英语释义

1. the finding of the azimuth of a distant transmitter by the use of a direction finder

片语

interferometer direction-finding干涉仪测

orientation方向；定向；适应；情况介绍

direction-finding net测向网

direction-finding chart测向图

Passive direction-finding被动测向

antenna direction-finding寻向天线

direction-finding precision测向误差

direction-finding system测向系统

英汉例句

• the narrow band propagator method is introduced to the wideband signal-subspace processing in the direction finding problem.

  将窄带传播算子方法引入宽带源测向的相干信号子空间处理中。

• direction finding is an important component of electronic warfare (ew) system. the direction finding precision may directly affect signal sorting, identification, location and jamming decision etc.

  测向是电子战系统的一个重要组成部分，测向精度直接对信号分选、识别、定位、干扰决策等都产生较大的影响。

• the algorithm selects baseline length satisfied stagger qualification, thereby solving conflict between accuracy of direction finding and maximum unambiguity angle.

  该方法选择基线长度满足一定的参差关系，从而解决了测向精度与最大不模糊角度之间的矛盾。

• to direction finding on antenna array, this paper first discussed classical algorithm -music algorithm in space spectrum estimate.

  较为详细地分析了智能天线中关于波达方向估计的music算法。

• this paper presents an algorithm for direction finding of the digital signal based on the multi-baseline system and analyzes the principle of digital phase distinguishing.

  本文介绍了多基线测向算法，对其解模糊原理及范围作了深入分析，并给出了常见宽带信号的数字鑒相算法。

• the algorithm constructs a error-probability density sum-matrix according to direction finding information, and determines the target which has the highest error probability density sum in the area.

  该方法根据测向信息，构造误差概率密度和矩阵，根据矩阵参数将测量区域内概率密度和的最大值点判定为辐射源位置。

• the principle of ml direction finding and fourth-order cumulants array extension is dissertated, then a new doa estimation method based on ml estimation and fourth-order cumulant is presented.

  论述了最大似然（ml）算法测向以及四阶累积量阵列扩展的基本原理，在此基础上给出了一种基于最大似然算法和四阶累积量的doa估计新方法。

• radar echo signal processing results show the validness of the above methods for the detection and direction finding of non-stationary targets with broad-beam hf radars.

  雷达实测数据处理表明，本文方法能有效地应用于宽波束高频雷达对非平稳目标的探测中。

• by simulation it is shown that the capability of direction finding for the prs under the multi-signal environment can be enhanced greatly by using the pulse leading tracking technique.

  仿真结果表明，根据脉沖前沿到达时间差分布情况，使用脉沖前沿跟蹤技术可以很好地提高导引头在多信号环境下的定向能力。

• after the theory of correlation interferometer and how to improve the precision of frequency hopping direction finding are introduced, of which the simulation and software has been completed.

  针对跳频信号的测向，简述了相关干涉仪原理以及影响系统测向精度的因素，进行了计算机仿真并完成了软件设计。

• the third part discusses the passive homing system, presents interferometer homing with array antennas and direction finding with two rotating antennas.

  被动寻的装置是其中的第三部分，主要阐述天线阵相干测向和双天线旋转测向体制。

• this paper analyses the overall tactics demand of integrated survey and direction finding equipment, and then approaches the feasibility plan for the military equipment.

  分析了新体制侦察测向装备总体战术需求，探讨了全波段侦察测向设备一体化的可行性方案。

• it is an improved algorithm of the method using specific weights to realize high-resolution direction finding with single channel receiver.

  这种跟蹤算法是用特定权实现单通道接收机高分辨测向的进一步完善。

• for the eigen-based direction finding technique, array sensor gain and phase uncertainties degrade severely its performance.

  基于阵列协方差矩阵特征分解的测向技术，在天线阵各通道特性不一致时，其性能会急剧下降。

• the functions and designing ideas of the software were reported according to the practice in the judgement of direction finding game with radiogoniometer.

  本文就无线电测向比赛的裁判工作实际，浅谈该项应用软件的功能与其设计思想。

• a new polarization smoothing algorithm is proposed for the 2-d direction finding of coherent cyclostationary signals.

  针对相干循环平稳信号，该文提出一种估计二维波达方向的新方法——极化域平滑法。

• after a sufficient and necessary condition of phase interferometer unambiguous direction finding is proved, two methods of ambiguity resolution by combination of long baselines are presented.

  在证明了多基线的相位干涉仪不产生测向模糊的充要条件后，讨论了两种用长基线组合解测向模糊的算法。

• direction finding of low probability intercept(lpi) signals is the difficult problem in modern ew system.

  低截获概率（lpi）信号的测向是现代电子战的一大难题。

• with the raise of the request of direction finding precision of radar intelligence reconnaissance equipment, the affection of direction finding receiver reveals day by day.

  随着雷达情报侦察设备对测向精度要求的日益提高，测向接收机的作用日益凸显。

• this paper discusses the direction finding characteristic of passive monopulse seeker.

  主要讨论被动单脉沖导引头对旁瓣目标的识别。

• direction finding is an important research subject in the electronic reconnaissance field.

  数字测向是电子侦察领域的一项重要内容。

• in this paper, we present a method of signal processing to implement super resolution direction finding with single channel receiver.

  本文提出一种新的利用单通道接收机实现方位超分辨的信号处理方法。

• this paper applies the array manifold interpolation wideband direction finding algorithm on uniform linear array, and gives other two methods of seeking transformation matrix.

  文中把阵列流行内插宽带测向算法应用到均匀线阵上，并给出了求变换矩阵的另外两种方法。

• mono-channel direction finding system attracts one's interest because of its simple hardware and low cost.

  单通道接收阵列测向系统设备量少，造价低，因而引起了人们的研究兴趣。

• this paper sets up the model of artificial neural network for acoustic direction finding systems of targets used in the battle field.

  从战场实际情况出发，建立了人工神经网络目标声定向系统模型。