该方法通过对原始声源运动轨迹的分析,对声源信号进行多普勒调频,并根据耳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.
从盲声源信号的独立性出发!提出了一种新的盲声源混合信号分离方法:该方法基于信号联合概率的分布统计!
Proposed a new mixed-signal blind sound source separation method: This method is based on joint probability distribution of signal statistics!
声学时反镜是指由收发合置的换能器组成的基阵对声源信号进行接收、时间反转和再发送,时反后的信号会在声源处实现聚焦。
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.
为了对微波辐射计进行星载条件下的仿真研究,本文采用伪随机信号来仿真微波辐射计的噪声源。
To simulation study microwave radiometer. under spaceborne condition this paper simulates the noise sources of microwave radiometer by artificial random signal.
为了验证信号相位匹配原理的正确性,利用自制的16元线列阵,在水库进行了声源定向实验研究。
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.
采用白噪声信号作为标准声源的输入信号,在常温无气流条件下对消声器实物模型进行了静态放声试验。
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.
在高散射的生物组织图像中,散斑具有双重身份,即作为噪声源和作为组织微结构的信号载体。
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.
应用实例表明,小波技术与传统信号处理方法相结合可以更有效地进行声源检测与故障诊断。
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.
我利用TI公司性价比很高的数字信号处理芯片TMS320 VC 5402设计了一套声源定位系统。
We designed one system using high capability price ratio DSP chip of TMS320VC5402 of ti Corporation.
利用矢量水听器接收确知脉冲信号来确定声源方位时,脉冲信号形式可以考虑采用M序列调相信号,具有良好的抗多途效应。
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.
由于各种噪声的影响,以及声发射信号传播过程的复杂性,又给声源的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.
声源定位是阵列信号处理的主要任务之一,是实现空间滤波的基础。
The localization of the speech source is the primary task of the array signal processing, and the basis of spatial filter designing.
籍助对舰船噪声通过特性信号的时频分析,得到了若干典型舰船的噪声源强度谱纵向分布特性。
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.
本文主要分析偏相干分析中噪声信号功率谱的处理及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.
运用主成分分析方法,经过矩阵变换,提取振动信号的主要信息,从而实现对振动噪声源的分析。
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.
传感器和信号地之间的共模电压VCM来自周围杂散电容耦合带来的噪声源。
VCM, the common-mode voltage between the sensor and the signal ground, results from nearby noise sources resulting from stray capacitive coupling.
利用模拟声源特征的标准反信号方法是不够的,尤其是在低频率情况下。
Standard designature methods, using modeled acoustic source signatures, were inadequate, especially at low frequencies.
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.
对SQ 6450轻型汽车进行了噪声测试,通过对噪声信号的频谱分析和相干分析,找出了主噪声源,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.
在自由声场声源的条件下,测量是由左右耳耳膜处的记录信号组成,测得的HRTF幅度特性的变化为声源位置的函数。
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.
利用功率谱分析噪声信号的特性,利用相干性确定噪声源。
利用功率谱分析噪声信号的特性,利用相干性确定噪声源。
应用推荐