51results about How to "Improve data processing accuracy" patented technology

The invention discloses a wind profile radar signal processing method, which comprises the specific steps: (I) constructing a wind profile radar signal processing system comprising an industrial control computer (1), a digital intermediate-frequency receiver board (2), a system control module (3) and a signal processing module (4); (II) collecting a radar echo signal by the digital intermediate-frequency receiver board (2); (III) carrying out signal processing by the signal processing module (4); and (IV) carrying out spectrum data processing ,displaying and transmitting by the system control module (3) to obtain wind field echo signal power and a signal to noise ratio estimated value on a processed flight level, thereby, wind profile radar signal processing is realized. In the method, the data processing precision is high; the storage capacity is high; the complexity and the cost of hardware are reduced; the performance and the reliability of the system are improved; the expansion and the updating of a signal processing algorithm are convenient; the universality is strong; the product cost performance is high; and the requirement of product lot sizing is ensured.

The invention provides an insulin pump capable of automatically detecting the amount of medicine charged and a method for automatically detecting the amount of medicine charged. The insulin pump includes a casing, a control module, a DC servo motor, a drug delivery transmission assembly driven by the DC servo motor, and a cartridge for containing medicine. The drug delivery transmission assembly includes a screw rod and a push rod, which are used to convert the output torque of the DC servo motor into the axial torque of the push rod. In particular, a position switch is provided in the housing for detecting whether the cartridge entering the housing along with the push rod reaches a set position. The present invention realizes the automatic detection of the initial drug dosage of the drug cartridge, avoids the error caused by the visual inspection of the initial drug dosage in the prior art, improves the accuracy of data processing, and ensures that the insulin pump can control the regularity of normal pancreas secretion. Simulation effect.

The invention discloses a method for determining a container model of a single tooth, in particular to a method for determining a container model based on tooth surface characteristics and a local three-dimensional right angle coordinate system, which mainly comprises the following steps: based on a segmentation tooth digital model, reflecting the curve degree at the peak by utilizing complex collection of a triangular facet and a discrete Gaussian curvature, collecting surface feature points of a single tooth; based on the surface feature points of the single tooth, establishing corresponding local three-dimensional right angle coordinates for incisor teeth, cuspid teeth, premolar teeth, and odontoprisis; and respectively establishing the container models of the incisor teeth, the premolar teeth, the odontoprisis and the cuspid teeth by using extreme values of the single tooth model under the three-dimensional right angle coordinate system. The invention has the advantages of novel and reasonable design, convenient implementation, high operating speed, high data processing accuracy and good implementation effect, can extract characteristic points of teeth and facilitate the operation on teeth, and can be used in the tooth correcting system.

The invention discloses a detection method of the passive resistance of an electronic device. According to the detection method, a reasonable tap position of an adjustable resistor is selected according to the theoretical range of testing resistance; collection and measurement are carried out at fixed time points; when resistance in different range intervals is measured, the adjustable resistor is switched to a different tap position; a direct-current alternating measurement method is adopted to further improve the accuracy of the resistance according to the selected tap position; and finally, with two methods mentioned in descriptions of the invention used in combination, the resistance value of the electronic device is calculated through adopting a curve fitting method. With the detection method provided by the technical schemes of the invention adopted, measurement accuracy and precision can be ensured. The detection method has a high engineering application value.