核心坍缩的超新星爆炸的残留物。
The white source near the center of the image is a dense, rapidly rotating neutron star, or pulsar, all that remains of a core-collapse supernova explosion.
例如，人的大脑就是依赖电脉冲释放出依附于神经传输体的钙离子，然后依次地向神经系统的其余部分发出信号。
Human brains, for example, rely on electrical impulses to release calcium ions that bind to neurotransmitters that, in turn, communicate with the rest of the nervous system.
其中大部分用来维持突触，让大脑即使在无事可做时也保持警觉。突触是神经细胞间的连结，脉冲信号通过它们在细胞间传导。
Most of this energy goes towards maintaining synapses, the junctions across which impulses jump from nerve cell to nerve cell, keeping the brain alert even when it is not doing anything.
其中大部分用来维持突触，让大脑即使在无事可做时也保持警觉。 突触是神经细胞间的连结，脉冲信号通过它们在细胞间传导。
Most of this energy goes towards maintaining synapses, the junctions across which impulses jump from nerve cell to nerve cell, keeping the brain alert even when it is not doing anything.
这种激光器的相反工作模式才是它真正的新奇之处，其中大部分时间光线是打开的，但它在很短的闪烁及非常短暂的暗脉冲里关闭。
"What's really novel is that this laser works in the opposite mode, where most of the time the light is on, but it turns off in very brief flashes, very brief dark pulses," said Wiener.
图像部分是JPEG 2000压缩文件，然而音频部分是线性PCM（脉冲编码调制）。
The image part is JPEG 2000 compressed, whereas the audio part is linear PCM.
脉冲星并不是一种正常的恒星，它是超新星爆炸后留下的高密度快速旋转的残余部分。
A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.
通过天体观测，我们已经确认了银河系里约1800颗脉冲星，其中大部分都能发射出无线脉冲信号，信号的强弱随着这些脉冲星的旋转产生变化。
Sky surveys have identified about 1800 pulsars within the Milky Way, most of which emit pulsing radio signals that rise and fall as the pulsars spin.
在每个阶段宇宙中都会有极其强烈的能量改变脉冲，显而易见，我们都是这个成长的过程和烦恼的一部分。
There are extreme energy changes pulsing through the universe at every level and, of course, we are all part of the growing process and the growing pains.
雷达脉冲测量是雷达、EW和ELINT系统的关键组成部分。
Radar pulse measurements are a critical part of radar, EW and ELINT systems.
这样的话我们就不能把信号的所有部分都结合起来，也就看不到外太空脉冲那明显的尖峰了。
In that case we would never add up all the parts of the signal at the same time, and would never see the clear spike that tells us that a pulse from outer space has been received.
信道估计器部分42使用已知搜索技术辨别信道脉冲响应。
A channel estimator portion 42 USES known searching techniques to discern a channel impulse response.
有源带通滤波器是脉冲调宽再平衡回路的一个重要部分。
Active band-pass filter is a important section of pulse width modulated rebalance loop.
根据视频处理通道中的直流电平恢复电路的性能，部分或全部的同步脉冲不会从绿色通道中移除。
Depending on the performance characteristics of the DC restoration circuitry within the video processing channel, some or all of the sync pulse may not be removed from the green channel.
这里CPLD主要实现逻辑控制部分的作用，主要完成了采样脉冲产生、地址译码等功能。
We use the CPLD to realize some control circuits, such as address decoder circuits and generate the sample impulses.
描述：一种装置，转换声音成电子脉冲，允许利用无线电波直接对准身体(皮肤)的任何部分的方式传传递信息到大脑。
Description: a device that converts sound to electrical impulses; allowing information to be transmitted to the brain by means of radio waves directed at any part of the body (skin).
超快激光脉冲是实现超高速通信最为重要的部分。
Ultra-fast laser pulse is the most important part of the ultra-fast communication systems.
驱动部分又包括恒电流控制，恒功率控制和脉冲调制控制三个方面。
The part of driving includes constant current control, constant power control and pulse modulation control.
天文学家相信，这颗钻石星球是一颗大星球的残骸，它的大部分成分被这颗脉冲星吸住。
The astronomers believe that the diamond planet is all that remains of a once massive star, most of whose matter was siphoned off towards the pulsar.
在本文的第四部分，根据脉冲噪声的概率分布特点，提出了一种新的去除这类噪声的算法。
According to the characteristic of impulse noise, a novel algorithm for detecting of impulse noise point from images based on directional derivatives are proposed in section four.
在第二部分中，同样的方法，我们讨论了一阶脉冲微分方程积分边值问题。
In part II, by the same way, we consider first-order impulsive differential equations with integral boundary value problems.
由于环流的影响，实验结果部分与期望值相符，对高温超导空心脉冲变压器的设计具有一定参考意义。
For the circumfluence, the experiment results partially match the expectable results, which gives some references for HTS air - core pulse transformer design.
本论文的研究工作分为两个部分：被动测距技术研究和声呐脉冲侦察模块系统硬件的研制。
The research work of the dissertation includes the following two parts: researching the passive ranging technology and developing system hardware of the sonar pulse detection module.
定时器是雷达系统的重要部分，它为雷达全机提供所需的各种主脉冲定时信号和波门定时信号。
Timer is an important part of Radar system, it affords system all the AP timing signals and wave gate timing signals.
因此脉冲成形滤波器的设计是最优LOFDM系统设计的重要组成部分。
Therefore, design of pulse shaping filters is an important task for design of optimal LOFDM system.
因此脉冲成形滤波器的设计是最优LOFDM系统设计的重要组成部分。
Therefore, design of pulse shaping filters is an important task for design of optimal LOFDM system.
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