进行了致动器时域特性测试和控制系统的安装调试。
The testing of time domain property for the actuator, the installation and debugging for the controlling system were completed.
音频分析被广泛用于测量各类音频系统的时域特性、频域特性及失真特性等。
Audio analysis is widely used to measure time domain, frequency domain and distortion characteristics of various audio system.
本文使用相关系数和脉冲宽度拉伸这两个重要的参数对超宽带天线及天线阵列进行了时域特性评估。
The time domain characteristics were studied both the UWB antennas and array proposed in this thesis with correlation factor and the pulse width stretch ratio (SR).
然后研究了非线性裂纹转子的弯曲振动特性,给出了进入倍周期分叉后裂纹转子的时域特性和频域特性。
The bending vibration characteristic of a nonlinear cracked rotor is then analyzed. The time frequency characteristics of a cracked rotor after entering double cycle bifurcation are introduced.
波形分析仪是最重要的信号测量仪器之一,可以对信号时域特性、频域特性以及相关特性作高精度分析。
Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time-domain and frequency-domain.
文中通过对各类型集成运算放大器的特性的研究,建立了一种适合于各类型集成运放的时域特性分析的非线性宏模型。
In this paper, a nonlinear macromodel for all types of Integrated Circuit Operational Amplifiers (IC OP-Amps) is developed through studying the characteristics of all types of IC OP-Amps.
分析了红外小目标图像的时域特性以及小目标、噪声、背景的不同特点,提出了一种时空结合的红外小目标检测算法。
The temporal domain characteristic of the infrared image and different features of small targets, noise and background were analyzed in this paper.
该方法根据噪声时域特性将其分为结构性噪声和非结构性噪声两类,它们对统计检验功效造成的影响在文中分别进行了讨论。
The fMRI noise is classified into structured and unstructured noise by their temporal characteristics, and their impacts to efficiency of statistical tests are discussed separately.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性;采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
小波函数是具有时域和频域良好局部化特性的函数,理论上可以用于非整次谐波的检测。
The wavelet function is such a function which possesses good localization characteristics, so theoretically it can be applied to the detection of non-integer harmonics.
该文讨论傅氏变换中的二个时域积分特性,在求解频谱函数中的应用方法,并举例予以说明。
This paper discusses the application methods on solving frequency function and sets examples, in the two integral characters of time domain on Fourier conversion.
采用全面最小二乘法识别扬声器系统的时域函数的全套系数,从而测出扬声器系统的低频特性参数。
It adopts the total least square method (TLS) to identify the complete coefficient set of the loudspeaker in time domain, thus measures low frequency characteristic of loudspeaker.
首先简要介绍了气象雷达的雷达方程、气象雷达探测气象目标的基本原理、气象目标回波的时域频域特性和气象回波信号的模拟方法。
Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods.
本文分析了时域平均法对光电信号进行滤波处理在激光绝对法校准振动传感器相频特性中的应用。
In this paper, the time domain average meth od is used to extract the interfere signal in calibrating the phase character of vibration sensor by laser interferometer.
根据波导间相互耦合与自映像原理,采用时域有限差分法分析了该器件的光传输特性。
The optical propagation properties of the device have been demonstrated by finite difference time domain method according to the waveguides directional coupling and self-imaging principle.
小波变换具有很好的时域和频域局部化特性,它对以非稳态振动为特征的信号提供了很好的分析手段。
Wavelet transformation possesses excellent properties of time-frequency localization and thus provides an effective means for analyzing signals characterized by unstable vibration.
从激光器的单模速率方程出发,利用数值方法研究了在不同的增益开关状态下,输出光脉冲的时域及频域特性。
With numerical calculation from single mode rate equation of semiconductor laser, the output pulse parameters in time and frequency domains are investigated under different gain switching conditions.
高斯脉冲干扰时,微带线感应电压、电流的时域和频域特性随入射角度而变化。
When the incident wave is Gauss pulse, the response characteristics at ports both time and frequency domain varies with incident angles.
本文还从时域和频域分析了这类正交脉冲波形的特性。
The performance of the orthogonal pulse waveforms is also analyzed in time domain and frequency domain.
应用时域有限差分(FDTD)方法分析甚低频在地电离层波导中的传播特性。
The propagation characteristic of the VLF in the earth-ionosphere waveguide is analyzed by applying the FDTD method.
本文介绍由表面浮标、缆和中间物体组成的综合海洋缆系统动力学特性的二维时域分析方法。
A two-dimensional time domain met hod is presented for the analysis of dynamic behaviour of the ocean cable system in wind, wave and current.
信号处理模块分析噪声并记录频谱特性和时域统计特性。
The radiated noise can be analyzed and its spectrum can be recorded by signal processing cell.
利用FDTD(时域有限差分)方法对多根未加载的细线天线以及加载的细线天线瞬态响应特性进行了数值模拟。
FDTD method was used to numerically simulate the transient radiating and scattering characteristics of thin wire antennas and linearly loaded thin wire antennas.
通过从时域和频域的角度分析,考察控制系统的稳定性、过渡响应特性,从而设计出了LQG控制器。
On time-domain and frequency-domain aspects, steady and transient performances of the control system were considered to designing the LQG controller.
研究了矢量信道在时域和空间域对信号的影响,即信号的快衰落特性。
This paper studies the fading process of signal in the vector channel from the perspective of time domain and space domain.
利用FDTD(时域有限差分方法)对多根细线天线的瞬态响应特性进行了数值模拟。
FDTD (Finite Difference Time Domain) method was used to numerically simulate the transient radiating and scattering characteristics of thin wire antennas.
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
小波变换具有很好的时域和频域局部化特性,为以非稳态振动为特征的信号提供了有效的分析手段。
Wavelet transform possesses excellent characteristic of time frequency localization, and provides an effective measure for analysing signal causing unstable vibration.
运用隔震理论建立结构隔震体系的动力模型和运动方程,着重考虑了隔震体系的恢复力特性,进行了隔震体系在时域内的地震反应程序设计。
The restoring force of the isolation system is studied, and the dynamic response program of the isolation system under earthquake excitation is drawn up in the time domain.
采用时域有限差分法对比计算了加载与非加载单极子天线的时域辐射特性。
Therefore the time domain characteristics of loaded monopole antenna are calculated and analyzed using FDTD method.
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