pilot frequency
英 [ˈpaɪlət ˈfriːkwənsi]
美 [ˈpaɪlət ˈfriːkwənsi]
网络 导频
双语例句
- Although traditional algorithm which combines cyclic prefix ( CP) with pilot carrier is very effective to frequency offset estimation, its computational complexity is high.
传统的基于导频和循环前缀的算法虽对频偏估计很有效，但计算复杂度较高。 - Pilot beacon devices are available in the frequency shift and demodulation modes.
在频移和解调模式下，飞行导向设备是有效（可实现）的。 - Based on characteristics of the proposed pilot, an improved frequency domain least squares channel estimation method is proposed.
根据该导频的特性，提出了一种改进的频域最小二乘信道估计算法。 - A symbol synchronization method for digital communication is proposed, and it is a indirectly inserted pilot frequency based on pulse width modulation ( PWM).
提出了一种用于数字通信的位同步方法，它是基于脉宽调制技术的间接插入导频法。 - According to block pilot arrangement, a correlation coefficient method based on selecting frequency correlation of channel is proposed in this paper.
本文基于块状导频方式，提出了选取相关子载波的相关系数法来简化维纳滤波的信道估计方法，该方法在估计性能损失不大的情况下，有效地降低了计算复杂度。 - There are different ways to make the bit synchronization, for example: the technique of the pilot frequency, the technique of some change about the baseband signal.
为了保证在同步传输系统中的位同步，有导频及对基带信号信号直接变换的方式，直接变换的方式中，使用线路编码是比较常见的。 - The effects of atmospheric turbulence on the detection of the pilot frequency signal of the laser communication systems in atmosphere
大气湍流对激光大气通信机导频信号检测的影响 - Fault diagnosis of the pilot tracking system of astronomical telescope by frequency analysis
基于频谱分析的天文望远镜跟踪实验系统故障诊断 - Fine Symbol Synchronization Technique Based on Pilot in Frequency Domain
基于导频的频域符号细同步 - In this algorithm, the same pilot sequences in symbols were inserted while the carrier frequency offset was estimated in the receiver by correlating pilot sequences from adjacent symbols.
算法的关键是在发送符号中插入相同的导频序列，利用相邻导频序列的差分相关值的相位来估计载波频率偏差。 - This paper proposes a new method of pilot arrangement for channel estimation in Single-Carrier modulation with Frequency Domain Equalization ( SC-FDE) systems, and analyzes its performance.
本文提出了一种全新的适合于单载波频域均衡系统信道估计的导频方案，并分析了其性能。 - A new postfix signal, called "PP"( Pilot Postfix), for Orthogonal Frequency Division Multiplexing ( OFDM) system is proposed.
本文提出了一种可用于正交频分复用（OFDM）系统的新型后缀信号-导频后缀（PP：PilotPostfix），并以此设计了PP-OFDM系统。 - A class of optimum pilot in frequency domain for multi-input multi-output orthogonal frequency division multiplexing system ( MIMO-OFDM) in doubly selective channels is designed based on the frequency domain response of the channel.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。 - This paper presents a blind and adaptive fine frequency-offset estimation method firstly, and then proposes a coarse frequency-offset estimation method based on pilot frequency. Finally, simulation results verify these methods.
为此该文给出了一种基于导频的粗频偏估计方法和盲自适应细频偏估计算法，并通过仿真验证了所给方法的有效性。 - Under analyzing several characteristics of frequency-selective fast fading channels, such as large Doppler spread and multi-path interference, a low-dimensional Kalman filter method based on pilot signals is presented for the channel estimation of orthogonal frequency division multiplexing ( OFDM) systems.
针对频率选择性快衰落信道的多径干扰和较大的多普勒频率扩展，提出了一种基于导频的低维Kalman滤波算法用于正交频分复用（OFDM）系统信道估计。 - While pilot frequency score is bigger or equal than length of equivalent channel response of system interval sampling, Analysis and simulation results show that this algorithm can successfully achieve the fast channel estimation for FH-OFDM systems.
