无线电信号传播得很快。
建立了目标噪声信号传播和衰减的数学模型。
Build target acoustic signal's transmission and attenuation math model.
介绍了微波信号传播性能测试的目的、方法。
The essay introduces purpose and method of propagation performance test of mircowave route.
信号传播是井眼轨道自动控制系统的重要组成部分。
Signal transmission is the principal part of automatic control system for wellbore trajectory.
HNN的连接权是非对称的，并且考虑了信号传播时延。
The HNN model considered the time delay of signal diffusion and had asymmetric weights.
在由于山区引起信号传播的阻碍的地区，讨论这样的情形。
Discuss the case where there might be defects in line-of-sight propagation caused by mountainous areas.
GPS测量机制的特点为单向电磁信号传播及透明的导航电文。
The specific points of GPS measurement mechanism are one way electromagnetic signal propagation and transparent navigation message.
根据实验电路图抽象出信号传播无向图，建立系统的信号传播机制。
The signal in system is transmitted by the undirected graph which is abstracted from experiment circuit diagram.
由于各种噪声的影响，以及声发射信号传播过程的复杂性，又给声源的识别带来一定的困难。
Because of the noise and complex of AE signal transmission characteristic, the recognition of AE source is very difficult.
基于时延测量的水声跟踪定位系统，当信号传播时延大于脉冲重复周期时，就会出现距离模糊。
For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.
减少元件和电路的几何尺寸，以达到增加电路的封装密度、减少功耗和减小信号传播延迟的目的。
The reduction in size of components and circuits for increasing package density and reducing power dissipation and signal propagation delays.
但是由于不同频率的信号传播的速度稍有不同，比较高频的部分会比低频的部分早一点到达地球。
Because of the differing speeds at which the different frequencies travel, however, the high frequency portions of the signal will arrive on Earth before the lower frequency portions.
信道估计是CD MA系统中的关键技术，涉及到对用户信号传播信道的幅度、相位和延时的估计。
The parameter estimation of the signal propagating channel in CDMA systems is a key technology, which involves estimation of amplitude and delay of signal propagating channels.
利用时间反转法对波源的自适应聚焦能力，重建信号传播波动图，通过信号聚焦显示损伤位置和区域。
Based on the focalization ability of time reversal theory to the wave origin, the wave propagation was rebuilt by an image method which displays the damage as the focusing point.
利用时间反转法对波源的自适应聚焦能力，重建信号传播波动图，通过信号聚焦显示损伤位置和区域。
Based on the focalization ability to the wave origin of time reversal theory, the wave propagation image is rebuilt to display the damage.
该扫描输入端与该触发器输入端之间的延迟大大地大于该数据输入端与该触发器输入端之间的信号传播延迟。
The delay between the scan input and the input of the flip-flop is substantially larger than the signal propagation delay between the data input and the input of the flip-flop.
并且，Wi - Fi信号传输约100米后，就渐渐消失，与之相比，空白频段信号传播范围则可能为几千米。
And whereas Wi-Fi signals Peter out after 100 metres or so, their white-space equivalents could have ranges of several kilometres.
辅助长码直捕的一个最重要的先验信息是时间信息，卫星信号传播时延估计是减少时域搜索范围的一个重要方面。
Time is important information for fast and direct acquisition of military code, and compression of signal's propagation delay time uncertainty is an effective means for it.
该算法基于遗传算法，使用故障信号传播路径上的信号线来构造算法的评价函数，使得算法具有最小的搜索空间。
An effective evaluation function is constructed, which use the signal line on the propagation path among the fault point and primary outputs. That makes the algorithm has the minimal search space.
基于人工神经网络(ANN)理论，提出一种利用ANN来模拟信号传播延迟、载波相位、信号功率等参量的方法。
Based on the theory of Artificial Neural Network (ANN), an approach to simulate signal propagation delay, carrier phase, power, and other parameters using ANN is proposed.
论文首先介绍OFDM的基本结构和OFDM 技术的应用领域，然后论述了移动通信中的多径信道成因对信号传播的影响。
Firstly, the basic structure and the application fields of OFDM is introduced, and then the reason of the mobile multipath channel's forming and its influence on signals is elaborated.
该延时元件在位于该扫描输入端与该触发器输入端之间的信号路径上，并于该扫描输入端与该触发器输入端间提供信号传播延迟。
The delay element is in a signal path between the scan input and the input of the flip-flop, and provides a signal propagation delay between the scan input and the input of the flip-flop.
尽管先前的研究已经证实，光的“群速度”可以超越光速c，而“信号传播速度”——光携带的信息的传播速度——不能超越光速。
Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" - the speed at which information travels - cannot.
尽管先前的研究已经证实，光的“群速度”可以超越光速c，而“信号传播速度”——光携带的信息的传播速度——不能超越光速。
Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" -the speed at which information travels -cannot.
GPS定位的精度受到诸多因素的影响，其主要误差来源包括与GPS卫星有关的误差、与信号传播有关的误差、与接受设备有关的误差。
Precision of GPS location is effected by many elements. Major error origins are error related with GPS satellite, error related with signal propagation and error related with accepting equipments.
通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。
By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.
拉尼的友善——她温暖的微笑，她的点头，她的“我在这里为您服务”的态度——都是无声的信号，这不会通过电线传播。
Rani's friendliness—her warm smile, her nods, her 'I'm here for you' attitude—were all silent signals that didn't travel through wires.
这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。
This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.
这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。
This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.
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