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NMF can find basis vector through observation data,and discover image feature,obtaining the fusion image.

介绍了非矩阵分解的基本思想,讨论了非矩阵分解用于图像融合的可能性,并实现了基于非矩阵分解的遥感SAR图像与SPOT图像的融合,NMF能通过观测图像数据找到图像的基矩阵,发现图像的特征,从而最终获得融合图像。

The following results were obtained: 1. Several multi-pore materials were compared and a nylon membrane was choosed to conduct experiments. 2. Two devices and methods for controlling negative hydraulic heads were developed. Coupled with the devices, a system for precise control of soil moisture udring pot experiment was developed. 3. Two times of pot experiment studying wheat seedling growth under precise soil moisture control were conducted. Some very important results were obtained. 4. Capillary rise, horizontal and vertical infiltration under different nagative hydraulic heads were observed. The concepts of "critical wetting distance" and "wetting coefficient" were proposed. The linear relationship between wetting front movement distance and cumulative infiltration amount was confirmed. Spatial distribution model of soil moisture and its simple derivation method were established.

通过该项目支持,获得了以下的研究成果: 1、比较和检验了不同多孔材料,初步选定了用于水分控制的多孔膜材料; 2、完成了两种水头控制方法与装置的研究,并制作了仪器,与水头控制装置配套,制作了盆栽实验用水分精控盆; 3、进行了两期小麦苗期水分精确控制盆栽实验,获得了一系列重要结论; 4、进行了不同水头下土壤的毛管上升、水平入渗、垂直入渗研究,提出了临界湿润厚度、湿润系数两个概念,确定了湿润锋与入渗量的线性关系、土壤含水量的空间分布模型,土壤含水量空间分布的简单推算方法。

This paper combines with pipeline delivery of our countrys actual conditions and other methods of detection and location. To the leakage characteristic of the fault to the long-distance natural gas pipeline, a method is raised, which is on the basis of wavelet and negative-pressure-wave to detect the leakage and locate. Jobs in this paper are as follows:Multi-resolution decomposition and reconstruction of wavelet transform is utilized to filter the noises, which the leakage brings the noises of negative-pressure-wave. The research is worked in the wavelet and wavelet packet filter. The wavelet transform have a fast and accurate recognition capability to signal singularity. This paper chooses wavelet technology to catch the break point of pressure signal.

本文结合我国管道输送的实际情况和目前现有的各种泄漏检测与定位方法,针对天然气长输管线泄漏故障的特点,提出了基于小波分析和压波相结合的方法检测泄漏并定位,其中主要进行了以下几个方面的工作:利用小波变换的多分辨率分解和重构技术,对采集到的管道发生泄漏时产生的压波信号进行降噪处理,并对小波及小波包优化的降噪效果进行对比性研究;利用小波变换技术对信号奇异点的快速、准确的识别能力,捕捉压波信号的突变点,从而判断是否有泄漏发生。

Because the temperature along the pipeline is not a constant, it changes the velocity of the negative-pressure-wave; the Romberg algorithm of numeric integral and the searching for algorithm are emloyed to locate the leakage.Multi-scale decomposition and reconstruction of wavelet transform is applied to filter the noise of negative-pressure-wave, which was brought by leakage. With the capacity to detect the signal singularity fast and accurately, wavelet transform was used to catch the break point of pressure signal. The work improved the accuracy of Δt in location formula, and the location accuracy is improved.

利用小波变换的多分辨分析和重构技术,对采集到的管道发生泄漏时产生的压波信号进行了消噪处理;并利用小波变换技术对信号奇异点快速、准确的识别能力,对经过消噪处理后的压波信号进行了奇异点捕捉,准确确定了定位公式中上、下游站点采集到的压波奇异点的时间差△t,从而提高了定位的精度。

Spell-Like Abilities: At will - animate dead, blasphemy, cause fear, chaos hammer, clairaudience/clairvoyance, charm person, comprehend languages, create greater undead, create undead, darkness, death knell, death ward, deeper darkness, desecrate, destruction, detect chaos, detect law, feeblemind, greater dispelling, harm, fear, lightning bolt, magic circle against law, major image, polymorph any object, polymorph self, project image, pyrotechnics, read magic, scrying, slay living, symbol, telekinesis, teleport without error (self plus 1000 pounds), unhallow, unholy aura, unholy blight, wail of the banshee, wall of fire; 6/day - enervation, horrid wilting, implosion, negative energy burst, negative energy ray, negative energy wave, persistent image, shatter; 3/day - power word: kill, power word: stun; 1/day – bestow greater curse, hellball, shapechange, soul shackle, spirit wall, stop heart, time stop; 1/week - absorb strength, crushing fist of spite, evil weather, gut wrench, imprison soul, wrack.

