acoustic frequency的例句大全

the development of an audio stimulation generator used for measuring acoustic frequency vibration characteristics of plants

植物声频振动特性检测系统中音频刺激发生器的研制

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Application of acoustic frequency technique in shipbuilding technology

声频技术在船舶建造工艺中的应用

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Application of acoustic frequency technology to protected vegetable production

植物声频控制技术在设施蔬菜生产中的应用

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Hot firings show that the frequency of the oscillating shock is close to the acoustic frequency.

热试结果表明,振荡激波的频率与声频相近.

词典精选例句

Inversion method of physical parameters in concrete based on the acoustic frequency detection technique

基于音频检测技术的混凝土无损检测技术

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Research on Effect of Technology on Plant Acoustic Frequency Control in Cotton

植物声频控制技术在棉花上的应用效果研究

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The higher the acoustic frequency is, the stronger its directivity is.

而且所有声频均有指向性,声频愈高, 指向性愈强.

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Tikhonov regularization numerical method for recovering the shape of an obstacle from the information of time harmonic incident acoustic wave and far field pattern of the scattered wave with frequency in the resonance region is investigated.

用Tikhonov正则化方法数值求解由声波散射场的远场模式信息来再现散射物边界形状的反问题。

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Time frequency coding underwater acoustic communication

时频编码水声通信技术研究

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The results show that the acoustic isolation performance is improved with the increase of the thickness and loss factor of polyurethane materials under the same frequency.

结果表明：在相同频率下材料的损耗因子大，隔声性能好；由于在低频下材料的特性阻抗与水的特性阻抗失配严重，其隔声量较高频时大。

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Combining with the acoustic structure coupling and using a weighted residual formulation to deal with the boundary condition, the analytical solution expression of the progressional expanded wave function was obtained, and the prediction analysis solution at mid-low frequency was given.

结合声固耦合关系，利用加权残数法处理边界条件，得出该声压稳态响应的波函数级数展开式，并给出了中低频噪声场的分析预测解。

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Hough transform is a usual method for the image edge detection. It has been used in the underwater acoustic field for estimation combined with time-frequency analysis, exemplified by estimate the frequency slope of the LFM signal with wigner-Hough transform.

Hough变换是一种用于边缘检测的图像处理手段，在水声信号处理中已被用来与时频分析手段联合起来对信号进行估计，例如Wigner-Hough变换利用对直线的Hough变换来估计线性调频信号斜率等。

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The DSP implementation of frequency hopped modem system for underwater acoustic channels

水声跳频调制解调系统的DSP实现

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Study on Joint Frequency and Phase Modulation Technique in Long Range Underwater Acoustic Communication

水声远程通信的联合频率相位调制技术研究

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The acoustic internal friction of iron vibrating transversely in a steady magnetic held was measured by means of Rochelle salt ( NaKC_4H_4O_6 · 4H_2O) crystal plates, the frequency of vibration used was 1633 cycles/ sec.

用罗谢耳盐（NaKC4H4O6·4H2O）压电晶片测量铁在稳定磁场中作横振动时的内耗，所用的振动频率是1633周/秒。

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The characteristics of the acoustic response of A ⅰ neurons to the frequency of pure tone were investigated with extracellularly recording.

使用微电极在体胞外记录方法研究了SD大鼠AⅠ区神经元对纯音频率的反应特征。

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Research of Underwater Acoustic Signal Processing Based on Adaptive Gaussian Kernel Time Frequency Distribution

基于自适应高斯核函数时频分布的水声信号处理研究

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Near-field acoustical holography technology can be used for recording radiated acoustic field and vibration mode of vibrating object effectively, and reconstruction results are not bound by Rayleigh criterion& which avoids the impact of vibrating frequency for reconstruction resolution.

近场声全息技术可以更好的记录声源和振动体的辐射声场和振动模式，重构结果不受瑞利判据约束，从而避免了声源或振动体频率对重构分辨率的影响。

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Simulating acoustic signal of different frequency and different amplitude are used in the experiment.

实验分别对不同频率和不同幅度的信号进行了检测。

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Along with the progress of submarine mute technology and ocean survey, low frequency and high power underwater acoustic transducer is required.

随着潜艇静音技术的进步及海洋勘测的进步，水声换能器向低频、大功率方向发展。

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