9results about How to "Reduce measurement efficiency" patented technology

The invention discloses an amplitude-phase deviation measurement method for simulating an active phased array, which comprises the following steps of: calculating amplitude deviation proportions and phase deviation values of all uplinks / all downlinks of a one-dimensional linear array or a one-dimensional conformal array at one time by utilizing an actual measurement complex number transmitting directional diagram / actual measurement complex number receiving directional diagram; and determining the amplitude-phase deviation of the two-dimensional planar array or the two-dimensional conformal array by using the amplitude-phase deviation of all the one-dimensional linear arrays or all the one-dimensional conformal arrays. Compared with an existing amplitude-phase deviation measurement method, the amplitude-phase deviation measurement method has the advantages that calibration of the transmitting directional diagram / receiving directional diagram is a direct calibration method of the transmitting directional diagram / receiving directional diagram, and due to the fact that the actually-measured transmitting directional diagram / actually-measured receiving directional diagram contains the influence of the mutual coupling effect between the antenna units, the amplitude-phase deviation measurement method can be applied to calibration of the transmitting directional diagram / receiving directional diagram. The deviation between the formed transmitting pattern / receiving pattern and the expected transmitting pattern / receiving pattern is small, and the method has the advantages of being short in measurement time, high in measurement efficiency, low in measurement cost and the like.

The invention provides a building construction measuring device convenient to move, and relates to the technical field of measuring equipment.The building construction measuring device comprises a measuring instrument, a connecting base is arranged at the bottom of the measuring instrument, measuring supports are rotationally connected to the peripheral face of the connecting base in an array mode, adjusting supports are slidably connected to the inner walls of the measuring supports, and a limiting frame is fixed to the top of the connecting base and penetrates through the bottom of the measuring instrument; the novel adjusting mechanism is adopted, the limiting pieces are eccentrically connected with the limiting frame, the connecting shaft deviates from the middle portions of the limiting pieces, the angle of the measuring instrument is adjusted according to a measured object, after adjustment is completed, the rotating handle is rotated, the limiting pieces rotate around the connecting shaft, and the limiting pieces rotate around the connecting shaft; the measuring instrument is fixed and prevented from shaking in the measuring process, under the protection of the rubber sleeve, the loss between the limiting piece and the measuring instrument is reduced, meanwhile, the tightness between the limiting piece and the measuring instrument is improved, and long-time use is facilitated.

The invention discloses an amplitude-phase deviation measurement method for a digital phased array, and the method comprises the steps: calculating the amplitude deviation percentages and phase deviation values of all uplinks / all downlinks of a one-dimensional linear array or a one-dimensional conformal array at a time through an actual measurement complex number transmitting directional diagram / actual measurement complex number receiving directional diagram; and determining the amplitude-phase deviation of the two-dimensional planar array or the two-dimensional conformal array by using the amplitude-phase deviation of all the one-dimensional linear arrays or all the one-dimensional conformal arrays. Compared with an existing amplitude-phase deviation measurement method, the amplitude-phase deviation measurement method has the advantages that calibration of the transmitting directional diagram / receiving directional diagram is a direct calibration method of the transmitting directional diagram / receiving directional diagram, and due to the fact that the actually-measured transmitting directional diagram / actually-measured receiving directional diagram contains the influence of the mutual coupling effect between the antenna units, the amplitude-phase deviation measurement method can be applied to calibration of the transmitting directional diagram / receiving directional diagram. The deviation between the formed transmitting pattern / receiving pattern and the expected transmitting pattern / receiving pattern is small, and the method has the advantages of being short in measurement time, high in measurement efficiency, low in measurement cost and the like.

The present invention discloses a measuring machine for geological exploration profiles, including a collection vehicle, an upright column, an arc-shaped closing plate, a deep insertion collection component and a transfer support component. The upright columns are symmetrically arranged on the upper walls at both ends of the collection vehicle, the arc-shaped closing plate is arranged on the upper wall of the upright columns, the deep insertion collection component is arranged on the upright columns, the transfer support component is arranged on the deep insertion collection component, and the deep insertion collection component includes an upright component, a dynamic source component and a retrieval component. The present invention belongs to the technical field of profile exploration, and specifically refers to a measuring machine for geological exploration profiles; the present invention provides a measuring machine for geological exploration profiles that can ensure the continuity of the exploration layer profile after sampling, and can fix the exploration layer that enters the sampling container inside the sampling container through adsorption force and store it inside the sampling container.

