The directional source and environmental noise are further considered, and the effects of the effective length of transmitted signal on the receiver performance are investigated.
进一步考虑了发射源的指向性以及环境噪声的因素，同时分析了发射信号有效宽度对接收器检测性能的影响。
But if the goal is to reproduce sounds accurately, then a speaker must be either an acoustic point source (monopole, omni-directional) or an acoustically small bi-directional source (dipole).
但是，如果目标是精确的重放声音的话，一个扬声器必须是声学上的点声源(单极点，全向响应)，或者是一个声学上小的双向源(偶极)。
The young turtles, however, use the field primarily as a source of directional information for maintaining a heading.
然而，幼小的海龟主要利用磁场作为维持前进方向的信息来源。
Tivoli directory Integrator may be configured as a multi-directional feed so data that certain Profile updates made by users can be synchronized back to the source directory server and the hr system.
可以将TivoliDirectoryIntegrator配置为多方向提供，这样包含用户所提供的某些Profile更新的数据可以与源目录服务器和HR系统保持同步。
The source code is presented next. Note that if the light is a directional light, the vector with the first three components is normalised to save time latter.
函数的源代码如下。注意如果光源是方向光，向量的前三个部分将被归一化，来节省时间。
The energy shot by the source in the laboratory of seismic-physical model has significant directional difference, called source radiation effect of physical model.
地震物理模型实验室中采集所用震源激发的能量具有明显的方向差异性，这一特性称为物理模型的震源辐射效应。
The concentrating energy source focuses the energy down and reduces percussion for the ground by using the theory of directional charge.
聚能震源弹采用定向聚能的原理，使激发的能量集中向下，减少了对地面的冲击。
By regarding a linear light source as a directional rectangular light source with infinitesimal width, a simple formula is derived for calculating the diffuse reflection component.
通过将线光源看作一个具有无限细小宽度的有向长方形光源，我们得到了一个计算漫反射分量的简洁公式。
The feasibility to decompose the mixing data into source by directional clustering was demonstrated.
首先证明了可以采用方向性聚类方法对稀疏混合数据进行处理分离出原数据。
It can improve the image quality of the targets by controlling the directional characteristics of incident source wavefields at the targets.
控制照明偏移是面向地质目标的快速偏移技术，它可通过控制目的层处震源波场的方向特性，改善目标区域的成像质量。
The instrument adopts the bi-directional pulsed voltage as its exciting source, which has a better solution to the negative of capacitive and polarizational effects at the electrodes.
仪器采用双极性脉冲电压作为电导率测量的激励源，较好地解决高纯水电导率测量中的极化效应和电容效应对测量结果的影响。
This sphere serves as a diffuse light source, which enables measurements of the hemispherical reflectance, or the directional absorptance, respectively.
这个球作为扩散光源，使测量的半球形或定向吸收率的反射系数，分别使用。
Based on a method of bi-directional light tracking, it works out the best length of lamp-source and the distribution of lamp on the screen with this lamp-source.
采用射线跟踪法，通过模拟计算得到最优光源的长度和最优长度时，在灯前测试屏上照度分布。
Based on a method of bi-directional light tracking, it works out the best length of lamp-source and the distribution of lamp on the screen with this lamp-source.
采用射线跟踪法，通过模拟计算得到最优光源的长度和最优长度时，在灯前测试屏上照度分布。
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