分析和仿真表明该算法能顺利完成跳频-正交频分复用系统的快速信道估计工作。 - After studying Monte Carlo algorithm, I propose a new multi-antenna time-varying channel blind estimation algorithm, which can track the fast varying channel efficiently without pilot and in the system frequency offset scenarios.
研究了蒙特卡罗算法，提出的基于蒙特卡罗算法的多天线时变信道的盲估计算法，在不需导频和存在频偏的情况下能有效地跟踪快变信道。 - Optimal control pilot modeling technique in frequency domain analysis is an effective methodology used to analytically evaluate the handling qualities of aircraft with fly by wire flight control systems in the approach and landing task.
采用最优控制驾驶员模型在频率域内分析是理论评价电传操纵飞机着陆下滑状态飞行品质的一种有效方法。 - A Pilot Subcarrier-based Joint Frequency Offset Correction and Channel Estimation Method for OFDM Systems
OFDM系统中一种基于导频子载波的联合频率偏移纠正和信道估计方法 - By The Use Of DSP To Realize Stereo Coder Based On Pilot Frequency
用DSP实现导频制立体声编码器 - Pilot Research on Solution of Fuzzy Velocity Utilizing Repeat Frequency of Double Pulse
利用双脉冲重复频率解速度模糊的初步探讨 - If indoor and outdoor the same pilot frequency signal will switch, in principle, indoor signals should be used when entered into indoor environment. According to this problem, the method of switch control and realizing smooth excessive is summarized.
原则上规定，进入室内就要用室内的信号，本文针对这个问题，归纳出了切换的控制和实现平滑过度的方法。 - We will provide detailed analyzes of these channel estimation and equalization issues. First, we discuss the classical channel estimation techniques based on frequency domain inserted pilot, and corresponding frequency domain equalization.
首先，本文对经典的各种基于频域导频的信道估计和频域均衡技术进行了归纳总结。 - This article characteristic is by many kinds of mentalities, in many kinds of way contrasts, seeks reduces and even eliminates the pilot frequency pollution nearby the windows of indoor coverage buildings in CDMA system.
本文的特点就是以多种思路、多种途径的对比中，寻求降低乃至消除CMDA室内覆盖楼宇窗边的导频污染问题。 - By applying the idea of designing pilot in frequency domain, another robust superimposed pilot scheme is proposed to eliminate the interference of dc-offset, which avoid the interference of dc-offset on channel estimation, and thus greatly reduced the complexity introduced to estimate the dc-offset.
基于该频域设计思路，又提出了一种可以消除直流干扰的叠加导频设计方法，避免了直流干扰对信道估计的影响，降低了为估计直流干扰而引入的复杂度。 - Due to that channel estimation based algorithms usually need long pilot frequency sequence, a significant overhead is inevitable.
基于信道估计的方法需要发送较长的导频序列，会造成频谱效率的损失。 - This paper analyzed the invariant channel, then on the base of time-varying channel, established several sequence based expansion model, after that, estimated the time domain channel using the pilot in frequency domain.
本论文中首先对时不变的信道进行了分析，然后针对时变无线信道建立了一个基扩展模型，该模型近似于时变信道。然后利用基于导频的时域信道估计方法进行信道估计。 - By reasonably setting the cell parameters, adjust the switching region, improve the pilot frequency planning, reduce pilot pollution, allowing the system to maintain a high quality of communication.
通过合理设置小区参数，适当调整切换区域、改善导频规划、减少导频污染，使系统维持较高的通信质量。 - Meanwhile, I also analyzed impacts towards network which emerges in a construction process by studying project cases and optimize the indexes of pilot frequency pollution Transceiver power, carrier-to-interference ratio, and jam situation via Metric Drive.
同时，论文通过现场工程实例，重点分析了实际工程中影响网络性能的因素，并通过路测对导频污染、收发功率、载干比、拥塞情况予以优化。