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2results about How to "Reduce frequency difference" patented technology

A combined bracket for exhaust system of high-horsepower engine

The present invention discloses a combined bracket of a high-horsepower engine exhaust system, including a turbine rear exhaust pipe bracket and a rear exhaust pipe main bracket; the rear exhaust pipe main bracket includes a nearly "Y"-shaped frame body composed of a vertical support plate and a left support plate, as well as a horizontal plate, an "L"-shaped connecting groove body, a left vertical plate, and an exhaust pipe connecting plate; the turbine rear exhaust pipe bracket is nearly "L"-shaped as a whole, and a turbine rear exhaust pipe connecting plate is provided at its upper left end; the lower right part of the turbine rear exhaust pipe bracket is connected to the left vertical plate. The present invention has the advantages of good anti-seismic performance, strong reliability, good use effect, etc.
Owner:GUANGXI YUCHAI MASCH CO LTD

A loess plateau transition zone frequency consistency processing method

The application discloses a loess plateau transition zone frequency consistency processing method, which comprises the following steps: obtaining a common midpoint / common reflection point gather A of a target area; obtaining a corresponding stack / migration profile according to the common midpoint / common reflection point gather A, and extracting a frequency attribute FA along a target layer on the stack / migration profile; processing the common midpoint / common reflection point gather A to obtain a high-resolution gather B, stacking the high-resolution gather B, and extracting a frequency attribute FB along the target layer on a profile obtained through the stacking; determining an expected main frequency FH conforming to a feature of the target area data; determining weight coefficients x and y of the frequency attribute FA and the frequency attribute FB according to a relationship among the expected main frequency FH, the frequency attribute FA and the frequency attribute FB; applying the weight coefficients x and y to the gather A and the gather B respectively to obtain an expected main frequency gather C; and stacking the expected main frequency gather C to obtain a corresponding result profile.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1