English translation for "周期图"

cyclogram
periodogram
periodograph

Related Translations:

周期:  period; cycle; circle; revolution; round; complete alternation 短语和例子产业周期 industrial cycle; 经济周期 economic cycle; 商业周期 business cycle; trade cycle; 生产周期 production cycle; 再生产周期 cycle of repr

Example Sentences:

	1.	The variance problem can be reduced by smoothing the periodogram . various techniques to reduce spectral bias and variance are the subject of spectral estimation 周期图法是一个与物理学相关的小作品。你可以通过编辑或修订扩充其内容。
	2.	Various apsd estimate arithmetics including periodogram method , correlogram method , blackman - tukey method , barlett method , yule - walker method , lda , and dga were implemented on ccs ( code composer studio ) 谱估计算法分别采用了经典非参数方法中的周期图法、相关图法、 bt法、 bartlett法,和参数法中的yule - walker算法、 lda 、 dga 。
	3.	2 . the paper studies calendar effects of the sample , such as periodicity and long memory 。 so we use the flexible fourier form regression proves and filters the periodic components 。 and use ghp method to estimate the fractional integration d 用对数周期图法( gph )检验和估计序列长记忆行为。最后对去周期的收益序列建立了garch和egarch模型,较理想的拟合了价格的波动。
	4.	We have do data analysis work . it is mainly work for our to show pressure signal , observe peak value of signal and compute signal power spectram . while we have conceive that used wavelet transform to distill pressure signal characteristic 频率域处理主要作了利用周期图法估计压力信号的功率谱，提出进一步的处理设想，利用小波分析的一些方法识别压力信号的特征。
	5.	The ball mill load - control apparatus adopted the assembly language and the c51 language to program and its concerned software was designed , including the data collection , the wave - percolation , the short - time average over - zero ratio , the estimation of the power chart and the average - period chart 磨机负荷控制仪软件使用汇编和c51编程，本文进行了相关软件的设计，包括数据采集、滤波、短时平均过零率、功率谱估计和平均周期图等。
	6.	In this paper , according to the periodically active characteristics shown in the historical earthquake data in this region since 1900 , we describe the rule of seismicity with sine function and furthermore make a preliminary forecast of the seismicity intensity and the developing trend in northeast china till the year of 2008 by using the periodogram of time sequence and other analytical methods 摘要根据东北地区1900年以来的历史地震资料所显示的周期性活动特点，用正弦函数描述其地震活动规律，并结合时间序列的周期图及其他一些地震活动性分析方法，对该地区未来1 ~ 3年地震活动发展趋势和地震强度作了初步预测。
	7.	Its vertices are located at all points of the form ( i1 , i2 ) or each vertex has six neighbors . the six neighbors of the vertex v are the set of vertices the set of edges e the model of the hexagonal lattice the usual way to imbed the hexagonal lattice is such that its face are regular hexagons . the vertices are the points . the origin is in the center of one of the hexagons and the periods are ( , 0 ) and ( 0 , 3 ) 顶点集合为为整数边的集合为相邻}正六边形点格模型为：平面是由正六边形点格组成，它的顶点坐标为其中，原点在一个正六边形的中心，周期为( 3 ~ ( 1 / 2 ) ， 0 )和( 0 ， 3 )我们可以把它在竖直方向压缩1 3 ~ ( 1 / 2 )倍使它成为周期图。
	8.	It was demonstrated that this sort of load - control apparatus has superior performance . we used a electric transmitter as the transducer to collect the sound signal , using the daq toolbox of the matlab to achieve the collection of the sound signal , and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal , chiefly analyze its short - time average amplitude , its short - time over - zero ratio and its estimate of the power chart and the average - period chart 实验中使用了驻极体话筒作为球磨机声音拾取传感器，利用matlab中的数据采集( daq )工具箱实现对磨音的采集，利用matlab信号分析( dsp )工具箱和声发射技术对磨音进行时域和频域分析，主要分析磨音的短时平均幅度和能量、短时平均过零率、功率谱估计和平均周期图。
	9.	Due to existing signal processing technology ’ s shortage such aslow measurement , narrow measurement range precision and other poor performance , we introduced a high - precise signal processing technology : firstly , to get power spectrum with hanning windowed welch modified periodogram , search its peak value frequency ; secondly , to apply zooming analysis via goertzel algorithm ; at last , to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology , we designed a signal processing scheme , and developed a signal processing system . the running result showed high performance , verified the feasibility and reliability of the highly precise signal processing technology introduced . in a word , the technology improved ldv ’ s performance such as measurement precision , measurement range , dynamic response time 。 and it will have a wide application foreground 针对存在的缺点,本文提出了一种应用于激光多普勒测速的高精度信号处理技术,即首先利用加hanning窗的welch修正周期图算法得到信号功率谱,搜索其谱峰值频率,接着利用goertzel频谱细化算法对搜索的谱峰进行细化分析,再引入能量重心频谱校正算法对细化后的谱峰进行校正分析,从而将离散频谱分析算法、频谱细化算法和频谱校正算法三者有机结合起来,充分发挥各自的优点:通过加hanning窗的welch修正周期图算法快速得到功率谱及峰值频率,通过goertzel算法获得分析频带的高分辨率频谱,然后通过能量重心校正算法对细化后的频谱进行高精度校正,这样不仅保证了算法的高效性,而且大大提高了分析的精度。
	10.	Firstly , the outputs of the infrared sensors are analog signals , which can be disturbed by noise in optical path and circuit . it has a low precision and stability when using traditional signal processing method , so in this paper a novel spectrum analysis method based on the fft is discussed and some methods are taken to rectify errors from the limitation of the fft 首先,由于红外传感器的光电转换在光路和电路中都会受到噪声的影响,针对采用传统信号处理方法带来的测量精度低、可靠性差这一问题,本文采用快速傅立叶变换和周期图法的经典谱分析方法对传感器信号进行处理,并对产生的误差进行了分析和校正。

Similar Words：

"周期特异性药物" English translation, "周期特征值" English translation, "周期替续器" English translation, "周期跳步" English translation, "周期偷窃" English translation, "周期图表" English translation, "周期图分析" English translation, "周期图示法" English translation, "周期图仪" English translation, "周期退火" English translation