The utility model provides a precision measuring device. The precision measurement device comprises: a data detection device, wherein the data detection device comprises at least one of a position detection device and a distance detection device; the controller is electrically connected to the data detection equipment; and the alarm equipment is electrically connected to the controller. According to the invention, the precision can be automatically detected, so that the precision measurement efficiency is improved.

The application discloses a numerical control multi-axis linkage optical contact type composite measuring platform and relates to the technical field of measuring instruments. The application aims at the problem of the decrease of overall measuring efficiency caused by the increase of non-measuring time due to the difficulty in forming adaptive normal fitting between a probe tip and a workpiece surface and the failure to realize dynamic pose cooperative adjustment of contact points. The application can realize dynamic pose cooperative adjustment by forming a double-side driving mode between the workpiece and the probe tip. Specifically, the application completes the lifting of the workpiece to be measured in the loading space through the cooperative matching action of the rotating top ring and the upper rotating and contracting ring, and then uses the probe tip with the rotatable and deflectable action to complete the normal fitting of the workpiece part with any surface orientation, so as to finally complete the rapid contact and measurement of the probe tip and the workpiece to be measured and achieve the purpose of effectively improving the measuring efficiency under the premise of significantly reducing the non-measuring time of the workpiece to be measured.

The invention provides a pedal force displacement automatic adjusting circuit which comprises a processor chip and a motor control chip used for controlling a motor, and the motor control chip is connected with the processor chip; the analog-to-digital conversion chip is connected with the processor chip; the invention further provides an automatic pedal force displacement adjusting device and method. The device comprises a support; a motor; the bracket is arranged on the bracket; the driving wheel is connected with the motor, and the motor can drive the driving wheel; the driven wheel is meshed with the driving wheel, and the driven wheel can rotate along with the driving wheel; the bushing is provided with a threaded hole, and the bushing is fixedly arranged on the driven wheel; the large lead screw is mounted in the threaded hole; the switching assembly is connected with one end of the large lead screw; a displacement sensor is arranged on the switching assembly; the force sensor is arranged between the switching assembly and the hook; and the hook is connected with the switching assembly, and the hook can be hung on the pedal.

The utility model discloses a kind of for furnace bottom mechanical frame assembly's hanging line device, belong to furnace bottom mechanical frame assembly technical field, including hanging line frame, the hanging line frame includes upper assembly and lower assembly, upper assembly is equipped with hanging line guide pulley assembly, the lower assembly includes two first support frame and two second support frame;Through the cooperation of hanging line guide pulley assembly and lower assembly, the center line is measured, and symmetry on both sides is guaranteed;The device can be accurately adjusted and locked to steel wire line transversely, prevent the measurement error caused by poor tool precision, and compared with the measurement of multiple people cooperation in the prior art, only one person can complete measurement in the utility model, improve the efficiency of measurement.

The invention discloses a device and method for measuring the diameter of the internal thread sealing surface of a special buckle. A fixed guide rail block and a fixed measuring rod fixed on the fixed guide rail block are used as fixed ends with adjustable distances, and a fixed measuring head is provided on one side of the lower end of the fixed measuring rod; then a movable guide rail block shell fixedly connected to one end of a guide rail arm is used as a fixed movable end, a sliding cavity is provided in the movable guide rail block shell, and a movable guide rail block capable of sliding in the sliding cavity is provided in the sliding cavity, and an indicator is fixed on one side of the movable guide rail block shell; the measuring part of the movable measuring head and the measuring part of the fixed measuring head are arranged relatively to each other and in the same horizontal plane, and a pair of inner measuring head structures capable of relative movement are formed by using the measuring head on the movable measuring rod on the movable guide rail block and the fixed measuring head, so as to realize rapid detection of the size of the sealing surface of the special buckle, improve measurement efficiency, reduce measurement difficulty, and effectively ensure production efficiency. The device has a simple structure and accurate measurement results.