• 方法通过原始声源运动轨迹分析,对声源信号进行多普勒调频,根据间时间差对双耳信号进行调相

    The sound signal is Doppler FM modulated based on the analysis of the moving track of the original source, and then phase modulated according to the interaural time difference.

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  • 声源信号的独立性出发!提出了一种新的声源混合信号分离方法方法基于信号联合概率分布统计

    Proposed a new mixed-signal blind sound source separation method: This method is based on joint probability distribution of signal statistics!

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  • 声学指由收发合置换能器组成的基阵对声源信号进行接收、时间反转发送,时反后的信号会在声源实现聚焦。

    Acoustic Time Reversing Mirror(TRM) can be implemented with an array of transducers that listens to a remote sound source and then transmits a time reversed version of what was heard.

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  • 为了微波辐射计进行星载条件仿真研究本文采用伪随机信号来仿真微波辐射计声源

    To simulation study microwave radiometer. under spaceborne condition this paper simulates the noise sources of microwave radiometer by artificial random signal.

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  • 为了验证信号相位匹配原理正确性利用自制16元线列阵,水库进行声源定向实验研究。

    In order to verify the validity for signal phase matching principle, the experiments of DOA (Direction of Arrival) estimation are carried out at reservoir by using 16-sensor array.

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  • 采用噪声信号作为标准声源输入信号常温气流条件下消声器实物模型进行静态放声试验

    After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.

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  • 散射生物组织图像中,散斑具有双重身份,即作为声源作为组织微结构信号载体

    In images of highly scattering biological tissues, speckle has a dual role as a source of noise and as a source of carrier of information about tissue microstructure.

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  • 应用实例表明小波技术传统信号处理方法相结合可以有效进行声源检测故障诊断

    The applying instance shows that the combining of traditional signal processing methods with wavelet conversion theory is more effective in the noise sources detection and fault diagnosis.

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  • 利用TI公司性价比很高数字信号处理芯片TMS320 VC 5402设计了声源定位系统

    We designed one system using high capability price ratio DSP chip of TMS320VC5402 of ti Corporation.

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  • 利用矢量接收脉冲信号确定声源方位,脉冲信号形式可以考虑采用M序列调相信号具有良好抗多途效应。

    M sequence signal can be chosen as the receiving deterministic pulse signal when using acoustic vector to determine the direction of the sound source. It possesses favorable anti-multipath capability.

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  • 由于各种噪声影响,以及发射信号传播过程复杂性,又给声源识别带来一定的困难

    Because of the noise and complex of AE signal transmission characteristic, the recognition of AE source is very difficult.

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  • 声源定位阵列信号处理主要任务之一,是实现空间滤波基础。

    The localization of the speech source is the primary task of the array signal processing, and the basis of spatial filter designing.

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  • 籍助对舰船噪声通过特性信号分析得到若干典型舰船声源强度纵向分布特性

    The longitudinal distributions of source intensity spectrum of several typical ships is given on the basis of time frequency analysis of the passage signature of ship radiated noises.

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  • 本文主要分析相干分析中噪声信号功率处理声源辐射面积的大小对相干分析结果的影响这两个问题。

    The paper mainly demonstrates the principles of the noise power pedigrees dispose and radiated noise areas impact in partial coherence analysis.

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  • 运用成分分析方法,经过矩阵变换,提取振动信号主要信息,从而实现振动噪声源的分析。

    The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.

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  • 传感器信号之间电压VCM来自周围电容耦合带来声源

    VCM, the common-mode voltage between the sensor and the signal ground, results from nearby noise sources resulting from stray capacitive coupling.

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  • 利用模拟声源特征的标准信号方法不够的,尤其是频率情况下

    Standard designature methods, using modeled acoustic source signatures, were inadequate, especially at low frequencies.

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  • 新的声源组合具有更高的声波能量输出,且达到了前所未有的信号纯度

    The flexural wave energy is propagated from two low-frequency shaker sources with unprecedented modal purity.

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  • SQ 6450轻型汽车进行噪声测试,通过噪声信号频谱分析相干分析,找出了声源,并提出了降噪措施

    In this paper the main noise source of SQ6450 type light car was judged by means of spectrum and correlation analysis of noise signal. The corresponding proposal reducing noise was presented.

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  • 自由声场声源条件下,测量左右耳耳膜处的记录信号组成,测得HRTF幅度特性的变化声源位置函数

    The amplitude variations of HRTFs are measured as a function of sound source locations. In this paper, the methods and the results of the HRTF measurement in recent years are analyzed.

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  • 利用功率谱分析噪声信号特性,利用相干确定声源

    By using coherent analysis, we can define the noise source.

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  • 利用功率谱分析噪声信号特性,利用相干确定声源

    By using coherent analysis, we can define the noise source.

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