Both frequency-power spectrum method and perimeter-area method are suitable for the analysis of fractal characteristics of sapling patch shape.
频谱法和周长-面积法都适用于分析幼树斑块形状的分形特征。
A new approach to measure the long cylindrical particle by using the laser diffraction power spectrum method is presented in this paper in detail.
提出了用激光衍射功率谱方法测量柱形颗粒群直径分布的技术方法。
Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...
对粘结面采用灌砂法和功率谱法分维对比分析后认为，功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。
In signal processing field, the spectrum correlative technology has more advantages than the conventional power spectrum method, because the latter includes less information.
在信号处理中，传统的功率谱分析方法包含的信息量少，谱相关方法较前者具有更多优点。
The data of polar motion, rotation of the earth and atmospheric excitation function are analysed by the Auto-Regression power spectrum method, and their spectra at low frequency band are obtained.
本文用自回归功率谱方法分析了极移、地球自转和大气激发函数的资料，得到了它们的低频谱。
This thesis studies adaptive algorithms and smart antenna, and selects the power spectrum inversion method to implement with FPGA.
本文对自适应算法以及智能天线等技术进行了研究学习，并选取功率谱倒置算法进行了FPGA的设计实现。
The result of experimentation shows that its recognition of movement was much better than the method using traditional Power Spectrum Coefficient.
实验表明这种改进的互功率谱比值法与传统的自功率谱比值法的方法相比，动作模式识别率得到了提高。
The power spectrum of the noise and signal are estimated by the average smooth periodogram method.
用平均平滑周期图法分别估算出信号与噪声的功率谱密度函数。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
In this paper, the method of cross power spectrum is used to simulate rotor bars breaking faults of induction motor, including continuous breaking and intermittent breaking of rotor bars.
利用互功率谱方法对异步电动机发生多根导条断裂故障进行了模拟仿真，包括连续断条和间歇断条故障。
P. Burg in 1967 is an improved method for estimating power spectrum, which can effectively improve the resolution of a power spectrum.
伯格（1967）提出的最大熵谱分析方法是一种改进的功率谱估算方法，它可以有效地提高功率谱的分辨率。
In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法，并给出了实时算法的设计要点。
In this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).
本方法不需要特征分解，并且得到的是通常意义上的功率谱(可用于估计信号的能量)。
In this paper, a method evaluating small signal gain spectrum of optical fiber amplifier only using a small power broadband light source was proposed.
提出了一种用小功率宽带光源较精确测量光纤放大器小信号增益谱的方法。
A method of simulating vessel's radiated noise with specified power spectrum is presented.
给出了一种能够模拟具有指定功率谱特征的舰船辐射噪声的方法。
A least Pth optimization method is developed for estimation of structural dynamic parameters from estimated response spectrum power density function.
本文提出用最小p乘优化方法从响应功率谱估算结构的动力参数。
A method for time domain fast diagnosis of a signal of the characteristic changes, of the power spectrum is proposed.
本文提出了在时域中快速诊断信号功率谱特征变化的方法。
Power Spectrum Analysis is a common method for precise detection in mechanical fault diagnosis.
功率谱分析是机械故障诊断技术中精密诊断的常用方法。
Then recognize action pattern by the method of power spectrum K value, and the recognize effect is good.
然后采用功率谱K值法进行单自由度动作识别，得到了较好的识别效果。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
The extracting method of process information entropy based on process steady entropy, double channel singular spectrum entropy and double channel power spectrum entropy was introduced.
对管线泄漏特征进行了分析，并介绍了基于过程平稳熵、双通道奇异谱熵和双通道能谱熵的过程信息熵特征提取方法。
Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.
最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。
The method defines the ratio of maximum energy band spectrum to total power spectrum as an eigenvalue of SEMG, which decreases the individual difference effect to the lowest.
该方法的主要特点是以实时取得的SEMG功率谱信号为基础，确定最大功率谱附近的谱能量与全信号段谱能量之比为特征值，将人的个体差异影响降低到最低程度。
By means of Laplacian spectrum recursive bisection partitioning method, firstly the power network is partitioned into branch-cut form; then the branch-cut form is changed into node-split form.
利用基于拉普拉斯谱划分的递归二分法将电力网络进行支路切割，然后将支路切割转换为节点撕裂。
The numerical calculation formula, the method and the systematic results of the power spectrum of chaos motion in one-dimensional map are given, and the physical graphs of power spectrum are analysed.
本文给出了一维单峰映象混沌运动功率谱数值计算的公式、方法及系统结果，并对其物理图象进行了分析。
It is an effective and reliable method to analyze signals and diagnose gearbox by Hilbert power spectrum analysis.
作包络功率谱分析，能有效地对齿轮箱故障进行诊断分析。
The time series of voidage and particle colliding force at different operation conditions is analyzed and researched by statistic method-. power spectrum and chaos theory in this papers.
本文采用不同的分析方法分析、研究了气固流化床中不同操作条件下的空隙率时间序列和颗粒碰撞压力时间序列。
The correlation method and FFT method of the power spectrum estimation could not completely reflect the concept of the power spectrum of the non-stationary random signals because of data truncation.
对于非平稳随机信号的功率谱分析，采用自相关函数傅里叶变换和直接傅里叶变换分析时，由于存在数据截断，二者从概念上都不能很好地反映随机信号的功率谱。
A novel method for estimating power azimuth spectrum(PAS)of wireless channel is presented in this paper.
针对无线信道角度功率谱测量问题，提出了一种简单而新颖的测量方法。
A novel method for estimating power azimuth spectrum(PAS)of wireless channel is presented in this paper.
针对无线信道角度功率谱测量问题，提出了一种简单而新颖的测量方法。
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