Simulation shows co-channel interference and maximum multi-path delay spread have significant impact on the BER performance and PDMRC gives the best performance in most common environment.
仿真表明同信道干扰与最大多径延迟扩展对系统性能影响很大，在通常情况下采用PDMRC具有最好的性能。
Study on the interference of the noise source of the test system, analyzing the spreading primarily path with kind.
研究干扰测试系统的噪声源，分析噪声主要的传播途径和性质。
The results show that the developed antenna choke ring can effectively reduce the multi-path effects and can improve the interference-resistant ability of the single frequency GPS receiver, NTSCGPS-1.
结果表明，研制的天线扼流圈可有效地削弱多路径效应的影响，并可明显地改善单频GPS接收机ntscgps - 1的抗干扰能力。
A theory analysis is made for a phenomenon of "line group" which is bell shaped, and the spectrum interference between direct path sound and reflected sound is revealed.
从理论上分析了钟型的“线谱群”的产生原因，证明了此现象是反射声和直达声之间的谱干涉引起的。
The effect of the incident angle on the optical path difference, state of polarization and interference fringes of the system is deduced in detail.
具体分析推导了光线入射角变化对这种新型的可调横向剪切量萨伐尔偏光镜的光程差、偏振度以及对系统干涉条纹的影响；
Due to its high spectrum utilization and good capability of preventing muti - path interference, OFDM is regarded as the core technology in Beyond 3g mobile communication system.
OFDM技术以其高的频谱利用率和良好的抗多径干扰能力，被看作是3G以后移动通信的主流技术。
Irregularities in the ionosphere result in signals travelling by more than one path and this can produce interference and consequent difficulties in communications.
不规则性在电离层导致信号旅行由超过一个道路和这可能导致干涉和结果困难在通信。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The characteristic of self mixing semiconductor laser, which can predigest the light path structure of the interference system, is introduced.
利用自己混合型半导体激光器的特点 ，大大简化了干涉系统的光路结构 。
The transmitting environment of MIMO system is always a mobile and multi path environment, so the receiver must get rid of the inter symbol interference and the inter channel interference.
MIMO系统的传输环境是移动的多径衰落环境，因此接收端必须消除接收信号的符号间干扰利通道间干扰。
The kind of virtual simulation provides basis for the verification of dynamic and static interference, path planning, and the parametric design of the grinder.
文中的虚拟仿真与分析也为机床结构设计中的动静态干涉、轨迹规划的合理性及参数设计的合理性评价提供了依据。
An algorithm for tool path generation of nc machining by projection method is presented in this paper and the interference checking of the cutter is carried out.
提出了用投影方法来生成nc加工刀具轨迹的算法，并完成刀具干涉的检查。
Existing multipath routing protocols usually ignore the inter-path interference which can seriously affect the performance of data transmission.
而多路径之间的干扰对于多径路由协议的整体数据传输性能有着重要的影响。
The interference-free tool path planning is given.
给出了平头铣刀的无干涉路径规划。
The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.
结果表明，极坐标投影法可以得到无干涉的五轴加工刀位数据，并可以获得均匀变化的刀轴矢量。
Some problems about the distance ambiguity and multi-path interference are also analysed.
对距离模糊、多途干扰等问题亦作了分析。
It has the following features, such as large communication capacity, low radiation power density, good ability against Multi-path interference, simple structure and excellent security performance.
它具有通信容量大、辐射功率密度低、抗多径干扰、结构简单、保密性能优良等特点。
This paper presents a new algorithm to calculate the CNC tool path directly from the 3D data cloud, eliminating all path interference at the same time.
提出直接根据单值曲面3维密集测量数据点云进行刀具半径长度补偿，生成刀具加工轨迹并有效清除刀具干涉的新算法。
The results show that this method can quickly determine the region of collision detection, and generate an interference-free tool path.
算例结果表明，该方法能够快速确定干涉检测范围，准确生成无干涉刀位轨迹。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落，以及大的多径时延而引起的符号间干扰。
The result shows it is helpful to generate interference free tool path, and supply programming data for continuous complementary machining, being stable, convergent and efficient when algorithm us…
该方法不仅可以在数控加工中生成无干涉刀位轨迹，而且可以为后续补充加工提供编程数据，在复杂曲面数控加工的自动编程系统中应用，稳定可靠，收敛性好，计算效率较高。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
根据短波信道的特点，抗多径干扰是主要的一个议题，由多径效应引起的码间串扰严重影响了短波数据传输的质量，所以有效的消除码间串扰非常重要。
It has a good performance in dealing with multi-path disturbance and Inter Symbol Interference(ISI), it has been applied broadly in the transmission of high-speed data.
根据短波信道的特点，抗多径干扰是主要的一个议题，由多径效应引起的码间串扰严重影响了短波数据传输的质量，所以有效的消除码间串扰非常重要。
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