To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.
为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。
If incomplete or 'false' signals are received as a result of low batteries or radio frequency interference, it will react instantly and shut off your model to protect it against damage.
如果不完整或'假'是收到的信号，由于低电池或无线电频率干扰，它会立即反应，并关闭您的模型，以保护使其免受损害。
In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.
在低频分量部分，基于HVS视觉模型，将水印信号逐点变化地嵌入到原始图像中；
The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model.
分析了低噪声沥青混凝土路面降低轮胎噪声的机理，建立低噪声沥青混凝土路面的声学模型，用亥姆霍兹共振器模型分析计算了声波的共振频率。
The switching function model may be divided into two models of high frequency and low frequency. Then the average model for condition space of the rectifier is developed.
通过对开关函数求傅里叶级数，将开关函数模型分解为高频和低频两个模型，从而求得整流器的状态空间平均模型。
The research in this thesis is focused on the low harmonic variable-frequency power for the system meeting the needs of wind tunnel propeller model testing requirements.
旨在研究满足螺旋桨飞机模型风洞试验要求的为高功率密度电驱动系统供电的低谐波变频电源。
During the radiometric calibration of the low frequency UWB SAR system, the scattering model of the calibrators should be regarded as the low frequency resonance scattering.
低频超宽带合成孔径雷达辐射定标过程中，定标体的散射特性表现为低频谐振散射特性。
The noise model CPPLL frequency synthesizer is also established in order to provide theory of designing high order, low noise and high performance CPPLL frequency synthesizer.
同时，建立了电荷泵锁相环频率合成器噪声模型，为高阶、低噪声电荷泵锁相环频率合成器的设计提供理论依据。
Anomalous forcing is introduced into the model, representing the tropical low-frequency dipole convective pattern.
模式中引入了代表热带低频偶极型对流的异常强迫。
Results indicate a strong correlation between model predicted and subjective data, and therefore proved the devel-oped model an effective index for subjective low-frequency perception.
结果表明，低沉度模型的预测结果与主观评价结果具有很高的相关性，从而证明了所提出模型的有效性。
It includes the proposed string-model for the glass transition, the invented low-frequency mechanical spectra in liquids and the indicating of the glass transition in water by this method.
主要包括我们提出的玻璃化转变机制的串模型、发明的一种液态低频力学谱方法、以及用该方法对水的玻璃化转变的表征。
This paper introduces how to establish Three-dimension finite element model to solute low frequency sound transfer function in small-enclosed room.
文中详细介绍了如何建立用于求解小尺度封闭空间低频声传递函数的三维有限元素模型。
In order to realize the control method, the mathematical model of inductor voltage low frequency content is set up.
为了实现控制的方法，电感两端电压的低频内容的数学模型。
Finally, the information process model of the low frequency UWB-SAR is given, and antenna pattern and the impulse response function of the system are discussed.
最后研究了低频uwb - SAR系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
Dynamics analyses and model atmosphere calculations further demonstrate that EWFMand CISK are very important physical processes in leading to the low-frequency oscillations in the tropics.
动力学分析和模式大气的计算结果进一步说明了CISK和EWFM的共同作用是激发和驱动热带大气低频振荡的重要物理过程。
A modified model of thermal-mechanical noise is developed to make it adaptable to the micromechanical cantilever in high frequency or low temperature.
本文采用能量统计分布方法研究微机械悬臂梁的噪声模型，对热机械噪声理论模型进行了拓展和修正，使之适用于低温和高频条件。
Conclusions: Stimulating the hippocampus or amygdala by low frequency and short intervals electric pulse could establish rapidly stable animal model for epilepsy.
结论：应用低频短间隔电脉冲刺激大鼠海马或杏仁核可快速建立稳固的动物癫癎模型。
The ray model is used to describe the low frequency acoustic field in shallow water. Applicability of this model in shallow water or deep water at low frequencies is checked.
采用射线理论对浅海低频矢量声场进行建模，并且分析了该模型在浅海或深海低频时的适用性。
The utility model relates to a low-frequency sending coil consisting of a plastic noumenon with slab structure and a conducting material wound around the plastic noumenon.
本实用新型涉及一种低频发送线圈，包括塑料本体和缠绕塑料本体的导电材料，所述塑料本体为平板结构。
In this paper, low frequency tropical disturbances in a simple air sea coupled model are investigated.
讨论简单热带海气耦合模式中的低频海洋扰动。
Method: to use Model HKY06A heart vibration sensor for the detection of the heart sound, and to form the heart sound envelope with two way hardware rectification and low frequency passed filter.
方法：使用HKY06 A心音传感器提取心音信号，使用双向检波及低通滤波实现心音包络的提取。
The utility model discloses a frequency converter special used controller which is simple in line, compact in structure, low in cost and high in reliability.
本实用新型公开了一种线路简单、结构紧凑、成本低廉而且可靠性高的变频器专用控制器。
Using the Normal Model Theory and Wavenumber Integration Method, a low frequency acoustic wave propagation model in shallow sea of multi-layered media is constituted.
应用简正波理论并结合波数积分法，建立了浅海低频声传播特性的仿真数学模型。
Model ST Damping Spring Vibration has two advantage, low frequency as steel spring one and large damp as rubber one.
提高约束角度、增大气室容积和降低相对阻尼系数，可以改善空气弹簧隔振器的性能。
When we developed that model, we were quite surprised of the consistency of this model, especially at the low frequency end where one finds most of the power of the pulse.
当我们设计出这种模型时，我们非常惊奇于这种模型的一致性，特别是在低频端发现了脉搏最有力的部分。
At the same time, combined with the human visual model, our algorithm guarantees the visual impression and protects the low frequency part of image efficiently.
同时算法结合了人眼视觉模型，有效地保护了图像的低频部分和强边缘部分。从而确保了加密图像的视觉效果。
The utility model relates to a radio transmitter for low-resistance sound signal, which is used to convert audio signals into frequency modulated signals.
本实用新型是一种将音频信号转换成调频信号的发射装置。
The utility model relates to a radio transmitter for low-resistance sound signal, which is used to convert audio signals into frequency modulated signals.
本实用新型是一种将音频信号转换成调频信号的发射装置。
应用推荐