类法术能力:随意使用:活化尸体,降咒,恐惧诅咒,混沌战锤,锐耳/鹰眼术,魅惑人类,通晓语言,创造大型不死生物,创造不死生物,黑暗术,死亡丧钟,防死结界,深度黑暗术,猥亵术,毁灭术,侦测混乱,侦测秩序,弱智术,强化解除魔法,伤害术,恐惧术,闪电术,反秩序法阵,变形万物,变化自身,投影术,烟火术,解读魔法,占卜术,生灵必杀,法印术,心灵致动,无错传送(自身家1000磅物品),邪居,邪恶灵光,邪影击,女妖之嚎,火墙术;每天6次:虚弱术,恐怖枯萎术,内爆术,能量脉冲,能量射线,能量波浪,永久幻象,粉碎术,每天3次:真言术:灭,真言术:定;每天1次:强力降咒术,地狱球,变形术,灵魂枷锁,灵魂之墙,心脏骤停,时间停止;每周一次:吸收力量,困扰之拳,邪恶天候,内脏绞痛,囚禁灵魂,灾难术。

In DMMCS, there is an alternative distribution of inertial instability column and inertial stability column, at the west and south, there lie negative CVV columns, while negative CVV column is beneficial to deep moist convection.(4) The strong slantwise convection induced by inertial instability, baroclinic instability and conditional symmetry instability will enhance the upper level southerly component. Because of the appearance of the compensated downdraft at the low level of the south side of DMMCS, the low level southerly is intensified, the enhancement of upper- and low-level cores are in favor of the development of DMMCS. And that will do favor for the reinforcement and maintenance of inertial instability, baroclinic instability and conditional symmetry instability, it is a positive feedback process.

深湿对流系统中高层西侧为MPV2 柱,东侧为正MPV2 柱;(3)深湿对流系统中惯性不稳定柱与惯性稳定柱相间分布,西侧为CVV 柱,东侧为正CVV 柱,CVV 柱对深湿对流起激发作用;(4)惯性不稳定、湿倾斜不稳定和条件不稳定产生强的倾斜式对流,而强的倾斜式上升运动加强了深对流系统北侧高层的南风分量,因深对流系统南侧低层出现补偿性下沉气流,因而低层南风加强,高低空急流中心的加强会进一步加强对流的发展,使得惯性不稳定、湿倾斜不稳定和条件不稳定增强和维持,这是一个正反馈过程。

objectiveto discuss the effect of the self-made negative pressure suction device in preoperative preparation of wound repair.methods27 patients who suffered soft tissue defect received the treatment of negative pressure suction device and underwent debridement during the time of dressing change, after 7 to 30 days (average 15.6 days) therapy, these wounds were repaired with skin grafts or flaps.resultsall of these patients' wounds became cleaner and smaller than before, and granulation tissue were fresh, the dermatoplasty or skin flap transplantation operations were successful.

目的:探讨自制简易压吸引装置在创面修复术前期准备中的治疗作用。方法:对27例有皮肤软组织缺损的患者采用自制的简易压吸引装置治疗,并在每次更换压装置时进行清创。经过7~30日,平均15.6日的治疗后,在创面上行二期游离植皮或皮瓣转移修复术。结果:27例患者经过治疗后创面清洁,面积较前缩小,肉芽生长新鲜,游离植皮或皮瓣转移修复均一次性获得成功。

After compensation of continuous motion of the platform and time difference between upslope and downslope signals for imaging, the moving target can be detected through displaced phase center antenna technology.

提出了一种利用三角波调制调频连续波进行地面高速运动目标检测的新方法,根据三角波调制调频连续波正、调频导致动目标成像结果在径向反向移动的特点,通过对正、调频信号分别成像,在补偿了载机平台的连续运动以及正、调频信号之间的时间差对图像的影响后,将两幅图像通过偏置相位中心天线处理,检测出高速动目标。

In short,the paper illustrates the feasibility of block diagram simulation analysis in negative feedback amplifier circuit.

本文利用EWB软件,采用方框图分析法,对由运放构建的电压反馈放大电路进行了仿真分析,同时将仿真结果与理论计算加以比较,结果显示两者一致,验证了反馈放大电路中的基本关系式。1仿真分析1.1电路组成反馈放大

The producer that application LabIEW has carried on fictitiously the signal and fictitious oscilloscope design ,Moreoer deepen to comprehend the negatie feedback toto the action that the improement amplifier performance respect is taked by means of the test ,Research tension series negatie feedback along with the negatie feedback electric circuit performance index quiz means .

运用LabIEW进行了虚拟信号发生器和虚拟示波器的设计,并且通过实验加深理解反馈对改善放大器性能方面所起的作用,研究电压串联反馈以及反馈电路性能指标的测试方法。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

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