查询词典 frequency response

This paper firstly discusses the principle of UWB pulse array beamforming. Then a beamforming scheme is presented based on multi-rate filter bank, which is suitable for UWB pulse signals. The proposed method avoids the hardness of delays control in time domain, and can obtain the uniform frequency invariant array response in such a wideband for UWB signals.

该文提出一种适合UWB脉冲信号的基于多速率滤波器组的波束形成方法，避开了时域处理中延迟控制的问题，同时实现了大带宽范围内的均匀一致的频率不变阵列响应。

2With the increasing of the seismic wave frequency,the dam body response acceleration maximum value gradually decreases, and its characteristic distribution is uniformization.

2随着震波频率增大，坝体中的反应加速度最大值分布呈逐渐递减、均匀化的变化。

However, by assuming all wave energy is concentrated in one frequency component rather than broad spectrum of ocean environment, regular wave theory gives an unrepresentative dynamic response.

该文阐述了新波浪理论的基本概念，介绍了一种新型的极限入射波浪模型，该模型考虑了天然海浪的随机性、谱性和方向性。

The impulse response on even velocity model and simple lateral variable velocity model shows that the symplectic method can decrease the frequency dispersion and adapt to the lateral velocity variation.

脉冲响应的计算也表明文中的近似方法具有降低频散效应和适应横向变速的能力。

Windings separate high and low frequency wire networks for accurate reproduction of amplitude and phase response, while patented Xtra Low Noise?

绕组单独的高，低频率线网络的精确复制振幅和相位响应，而专利的外加功能低噪声？

Taking bridge model as an example, according to the dynamic response characteristic of lead zirconate titanate material, the PZT actuator executed exciting signal of particular frequency to vibrate the monitored component. At the same time, the signal of PZT sensor is collected and recognized to monitor its fault.

以桥梁模型为例，利用锆钛酸铅材料的动态响应特性，当对PZT驱动器施加一定频率的激励使被测构件产生振动的同时，采集和识别PZT传感器信号，即可实现其故障监测。

Based on the example of bridge model, using the dynamic response characteristic of Lead Zirconate Titanate material, the PZT actuator is executed exciting signal of particular frequency to vibrate the monitored component. At the same time, the signal of PZT sensor is collected and recognized to monitor its fault.

以桥梁模型为例，利用锆钛酸铅材料的动态响应特性，当对PZT驱动器施加一定频率的激励使被测构件产生振动的同时，采集和识别PZT传感器信号，即可实现其故障监测。

Conversely, in negative reinforcement, the frequency of a response increases because it is followed by the removal of an aversive stimulus.

作用下，反应频率由于反应发生后令人厌恶的刺激消除而有所增加。

With ILO-92 Otodynamics Analyzer,distortion product otoacoustic emissionsat the 2 f1-f2 frequency were recorded from 86 normally hearing ears in response to four groups of different primary levels (L1=L2=75 dB SPL ; L1=L2=65 dB SPL ; L1=L2=60 dB SPL ; L1=65 dB SPL , L2=50 dB SPL).The average DPOAEs-gram demonstrated a bilobed contour with two peaks at approximately 1.5 kHz and 5 kHz and a "notch" between 2.5 kHz and 3 kHz.Moreover,the contour of DPOAEs-gram had no obvious changes with sex,ear or primary stimulus levels differences.

利用耳动态分析仪ILO-92，对48例听力正常人(86耳)在4组不同原始刺激强度下(L1=L2=75 dB SPL；L1=L2=65 dB SPL；L1=L2=60 dB SPL；L1=65 dB SPL，L2=50 dB SPL)进行畸变产物耳声发射检查，结果发现平均DPOAEs图呈双叶型轮廓：在1.5 kHz和5 kHz附近，2 f1-f2 DPOAEs存在两个高峰，在2.5～3 kHz附近存在一个低谷，此图型结构无性别、耳别差异。

This method is able to predict accurately the forced response of bladed disks in frequency domain, which is validated by numerical integration method in time domain.

该方法可准确预测叶盘系统在频域的受迫响应，其有效性用数值积分法进行了验证。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