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The present paper introduced one kind of brand-new transformer measured the warm far biography method -separate method, it has abandoned the tradition the transformer temperature signal by in the remote survey way the biography, the demonstration mentality, but is fully excavates the existing dispatch monitoring automated system the function, the scene transformer temperature signal through the self-made temperature converter, transforms with the transformer temperature correspondence discrete magnitude, far passes to through the RTU remote letter signal the dispatch monitoring end, carries on the demonstration again in the dispatch end using the monitoring software corresponding formula inversion for the warm measure.
本论文介绍了一种全新的变压器测温远传方法-离散法,它摒弃了传统的将变压器温度信号以遥测量的方式上传、显示的思路,而是充分发掘现有调度监控自动化系统的潜在能力,将现场变压器温度信号通过自制的温度变换器,转换成与变压器温度对应的离散量,通过RTU遥信信号远传到调度监控端,在调度端利用监控软件相应的公式再反演为温度量。
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A sample of 480 Chinese adolescents and 115 juvie aged 13-18 was investigated with series of Chinese transitions of measures, including the revised Ego Identity Status Questionnaire(EOMEIS-2) and Adolescent's Social Adaptive Behaviors Questionnaire. Results indica ted:1. For the adolescents, the distributions of ego identity statuses, whether in the ideological, interpersonal or total domain, are unbalanced.
首先,通过问卷预测,对问卷进行修订和信效度的检验,再以修订后的问卷正式施测,然后运用卡方检验和方差分析探讨同一性状态和社会适应性行为的发展特征,最后通过方差分析考察同一性状态和社会适应性行为的各个层面的关系。
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In section 3 and section 4, We obtain other Kirkman frames by giving weights to some types of GDDs with block size at least 4. Finally, through using recursive and"filling hole"constructions, we give a complete solution to the embedding problem of resolvable minimum coverings of pairs by triples.
在第三节与第四节中,我们利用已知的特别有用的一些Kirkman frames、再利用已知存在的区组长至少为4的可分组设计通过加权后构造出另一系列Kirkman frames,最后通过递归和填洞构造法,解决了λ=1时可分解最小覆盖三元系的嵌入问题。
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Just pay attention to that the gains for plus and minus signals are the same, and the area of the signal around zero. I checked the LM35, the accuracy is good, but does it need 2 diodes in series to measure the temperature lower than -20 degree C? You could consider TC1047A that I used before, it doesn't need any other component, and it can go directly to A/D.
我用4051是想将AD620的+/-输出信号不通过绝对值电路,而是接一个反相电路,反相前后的信号通过4051和极性判断电路有选择的将信号的绝对值电压再送入AD,用这个方法也能处理温度传感器LM35的输出信号,我想这是个比较安全的方法了吧!
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The preliminary chromatogram data were resolved with Mallat algorithm of wavelet analysis theory. This method that resetting the high frequency signals, reconstructing low frequency and then correcting the background signals in the original signal was to avoid the data skewness with negative digital points after background correction and achieve the baseline correction; according to the study and analysis of simulated data including curve background and real data of the needle-plate and free metal partials insulation defects, the method is effective; the best wavelet function of the background correction is Db5 and the best resolution times of the background correction is 8 for chromatogram data of SF_6 decomposition products, based on the calculation with different wavelet functions and resolution times.
在初步获取的气相色谱数据基础上,运用小波分析技术中的Mallat算法对色谱数据进行小波分解,采取将高频信号置零,重构低频背景信号,再用原始信号扣除背景信号的方法,并对背景信号进行纵向平移以避免扣除后出现负数据点造成色谱峰失真的题目及达到色谱图基线校正的目的;通过对含曲线背景信号的模拟色谱数据和针-板、自由金属微粒缺陷下的真实数据的计算研究表明,该方法的应用是有效的;并通过对不用小波函数和不同分解次数的背景扣除计算,确定了SF_6气体放电分解组分色谱背景扣除所选用的最佳小波函数为Db5小波和最佳分解次数为8次。
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To demonstrate experimentally the generation of velogenic NDV from a nonpathogenic waterfowl isolate, we passaged an avirulent goose isolate in chickens.
为了通过实验证明从水禽中分离的非致病型NDV可以转变为速发型病毒,我们通过在鸡体内传播鹅源性无毒力株,经气囊接种连续传代 9次,随后再在鸡脑内传代 5次。
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In normal condition, the Sobel operator can be used to get the image edge.
通过对不同光照情况下的图像特征分析,提出了不同光照情况下的图像边缘检测算法:正常光照条件下采用Sobel算子进行边缘检测;弱光照条件时先用MSR(multi-scale retine)进行图像细节增强处理,再利用类别方差自动门限法得到图像边缘;强光照条件下通过灰度扩展,将所感兴趣的灰度范围放大得到图像的边缘。
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The characters of different illumination conditions are studied and the corresponding algorithms of gray image edge detection are proposed. In normal condition, the Sobel operator can be used to get the image edge. When the illumination is faint, the image is first enhanced by the MSR, and then the variance threshold algorithm is employed. While the light is strong, the image edge can be got by gray expand. At last, the instance image is detected.
通过对不同光照情况下的图像特征分析,提出了不同光照情况下的图像边缘检测算法:正常光照条件下采用Sobel算子进行边缘检测;弱光照条件时先用MSR (multi-scale retine)进行图像细节增强处理,再利用类别方差自动门限法得到图像边缘;强光照条件下通过灰度扩展,将所感兴趣的灰度范围放大得到图像的边缘。
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Next the MCU control the interface circuit of telephone to accomplish simulated off-hook, then auto-dial by dial-up circuit of DTMF, and play the phonetic information which has been recorded beforehand by phonetic circuit, to tell the user of the emergency which has occurred so that they can take corresponding step on time.
当红外探测器检测到警情的时候,就会向单片机发出中断请求,再由单片机控制电话接口电路,实现模拟摘机,通过 DTMF 拨号电路实现自动拨号,并由语音电路通过电话完成播放预先录制好的语音信息,实现语音报警,来通知用户发生警情,以便让他们及时的做出相应措施。
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At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the American put price into a standard initial and boundary value problem of Parabolic Type by making some transformations.
在第四章,对美式看跌期权价格所满足的偏微分方程定解问题通过作一系列变换,使之转化为一个标准的抛物型初、边值问题,接着又通过傅里叶变换,把抛物型初、边值问题转换为一个关于时间变量的常微分方程初值问题,然后再分别利用改进的欧拉法和有限元法对其进行了求解。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力