然后介绍了锁相环(PLL)的基本结构、相位模型、频率响应、噪声及杂散性能。
Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop (PLL).
分析了多雷达信号融合中的幅度相位模型,并基于旋转不变技术提出一种新的幅度相位补偿参数估计方法。
The amplitude-phase compensation model of multi-band radar signal fusion is analyzed and the new amplitude-phase compensation algorithm based on the ESPRIT is presented.
在在流体方面的相位转变和使用连续统一体的磁铁和螺旋模型之间的类似被强调,导致更好的理解。
Analogies between phase transitions in fluids and magnets using continuum and spin models are emphasized, leading to a better understanding.
相位解缠是SAR干涉测量数据处理中的一个关键步骤之一,解缠结果的好坏直接影响最终数字高程模型的精度。
Phase unwrapping is one of the key steps for the processing of InSAR data. The quality of the unwrapping results affects the final DEM directly.
建立了双频载波相位观测模型,并将其进行无电离层延迟化简,用最小二乘原理推导了天顶湿延迟的估值公式。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
推导了三种载波相位观测量线性组合的模型:宽巷组合、窄巷组合和无电离层延迟的组合。
Three kinds of models of carrier phase observation value linear combination are deduced such as wide lane, narrow lane and free ionosphere.
利用等效相位中心原理建立了天线斜置情况下三通道运动目标回波信号模型,给出了天线倾斜角对动目标检测、最小可检测速度和盲速的影响。
The echo model of moving target is established based on three channels with the slant-placed antennae in terms of the equivalent phase center principle.
采用多相位屏的数学模型,数值模拟无线电信号在大气中的传播过程。
This paper deals with the multiple phase screen mathematical model and simulation of radio signal propagation in the atmosphere.
为了深入研究阵列的动力学行为,提出了一种简化的阵列相位连续模型并通过傅立叶级数法求得了解。
To intuitively understand the dynamic behavior of the array, a simplified phase continuum model was proposed and solved via Fourier series.
研究和建立了以几何光学近似光散射理论为基础的激光相位多普勒空间干涉条纹模型。
A theoretical model of laser phase - doppler sizing anemometer based on the geometrical optics approximation of light scattering is studied.
但电压模型中的纯积分环节存在直流偏置和初始相位问题。
But the pure integrator of the voltage model has some disadvantages like DC bias and initial phase problems.
应用几何光学近似理论模型计算了激光相位多普勒系统中微粒的光散射特性。
The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
建立了基于多传感器系统的测量模型,并分析了步态相位关系。
The multi-sensor based measure model is established in this paper and the gait phase is analyzed.
结果证明间断相位法的计算模型是正确的,研制的叶片振动状态监测系统有良好的应用前景。
It is right that the modal of discontinuous phase method measures blade vibration parameters and the monitoring system has a good perspective in engineering application.
首次建立了微变形镜阵列的光相位调制系统级模型。
Moreover, the optical phase modulation behavior model of micro deformable mirror arrays is established for the first time.
结论流动液体模型证明磁共振相位对比技术是一种客观、准确的流体定量测量技术,可用于临床血流定量研究。
Conclusion Phase-contrast MR imaging is proved to be an accurate and practical flow measurement technique in flow phantom study and can be used in quantitative study of blood flow clinically.
附加到二-液体相位变化模型。
相位一致性模型避免预先假设边缘的类型,且不受明暗对比度的影响。
Phase Congruency Model avoids the hypothesis of the edge type in advance, and is invariant by contrast.
根据相位噪声功率谱的幂律模型,近似地模拟了相位噪声。
Flicker noise is approximately simulated by power law model of phase noise spectral density.
摘要:针对多水下机器人编队问题,提出一种基于相位耦合振子模型的自适应控制算法。
Abstract: An adaptive formation control algorithm was proposed for multiple autonomous underwater vehicle systems (MAUVS) based on the coupled phase oscillators model.
该模型通过设计信号幅度和相位参数的不同变化,可以实现压缩前后信号可控的解相关性。
By changing amplitude and phase of the simulated signal, controllable decorrelation between the pre-and post-compression signals can be practiced.
本文对有耗传输线系统函数的相位因子进行了修正,得出了更为精确的模型。
In this paper, the phase term in the transfer function of lossy transmission lines is firstly modified, and a more accurate model is presented.
这种方法基于频率综合器的频域模型,能比较准确地预测分频器的相位噪声和它对整个频率综合器相位噪声的影响。
Based on the frequency-domain model of synthesizer, the method can accurately predict the phase noise of the divider and its influence to the phase noise of synthesizer.
探讨了关于非最小相位系统的参考模型自适应控制系统(MRACS)的一种设计方法。
This paper is concerned with a design of a model refenrence adaptive control system (MRACS)for a nonminimum phase system.
在加性高斯白噪声的背景下,建立了多项式相位信号的信号模型。
Under additive Gaussian white noise environment, signal model of polynomial-phase signal is presented.
本文在相位扩散模型的基础上,研究了随机场对简并四波混频输出强度的影响。
The effect of the stochastic field on the degenerate four-wave mixing signal intensity hag been studied basing on the phase-diffusion model.
采用本文研究的API内插模型,小数分频的尾数调制寄生谱可以抑制到相位内插信号准确地匹配相位误差的程度。
Using the API model mentioned in this paper, the fractional spuriousness are reduced to the extent that the phase interpolation signal exactly matches the phase error.
由计算出的相位并根据弹道靶尾迹的一些常用模型公式,把相位转化为尾迹的电子密度。
We can get electron density with the calculated phase and some common model formula in the wake of hypervelocity projectiles.
然后将此模型变换成最小相位系统,在此基础上设计了基于无源理论的反馈控制算法,给出了闭环系统稳定性证明,保证被控系统的误差渐近收敛。
Based_on the passive theory, the feedback control algorithm was proposed to make the controlled system asymptotically converge in the premise that the controlled system has minimum phase.
然后将此模型变换成最小相位系统,在此基础上设计了基于无源理论的反馈控制算法,给出了闭环系统稳定性证明,保证被控系统的误差渐近收敛。
Based_on the passive theory, the feedback control algorithm was proposed to make the controlled system asymptotically converge in the premise that the controlled system has minimum phase.
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