46 results about "Boundary length" patented technology

A method of placing a dummy pattern in a wiring region includes calculating a density of a wiring pattern in the wiring region and calculating a value of a length of a periphery of the wiring pattern. The dummy pattern is then set such that a total of the pattern density and the value of the length of the periphery of the wiring pattern and the dummy pattern in the wiring region falls within specified ranges in the wiring region.

A semiconductor device, includes a first wiring pattern in a first region, a second wiring pattern in a second region, and at least one first dummy pattern formed in the first region and at least one second dummy pattern formed in the second region. A total area of the at least one first dummy pattern is the same as a total area of the at least one second dummy pattern and a total length of pattern periphery of the at least one second dummy pattern is longer than a total length of pattern periphery of the at least one first dummy pattern.

This semiconductor device according to the present invention includes a plurality of cylindrical lower electrodes aligned densely in a memory array region; a plate-like support which is contacted on the side surface of the cylindrical lower electrodes, and links to support the plurality of the cylindrical lower electrodes; a pore portion provided in the plate-like support; a dielectric film covering the entire surface of the cylindrical lower electrodes and the plate-like support in which the pore portion is formed; and an upper electrode formed on the surface of the dielectric film, wherein the boundary length of the part on the side surface of the cylindrical lower electrode which is exposed on the pore portion is shorter than the boundary length of the part on the side surface of the cylindrical lower electrode which is not exposed on the pore portion.

This semiconductor device according to the present invention includes a plurality of cylindrical lower electrodes aligned densely in a memory array region; a plate-like support which is contacted on the side surface of the cylindrical lower electrodes, and links to support the plurality of the cylindrical lower electrodes; a pore portion provided in the plate-like support; a dielectric film covering the entire surface of the cylindrical lower electrodes and the plate-like support in which the pore portion is formed; and an upper electrode formed on the surface of the dielectric film, wherein the boundary length of the part on the side surface of the cylindrical lower electrode which is exposed on the pore portion is shorter than the boundary length of the part on the side surface of the cylindrical lower electrode which is not exposed on the pore portion.

The invention provides a measuring method of amount of soil wind erosion in the plot, which comprises the first step, the plot for measuring and boundary are set; the second step, the soil wind corrosion circle is set; the third step, wind measuring device and collection part are installed; the fourth step, the speed and direction of the wind are counted; the fifth step, soil wind erosion material flow is corrected; the sixth step, the soil wind erosion material flow contributed by different grade of wind speed is determined, the seventh step, the eighth step, the soil wind erosion material flux is calculated; the ninth step; the relationship between the flux of the soil wind erosion material and the boundary length to the upper wind direction of the soil wind erosion circle is proposed, the length of the soil wind erosion in the plot to reach saturation state is determined; the tenth step, the length of the soil wind erosion saturation of other direction in the condition of different wind speed grade (i), the eleventh step, the irregular shape plot is converted into the equal area round plot; the twelfth step, the wind corrosion amount of different wind speed grades of each wind direction and the soil wind corrosion amount of plot are calculated.

The invention discloses a soil wind erosion measurement method, comprising the following steps: determining a circular measurement area, selecting several measurement points on the circumference; The sand collecting device in the center of the circle collects the wind erosion that leaves and enters the measurement area respectively; calculates the sand flux Qin and Qout that enters and leaves the measurement area, and the difference between the two is the single-width sand transport rate Q of the measurement area, which is The single-width sand transport rate Q is substituted into the following formula: A=Q×2πr÷πr2 to obtain the amount of soil wind erosion. The present invention does not need to keep the wind direction stable in the same wind erosion event, and does not need to calculate the variation of the sediment load with the length and define the non-erosive boundary, which increases the applicability of the present invention, simplifies the calculation method, and also improves the accuracy of the measurement. accuracy. The invention also discloses a soil wind erosion measuring device, which has high accuracy.

The invention discloses a sea surface oil spilling segmentation method based on polarized SAR (synthetic aperture radar) data fusion and belongs to the technical field of the application of an SAR to marine remote sensing. The sea surface oil spilling cutting method based on polarized SAR data fusion comprises the following steps: establishing an active contour energy functional based on a segmentation region maximum posterior probability standard, representing the distribution of the segmentation region into a Gibbs prior probability model, embedding an active contour model into a high-dimensional level set function, and obtaining a development equation by using an Euler Lagrange formula, wherein the model comprises a CFAR edge detection weighted boundary length item and a CFAR edge detection weighted fusion data statistics distance item. In addition, the invention provides a method for determining an evolution parameter. The segmentation result is obtained according to the level set function of the oil film attenuation characteristic initialization through evolution of the equation. Various SAR data and polarized SAR data can be fused effectively, and the automatic segmentation of the dark region of the sea surface can be realized.