波点

By using the meshless method, a numerical ocean engineering basin was established to simulate irregular waves propagated in shallow water. Locating the source points outside the computational domain, the problem of water wave propagation was solved by collocation of only a few boundary points instead of meshes.

采用基于配点和径向基函数的无网格数值模拟方法，建立数值海洋工程水池，将源点布置在模拟波浪场之外，沿边界布置配点而不是划分网格；对深水不规则波经斜坡过渡后在均匀水深浅水域中传播的过程进行无网格数值模拟和波谱的迭代修正。

A detection method of double-threshold constant false alarm movement object on double-base synthetic aperture radar includes finalizing distance compression of various pulse-sampling, dividing orientation time to be multiple CPI, carrying out FFT in each CPI to enter orientation frequency domain, comparing data amplitude of frequency channel at external of clutter region with the first threshold and outputting point trace, making coagulation on point trace, making Hough transform in point trace domain and making decision of the second threshold.

本发明涉及一种用于双基地合成孔径雷达的双门限恒虚警运动目标检测方法，其特征在于：1对每个脉冲采样完成距离压缩；2把方位时间分割成多个相干处理间隔；3在每个CPI内做快速傅立叶变换进入方位频域；4把杂波区外的频率通道的数据幅度和第一门限比较做判决并输出点迹；5点迹凝聚；6在点迹域做Hough变换并做第二门限判决。

The optimized weight is arrived by weighted the minimum variance distortionless response weights of these samples with their post probabilities. In addition, the samples with little post probabilities will be resampled and it improves the robustness of beamforming effectively.

在该算法中期望信号的波达方向被看成一个由若干样点组成的随机变量，利用后验概率对这些样点的最小畸变响应波束成形权值进行加权来取得优化的权值，并对小概率样点进行重采样，有效地提高了波束成形系统的鲁棒性。

The results show that with the sea level rise, amphidromic point in this sea area tends to move to the southeast, and then coastal tidal ranges change present consequently different features ,that is,at the left side and bayhead coast near the amphidromic point they change evidently, and little at the right side and bayhead coast far away from amphidromic point.

将南黄海概化为一等深矩形海域，初步研究了在海平面上升3m 和 5m 条件下该海域旋转潮波系统的演化趋势，继而分析了沿岸潮差变化特征。初步分析研究表明：随着海平面上升，该海域 M2 分潮的无潮点有向东南方向偏移的趋势，受此影响，沿岸潮差呈现不同的变化特征，靠近无潮点的左侧及湾顶海岸变化明显，而远离无潮点的右侧及湾顶海岸则变化不大。

The results show that with the sea level rise, amphidromic point in this sea area tends to move to the southeast, and then coastal tidal ranges change present consequently different features ,that is,at the left side and bayhead coast near the amphidromic point they change evidently, and little at the right side and bayhead coast far away from amphidromic point.

将南黄海概化为一等深矩形海疆，初阶研究了在海平面上升3m 和 5m 前提下该海疆扭转潮波体系的演化趋势，继而剖析了沿岸潮差厘革特性。初阶分析研究剖明：跟着海平面上升，该海疆 M2 分潮的无潮点有向东南标的目的偏移的趋势，受此影响，沿岸潮差泛起差此外厘革特性，接近无潮点的左侧及湾顶海岸厘革较着，而阔别无潮点的右侧及湾顶海岸则厘革不年夜。

This method selects two parameters, energy and variance, as the characteristic parameter of trolley track, and successfully in extracts the feature frequency belt of trolley track vibration. Furthermore, this technology is applied to practical engineering programs and has good veracity and reliability.2. According to the research of this thesis on the trolley tracks\' present data, the status classification of trolley track with normal distribution is presented. This method divides trolley tracks\' situations into five parts and perfects the classifying method of trolley tracks\' mechanical situation.

