即使这样，我们也能听到一些蝙蝠发出的回声定位声，比如斑纹蝙蝠。
Even so, we can hear echolocation clicks from some bats, such as the spotted bats.
时延估计是被动声定位的关键。
Time-delay estimation is the key to the passive acoustic location.
研究了频域自适应时延估计算法及其在被动声定位中的应用。
The frequency domain adaptive time delay estimation (FDATDE) algorithm is presented, followed by its application in passive acoustic direction.
被动声定位技术，由于被动接收、不容易被察觉，广泛应用于各类环境中对目标的探测。
Passive acoustic localization has been widely used in the practice because of passive reception, good invisibility.
因此想给雄性食米鸟上地理定位器标牌的研究人员通过播放雄鸟的叫声抓住它们，那声音听起来像《星际大战》成名机器人R2-D2的啾啾声。
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.
为实际声目标被动定位提供理论指导。
It offers a theory instruction of real passive acoustic location.
因此定位算法及其实现技术是声传感器网络的核心技术之一。
So the orientation algorithm and its implementation is one of kernel technique of the acoustic sensor network.
利用简易被动声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.
对人类听觉的空间三维声像定位机理做了深入的分析，探讨了三维立体声增强技术、虚拟杜比环绕声重放技术的实现原理，并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.
介绍了一种近场高精度被动定位方法——聚焦波束形成声图定位。
A passive ranging method, using focused beam-forming, has a good precision in near field.
连续扫描声全息声源识别定位技术是对以往声全息实验方法的改进。
The acoustic holography technique for sound source identification and position by the method of continuously scanning improves the previous acoustic holography experiment.
研究了基于时延估计的低空目标声测无源定位理论与算法。
The theory and algorithm for low altitude target localization based on time delay estimation (TDE) is studied.
海豚另一有名的特点是它们可以使用独特的像声波定位器一样的敲击声来确定食物和障碍物的位置，每一头海豚都有自己与众不同的声音，他们靠发出这种声音互相交流。
They are well-known for the unique clicking sound they use like sonar to locate food as well as obstacles. Every dolphin has its distinctive individual whistling sound used for communication.
采用基于分布源边界点法的近场声全息技术对运转状态下的罗茨真空泵进行了噪声源识别和定位研究。
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.
这套系统主要由水下应答器、传载水下声头和船载主控机组成。本论文的研究工作主要是长程超短基线定位系统中传载水下声头内收发单元的硬件设计与实现。
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.
针对广泛采用的平面四元十字阵定位方法存在的固有缺点，提出了基于五元十字阵的低空目标声测无源定位算法。
Considering the problems facing by the localization method for widely used four-element cross array, a five-element cross array scheme is proposed.
建立了一种平面波声被动定位模型，利用简易被动声传感器阵列，分析并设计了定位系统的总体结构。
It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.
详细介绍了在斜面焊口超声波探伤中采用声程调节扫描比例进行缺陷定位的计算方法，并给出了计算公式。
Method of calculation of defect site by ultrasonic inspection of indined plane welding has been described in detail, and formula have also been proved.
介绍半球对接焊缝超声探伤的声程定位方法。
Ultrasonic flaw location in semisphere butt welds by sound path method is described.
文章对目前常采用的定位方法进行了分析，提出了用双直角三角形阵对声目标进行定位。
The paper analyzes various methods of target location, and presents a method of acoustic target location with a dual righttriangle array.
哨声被认为是识别的声音，就像名字一样，而咔嚓声则是用来导航和回波定位寻找猎物。
Whistles are thought to be identification sounds, like names, while clicks are used to navigate and to find prey with echolocation.
哨声被认为是识别的声音，就像名字一样，而咔嚓声则是用来导航和回波定位寻找猎物。
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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