• 时延估计被动定位关键

    Time-delay estimation is the key to the passive acoustic location.

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  • :高度定位一半捷克四喇叭定位

    Left: The height-locating half of the Czech four-horn acoustic locator.

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  • 喇叭定位英格兰:1938年。

    Left: a four-horn acoustic locator in England: 1938.

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  • 研究了自适应时延估计算法及其被动定位中的应用

    The frequency domain adaptive time delay estimation (FDATDE) algorithm is presented, followed by its application in passive acoustic direction.

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  • 即使这样我们也能听到一些蝙蝠发出的定位比如斑纹蝙蝠。

    Even so, we can hear echolocation clicks from some bats, such as the spotted bats.

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  • 被动定位技术由于被动接收、不容易察觉广泛应用于各类环境中目标探测。

    Passive acoustic localization has been widely used in the practice because of passive reception, good invisibility.

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  • 研究单基被动定位技术基础上,提出了基于双基阵的被动声定位基本原理和方法,高炮弹丸炸点的被动声定位进行了仿真实验。

    The results of simulation show that the accuracy of passive acoustic locating system based on dual arrays for shell burst of antiaircraft gun is improved, and can also be .

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  • 作为一个成像工具透镜冲击了波的显像因为脉冲可以更加紧密地聚焦,可以很容易地重新定位

    As an imaging tool, the acoustic lens beats ultrasound imaging because the sound pulses can be focused much more tightly and can be easily repositioned.

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  • 认为识别,就名字一样,咔嚓用来导航回波定位寻找猎物

    Whistles are thought to be identification sounds, like names, while clicks are used to navigate and to find prey with echolocation.

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  • 因此雄性食米鸟上地理定位器标牌研究人员通过播放雄鸟的抓住它们听起来星际大战》成名机器人R2-D2啾啾

    So researchers who want to tag males with geolocators catch them by playing a recording of a male's call, which to human ears sounds like the chirps of R2-D2, the robot of Star Wars fame.

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  • 不需多大,只需要稍微提高靠近电动车辆能够启动大脑机制对临近进行定位

    Just slightly enhancing the noise of an oncoming electric vehicle would be enough to engage the auditory mechanisms that the brain USES to locate approaching sounds, he adds.

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  • 这些定位继续部署雷达介绍希望说服德国美国探照灯仍然依赖位置

    These locators continued to be deployed when radar sets were introduced, in the hope of convincing the Germans that the us searchlight battalions were still dependant on acoustic location.

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  • 因此定位算法及其实现技术传感器网络核心技术之一

    So the orientation algorithm and its implementation is one of kernel technique of the acoustic sensor network.

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  • 提出一种被动传感器时延概率定位的综合处理算法

    A passive acoustic sensor network time-delay probabilistic localization algorithm is present in this paper.

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  • 介绍了一种高精度被动定位方法——聚焦波束形成定位

    A passive ranging method, using focused beam-forming, has a good precision in near field.

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  • 建立一种平面波被动定位模型利用简易被动传感器阵列,分析设计定位系统总体结构

    It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.

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  • 实际目标被动定位提供理论指导

    It offers a theory instruction of real passive acoustic location.

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  • 研究基于时延估计低空目标测无源定位理论算法

    The theory and algorithm for low altitude target localization based on time delay estimation (TDE) is studied.

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  • 连续扫描全息识别定位技术是对以往全息实验方法改进

    The acoustic holography technique for sound source identification and position by the method of continuously scanning improves the previous acoustic holography experiment.

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  • 本文的一部分研究了目标定位技术,分为平面目标定位空中目标定位

    The other part of the thesis discusses the target location problem which includes targets on the ground and in the sky.

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  • 采用基于分布边界点法的近场全息技术对运转状态下真空泵进行了识别定位研究

    The distributed source boundary point method(DSBPM) based nearfield acoustic holography(NAH) is used for identifying and localizing noise sources of the roots vacuum pump.

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  • 详细介绍了斜面焊口探伤采用程调节扫描比例进行缺陷定位计算方法给出了计算公式

    Method of calculation of defect site by ultrasonic inspection of indined plane welding has been described in detail, and formula have also been proved.

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  • 介绍半球对接焊缝探伤定位方法

    Ultrasonic flaw location in semisphere butt welds by sound path method is described.

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  • 针对广泛采用的平面四元十字定位方法存在固有缺点,提出了基于五元十字阵的低空目标测无源定位算法

    Considering the problems facing by the localization method for widely used four-element cross array, a five-element cross array scheme is proposed.

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  • 利用简易被动传感器阵列进行直升机目标定位

    A simple practical implementation of positioning system with passive acoustic sensor arrays for localizing helicopter was presented.

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  • 指出了最佳平面三阵元被动定位阵列几何特征

    The feature of optimum of passive acoustic location in plane is put forward.

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  • 同时,根据技术利用十字可以得到空间方位。

    According to acoustic localization technology, we can get hail clouds localization by using "cross array with five sound sensors", and get the distance by the time delay between lightning and thunder.

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  • 人类听觉空间定位机理做了深入的分析,探讨了三维立体增强技术虚拟杜比环绕重放技术的实现原理对其应用前景做了分析。

    The space sound image orientation principle of human hearing is analyzed. The principle and application of 3d stereo build up technology and virtual surround sound are discussed.

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  • 这套系统主要由水下应答器、载水下船载主控机组成。论文研究工作主要长程基线定位系统中传载水下头内收发单元硬件设计与实现。

    The research work of this article is the hardware design of receiving and transmitting unit in the under-water acoustic head of Long Range Ultra short Base-Line Positioning System.

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  • 这套系统主要由水下应答器、载水下船载主控机组成。论文研究工作主要长程基线定位系统中传载水下头内收发单元硬件设计与实现。

    The research work of this article is the hardware design of receiving and transmitting unit in the under-water acoustic head of Long Range Ultra short Base-Line Positioning System.

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