English translation for "距离模糊"
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- distance fog
range ambiguity
Related Translations:
泪眼模糊: eyes blurred by tears 模糊分类法: fuzzy classifier method
- Example Sentences:
| 1. | Lots of approaches have been put forward up to now , but most of them take measures on hardware , which make the system more complicated to some extent
长期以来，人们提出的抗距离模糊方法无论是改造声信标还是改造接收机，都是基于硬件方法，增加了系统的复杂性。 | | 2. | Range ambiguities and phase wrapping are the two main problems during acoustic ranging , direction finding , tracking and positioning . we mainly discuss range ambiguities
距离模糊和相位模糊是水声测距、测向、跟踪定位中的两大模糊问题，抗距离模糊是本文研究的主要内容。 | | 3. | Two steps are designed for the fault detection ; firstly , the method of fusion information from multi - sensors based on fuzzy inference through the opinion distance is used for local information fusion , so the stability of omen variants are guaranteed
将故障检测分为两步完成，首先运用本文提出的基于决策距离模糊推理的多传感器数据融合方法进行局部信息融合，保证征兆变量的可靠性。 | | 4. | Compared with the same kind of systems , it resolved ambiguities on software rather than hardware with two representative approaches , one is to resolve ambiguities by majority rule and the other by a given reference to the target location
基于现代信号处理技术以及对系统信息的充分利用，软件方法消除距离模糊变得可行，这是本文所依托的项目? ? “水下目标跟踪系统”的关键技术及主要特色之一。 | | 5. | 1 ) the ground clutter is very strong when radar works in its down - look mode . 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform . 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain
地面动目标检测的最大难点： 1 )雷达下视时地杂波特别强; 2 )由于平台运动，地杂波存在着空时耦合，杂波谱展宽； 3 )为避免距离模糊，采用较低的重复频率，但会存在多普勒模糊，地杂波谱扩散到整个多普勒域。 | | 6. | The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance , analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array , comparing the measuring error of two kinds of array , and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging
对被动测距技术的研究工作主要包括：简单介绍了水声定位的几种方法，并对其性能进行了分析对比，分析了三元对称阵和非对称阵测向测距的原理，对两种阵型的测向测距误差进行了对比分析，还给出了一般阵型测向测距原理，最后还对被动测向测距中存在的相位模糊和距离模糊问题进行了探讨。 | | 7. | By using the processing method of sliding time window , the problem of the periodicity range ambiguity is solved . meanwhile , the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method . then , the pulse width parameter which is the most important in the parameters of fmicw is analyzed . the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing . at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同时利用该方法解决了fmpcw信号的由于目标距离超过雷达的最大单值测距范围而引起的距离模糊问题。然后对fmicw波形参数中最为重要的脉冲宽度进行了分析,给出了更为严格的约束条件,保证了信号处理后距离谱峰值的唯一性。最后,分别介绍了fmpcw和fmicw信号的不同处理方式,并对两者不同的时域滤波性能进行了比较,并对二者的差异进行了分析。 | | 8. | The main work of the first part includes : analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array , comparing the measuring error of two kinds of array , discussing the characteristics of time delay in passive distance measurement , giving valid method of time delay estimation , and discussing the restriction of this method and the distance wrapping in passive ranging
对三元非对称阵被动测距技术的主要研究工作包括：分析了三元对称阵和非对称阵测向测距的原理，对两种阵型的测向、测距误差进行了对比分析，探讨了三元阵被动测距中时延差的特点，提出了有效的时延差估计方法，并对该方法的局限性以及被动测距中存在的距离模糊问题进行了探讨研究。 | | 9. | Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors . usually the target - receiver range can be got by the propagating time of a signal pulse . if this propagating time is larger than the pulse repetition period , it will mean that more than one signal pulse are on propagation
主动水声跟踪定位系统通过测量脉冲信号的传播时延可以测得目标相对接收机的距离，当此传播时延大于系统同步周期时，时延测量就会呈现不确定性，可能相差若干个重复周期，导致定位解多值，称之距离模糊现象。 | | 10. | Based on the analysis of the beat frequency signal , the expression of the beat frequency phase is deduced . the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods . by using two - dimensional fft , the range and velocity information of target is got out from the echo . according to the periodicity range ambiguity of symmetrical pulses in fmpcw , the processing method of sliding time window is used
通过对差频信号进行的分析,得出了差频相位的具体表达式,表现出了要检测的各量的物理意义,对检测的方法提供了理论依据。利用二维fft方法,可以有效地提取回波中目标的距离与速度信息。对于fmpcw信号由于均匀脉冲产生的周期性距离模糊的问题,采取时间波门的处理方法。 |
- Similar Words：
- "距离矛盾原则" English translation, "距离美丽很遥远" English translation, "距离美丽遥远" English translation, "距离瞄准" English translation, "距离瞄准误差" English translation, "距离模拟显示" English translation, "距离模数" English translation, "距离某处很近" English translation, "距离某处很远" English translation, "距离你遥不可及" English translation
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