数字系数

We selected 223 pairs of Rayleigh wave from 2681 waveforms recorded by 58 tations in the EuroAsia land and west pacific region. The fundamentalmode surface wave was separated using the phasematch for each seismograms. The fundamentalmode interstation attenuation coefficients γ was calculated using the twostation methods.

根据欧亚大陆及西太平洋地区58个数字地震台站2861个长周期波形记录，从中挑选出符合条件的223对经过中国大陆的双台路径记录，采用相匹配滤波和频率域维纳滤波相结合的方法，计算出双台之间的混合路径衰减系数。

Densities of glycine and L-serine in aqueous LiNO3, NaNO3 and KNO3 solutions have been measured at 298.15 K with an Anton Paar Model 55 densimeter. Apparent molar volumes, limiting partial molar volumes and transfer volumes have been calculated. Hydration numbers and volumetric interaction coefficients for amino acids were evaluated.

用Anton Paar DMA 55精密数字密度计测定了甘氨酸和L-丝氨酸在LiNO3， NaNO3和KNO3水溶液中的密度，计算了氨基酸的表观摩尔体积、极限偏摩尔体积、迁移偏摩尔体积、理论水化数和体积作用系数。

According to the similarity both in aliasing /separation of signal of the ICA model and the embeding/extraction process in the watermarking system, the scrambling image is embeded into the wavelet domain with the linear supraposition.

根据ICA模型中的信号混叠/分离与数字水印嵌入/提取过程之间的相通性，以线性叠加的方式将置乱水印嵌入到图像小波域的某些系数上，检测/提取时通过ICA技术提取水印。3。

In this paper,we use geostatistics to analyse special variability of soil salinity in Yanqi Basin of Xinjiang base on soil salinity data,and then we predict and draw the soil-salinity-class maps including unsampled region,it shows: the soil salinity data's Cv are not less than 100% and have very strong special variability;the spherical model f...

在焉耆盆地大规模的土壤取样、试验分析盐分数据的基础上，采用地统计学的方法对研究区的土壤盐分进行了空间特征变异分析，并采用普通克里格插值法制作出焉耆盆地的土壤盐分空间数字地图，结果表明：研究区各层土壤盐分变异系数均大于100%，具有强空间变异性；对土壤盐分进行半方差函数计算分析，发现拟合的理论模型均为球状模型，各层土壤盐分表现出强烈的空间相关性；土壤盐渍化程度在水平方向的分布与地形地势的关系密切，在垂直方向则表现出强烈的表聚特性。

Simulation result shows that choosing proper delayed time and gain coefficient the unstable periodic orbits of the system can be ballasted and the chaos can be eliminated, and the system can be changed from unstable to stable.

数字仿真结果表明，选择适当的延迟时间和反馈系数能够镇定系统的不稳定周期轨道、消除混沌，并能使系统从失稳状态进入稳定状态。

Simulation result shows that choosing proper delayed time and gain coefficient the unstable periodic orbits of the system can be ballasted and the chaos can be eliminated, and the system can be changed from unstable to stable.

数字仿真结果表明，选择适当的延迟时间和反馈系数能够镇静系统的不稳定周期轨道、消除混沌，并能使系统从失稳状态进入稳定状态。

Simulation result shows that choosing proper delayed time and gain coefficient the unstable periodic orbits of the system can be ballasted and the chaos can be eliminated, and the system can be changed from unstable to stable.

数字仿真效果表明，选择得当的延伸时间和反馈系数能够岑寂体系的不稳固周期轨道、消除混沌，并能使体系从失稳状态进入稳固状态。

Simulation result shows that choosing proper delayed time and gain coefficient the unstable periodic orbits of the system can be ballasted and the chaos can be eliminated, and the system can be changed from unstable to stable.

数字仿真效果评释，选择适当的延伸时间和反馈系数能够冷静体系的不稳固周期轨道、消除混沌，并能使体系从失稳状态进入稳固状态。

A7800 Features: 10 Mb s Manchester encoding decoding with receive clock recovery Patented digital phase locked loop decoder re- quires no precision external components Decodes Manchester data with up to g18 ns of jitter Loopback capability for diagnostics Externally selectable half or full step modes of opera- tion at transmit output Squelch circuits at the receive and collision inputs re- ject noise High voltage protection at transceiver interface (16V) TTL MOS compatible controller interface Connects directly to the transceiver cable A7800 Maximum Ratings: A7800 Pinout:· NPT IGBT technology · low saturation voltage · low switching losses · switching frequency up to 30 kHz · square RBSOA, no latch up · high short circuit capability · positive temperature coefficient for easy parallelling · MOS input, voltage controlled · ultra fast free wheeling diodes · solderable pins for PCB mounting · package with copper base plate

A7800特点： 10兆s曼彻斯特编码与接收时钟恢复专利解码数字锁相环解码器重新奎雷斯没有精确数据的外部元件曼彻斯特解码高达全部G18抖动纳秒环回功能用于诊断外部可选的一半或整步模式的歌剧和灰在传输和接收碰撞投入重新ject高噪音在收发器接口（16V的）马鞍山的TTL兼容控制器接口电压保护输出静噪电路直接连接到收发器的电缆 A7800最大额定值： A7800引脚说明：·不扩散核武器条约IGBT技术·低饱和电压·低开关损耗·开关频率可达30千赫·平方米RBSOA，没有锁定了高短路能力··正温度，便于parallelling·马鞍山消耗系数，电压控制·超高速免费·印刷电路板焊接的引脚安装·铜底板包续流二极管

A method for variable length coding an ordered series of digital signals, e.g., of quantized transform coefficients of a block of image data with a most likely-to-occur amplitude, e.g., 0, and at least one other amplitude, e.g., 1, to form a set of codewords.

本发明提供了一种对数字信号例如具有最可能出现的幅度(例如0和至少一个其它幅度(例如1)的图像数据块的量化变换系数的有序系列进行可变长度编码以形成一组码字的方法。

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