Based upon different perfect nonlinear functions, different frequency-hopping sequence families with optimal Hamming correlation property could be obtained. 利用不同的完全非线性函数,可以得到不同的并且具有最优汉明相关性能的跳频序列族。
If there were perfect correlation, then it would be a correlation of one. 如果是完全正相关的,也就是相关系数等于一。
Fascinating research by David Ranson of Wainwright Economics shows an almost perfect correlation between US foreclosure rates and declines in house prices. WainwrightEconomics的戴维兰森(DavidRanson)进行的一项有趣研究显示,美国的房屋止赎率和房价之间存在着完美的正相关。
There is no perfect correlation between attitudes in high school and success in later life. 在高中学习的态度和今后的人生的成功之间没有必然联系。
We tested the method with two opposite extreme situations of perfect correlation and perfect un-correlation. The test results show that the DCF method is feasible. 取两种极端的情况(完全相关和完全不相关)对该方法进行了测试,结果表明这是一种比较切实可行的方法。
Sequences with perfect auto correlation performance were useful to improve signal noise ratio of distance measuring radar, which could efficiently realize the object sound with extremely low transmitting power. 应用具有良好相关特性的伪随机序列可以提高雷达测距信噪比,有助于实现高效率低功率的目标探测。
Aiming at CDMA communication system, spreading sequence has perfect correlation properties only within the bound of synchronized error, Low/ Zero correlation zone ( LCZ/ ZCZ) was proposed. 针对准同步CDMA通信系统,只要求扩频序列在同步误差范围内(一个或几个码片周期)具有和接近理想相关特性,提出了低/零相关区。
Using special software, we got the HPLC/ ELSD fingerprint chromatogram similarity of 10 injection and found the perfect correlation among them. 通过指纹图谱相似度评价软件,对10批清开灵注射液的HPLC/ELSD指纹图谱进行了相似度计算,结果表明:10批样品相似度很好。
The design rules of the perfect discrete single usually include periodic correlation and a periodic correlation, dyadic correlation, etc. 最佳离散信号一般以循环相关、非循环相关、并元相关等为设计准则。
Perfect ternary array pairs ( PTAP), a new periodic correlation signal was presented. It was laid on the basis of Perfect ternary array. 在最佳三进阵列的基础上,提出了一种新的周期相关信号,即最佳三进阵列偶(PTAP)。
Costas array is a class of radar signal array with perfect correlation property. Costas阵列是一类性能优良的雷达信号阵列。
Embarks from the government by law idea, carries on to the po-lice power divides power and limits the power, by the right restriction authority, the perfect correlation system, thus reasonably constructs the criminal police power is essential meaning of the article. 从法治的理念出发,对警察权进行分权和限权、以权利制约权力、健全相关制度,从而合理构建刑事警察权是文章之要义。
Based on perfect sequences and orthogonal sequence sets, a new class of mutually orthogonal sets of zero correlation zone sequences is presented. 该文基于完备序列和正交序列集,构造出一类相互正交的零相关区序列集。
Based on foregoing researches, this paper tries to perfect the traditional model of VMI by taking the correlation between transport costs and economic order quantity into account. 在前人研究的基础上,考虑了运输成本和经济批量之间的内在联系,对传统VMI模型进行了完善。
This paper presents a new kind of perfect correlation signal, that is, odd-periodic perfect punctured binary sequence pair. 定义了一种新的最佳相关信号,即奇周期最佳屏蔽二进序列偶。
The results show that there is perfect Linear correlation relation between gravity value and elevation under the conditions of areal small scale and perfect isostatic compensation. 通过分析,认为在区域性小比例尺及均衡补偿基本完善的条件下,重力值与高程有极好的线性相关关系;
A new concept of perfect signal and a new correlation method are necessity stringency as the developing of technology. 随着技术的进步,人们还不断提出新的最佳信号概念、新的相关方法。
Those views are as follows: the relatively strong material basis for development of logistics industry in central area, correct basic principles, concrete strategic target, right clear thinking, perfect basic strategies, high correlation between the logistics industry agglomeration and economy. 具体观点是:中部物流产业发展的物质基础相对雄厚、基本原则正确、战略目标具体、主要思路清晰、基本策略较为完善、物流产业集聚与经济关联性较高。
ⅲ Our country hypothesized society crisis management policy establishment perfect and perfect must need to profit from the domestic and foreign correlation theories and the real diagnosis research material, unifies our country national condition to carry on, puts forward the trifle useful policy proposal in this foundation. 我国虚拟社会危机管理政策的建立健全与完善必须要借鉴国内外相关理论与实证研究资料、结合本国国情来进行,在此基础上提出些许有用的政策建议。
The perfect discrete signal is the ideal periodic correlation signal, which plays a more and more important part in the area of modernistic communication, radar and navigation systems, making the design of the perfect signal an important subject. 最佳离散信号是最理想的循环相关信号,在现代通信、雷达、导航等有线和无线系统中起着越来越重要的作用,这就使得最佳信号的设计成为一个重要的课题。
Furthermore, the VaR hedge ratio is equal to traditional hedge ratio under the hypothesis of the same direction and magnitude of spot and futures 'price fluctuation and perfect positive correlation. 若现货和期货价格变动完全一致,VaR最优套期比等于传统套期比。
Based on perfect sequence set, another class of sequences with alternate periodic correlation values equal to zero is proposed, namely periodic odd/ even shift orthogonal ( POESO) sequences. 基于移位的完美序列集合,构造了另一类具有交替零值周期相关特性的序列,即周期奇偶移正交(POESO)序列。
Because NIR can penetrate through skin and body tissue, and there is perfect linearity correlation between the concentration of blood glucose and its NIR absorption, it is much widely used to measure the concentration of blood glucose than other methods mentioned herein before. 近红外光谱能穿透皮肤和人体组织,且血糖浓度与其近红外吸收有很好的线性相关性,近红外无创血糖检测成为诸多无创血糖检测方法中最有优势的一种。
In the quasi-synchronous CDMA system, the request to adopt the spreading sequence is that the sequence should have perfect correlation properties in the synchronous error ( near the zero time delay), the zero-correlation zone ( ZCZ) sequence is just fit for the need. 在准同步CDMA通信系统中,对所采用扩频地址码的要求是在同步误差范围内(零时延附近)具有理想的相关特性,零相关区(ZCZ)序列就是能够满足这样要求的序列。
The zero correlation zone sequence is a kind of perfect signal that has been developed in recent years. and it is of ideal correlation characteristic in synchronization error scope. It is applied to AS-CDMA system, and extend the exist space of perfect signal. 零相关区序列是最近的几年新出现的一种最佳信号,它在同步误差范围内具有理想的相关性质,被应用于近似同步系统中去,并扩展了最佳信号的存在空间。