具体工作如下；1、将小波包分析方法运用到岸桥小车轨道振动信号的分析中，选取能(来源：A65BC0f论c0文网www.abclunwen.com)量与方差作为轨道的振动特征参数，有效提取出铰点部位与非铰点部位的振动特征频段。2、将正态分布原理引入到岸桥小车轨道铰点机械性能状态的划分之中，并用最大熵概率分布加以验证，准确地反映了实际情况，并定义了正态分布诊断准则的状态分级评价的原则和临界点，方便和简化了状态判断的决策过程。

Out of Merton College, while we are talking about just feeling rushed to the side of the Church College to see Harry Potter, there has been ranked after the group, it appears that Harry Potter is the big attraction, we row A will, immediately to the front, her husband suddenly said he did not like Harry Potter, do not want to spend so much money to eat him, I thought, that took nearly 300 money really is not worth a canteen, So we ran out of the team, which under no place to go, and her husband in the tourist guide on a big picture of the dinosaurs, said that to go there, I saw, ha ha free Museum of Oxford, and there are also free pittrivers Museum Is much point.

在默顿学院，而我们所谈论的只是感觉送往一侧的教会学院看到哈利波特，还有被评为集团后，似乎哈利波特是个大的吸引力，我们连续意愿，立即前线，她的丈夫突然说他不喜欢哈利波特，不想花太多钱给他吃，我想，这花了将近300钱真的是不值得一间餐厅，所以我们跑出去了球队，这在任何地方可去，和她的丈夫在导游的一个大图片的恐龙，他说，去那里，我看到了，哈哈免费的博物馆，牛津大学，也有免费的博物馆很多pittrivers点。

Because of the ray asymmetry of the downgoing and upgoing waves, the velocity analysis based on the CMP gather cannot be adapted to that of the converted wave.

转换波上、下行波的不对称性，使得常规基于共中心点道集的速度分析不能适用于转换波。

Figure 2 shows the jigging concentrate relations between content and ore feeding volume, when the diaphragm jig and the sawtooth pulsation jig are provided with different ore volume. Figure 3 shows the jigging concentrate relations between the sulphur recovery rate and ore feeding volume. As the test result shows, when the tailing content reaches approximately 7%, the diaphragm jig has 1.00 t / h · m2 feeding volume, which is also the maximum sorting efficiency in the test. As such, the sawtooth pulsation jig could choose 1.2 t / h · m2 feeding volume. As the test contrast of two groups shows, the sawtooth pulsation jigging concentrate contains higher-grade sulphur than the diaphragm jigging concentrate does.

图2为隔膜跳汰机及锯齿波跳汰机在不同给矿量的情况下，跳汰精矿品位与给矿量的关系，图3为跳汰机精矿硫回收率与给矿量的关系，试验结果表明，在尾矿品位接近7%，隔膜跳汰机给矿量为1.00 t/h·m2指标是隔膜跳汰机给矿量试验中选别效率最高的点，同理选择锯齿波给矿量为1.2 t/h·m2，将两组试验数据比较可以看出，锯齿波跳汰精矿含硫品位高于隔膜跳汰精矿含硫品位。

Therefore, the choice of single mode in the examination and the frequency-thick band of mode has been given a particular illumination separately in the paper, following a relative numerical simulation. And a multi-cyclical sine signal modulated by Hanning window is used to simulate the excitation wave, and then an inspected ring of nodes is established to receive the echo, finally how the length of the circumferential cracks, the width of the axial cracks and the degree of the thickness-reduce effect the result is explained through the analysis of the result, further more, the reflection factor in the defect has been calculated.

因此，本文也就单一检测模态的选择以及模态频厚积段的选择分别予以了阐述，并有针对性的进行了数值计算：应用Hanning窗调制的多周期正弦波模拟单音频激励信号，并设置监测质点环接收回波，通过分析说明了管道的周向裂纹、轴向裂纹以及点蚀缺陷对缺陷回波所产生的影响，并进一步计算了缺陷处的反射系数。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。