36results about How to "Adjustment error" patented technology

A processing device and method for an error adjustment system for equalizing transmission characteristics of N signal processing circuitries according to N signal branches (N>1) are disclosed. An original complex IQ signal of a signal branch of N signal branches and a processed real signal of the signal branch are received. A processed complex IQ signal of the signal branch is calculated from the processed real signal and the original complex IQ signal of the signal branch. Then, a difference between the processed complex IQ signal and the original complex IQ signal is calculated. Finally, control values of a correction function of the signal branch are calculated on the basis of the calculated difference. The calculated control values are supplied to the correction function of the signal branch. The receiving, calculating and supplying operations are performed for all N signal branches.

A device for measuring the temperature of a measured spot of a measured object without contacting the measured object is provided. The device includes a detector on which electromagnetic radiation emanating from the measured spot is projected by an optical imaging system. A sighting device for marking the position and/or the size of the measured spot includes at least two light sources. Each of the two light sources provides a respective sighting ray.

The invention relates to a method for determining the location of the ocular pivot point (ADL) in an eye (10) of a test person. In the method, the mean curvature (KH) of the cornea (14) of the eye (10) is determined. The mean phase error (PF) of the eye (10) is determined as is the eye length (LA) from the mean curvature (KH) and the mean phase error (PF). The location of the ocular pivot point (ADL) is determined from the eye length (LA).

The invention relates to a railway-vehicle air-conditioner air supplying and returning system, which comprises air conditioners, wherein the air conditioners are arranged at both ends of a vehicle top, a through-type main air channel is arranged above a guest-room flat-top plate, an air outlet of each air conditioner is connected with the main air channel, and air is supplied to a guest room by the main air channel through an air-supplying opening which is formed below the main air channel; each air conditioner is provided with a first air-returning opening which is fixed to a vehicle-end flat-top plate and a second air-returning opening which is positioned above the vehicle-end flat-top plate, the lower edge of a guest-room lateral top plate is fixed to a connecting iron which is arranged on a lateral-wall framework through bolts, a cushion block is arranged between the connecting iron and the upper surface of the lower edge of the lateral top plate, an air-returning channel is formed between the lateral top plate and a lateral wall, and the air-returning channel is communicated with the second air-returning opening. According to the railway-vehicle air-conditioner air supplying and returning system, two air-returning channels are respectively formed between the guest-room lateral top plate and the two lateral walls, and the air-returning openings are formed in a vehicle-end flat top. One part of circulating air in a vehicle enters the upper space of a vehicle top through the air-returning channels and flows back to a machine set, and the other part of the circulating air directly flows back to the machine set through the air-returning openings in the vehicle-end flat top. According to the scheme, the airflow organization in the vehicle is improved, and the uniformity of a temperature and humidity field and a velocity field is improved.

An automatic charging and centering type cutting clamp for a building pipe comprises a pedestal bracket, a machine tool base, a machine tool rack, the building pipe, a cutting device, a first clamping device, a tooth-shaped guide rail, a moving gear, a driving motor, a connecting rod and a second clamping device, wherein the machine tool rack is arranged at one end of the upper surface of the machine tool base; the cutting device is arranged at the left sidewall of the machine tool rack; a through hole through which the building pipe passes is formed in the center of the machine tool bracket; the first clamping device which is in match with the building pipe is arranged at the right sidewall of the machine tool rack; the second clamping device is of the same structure as the first clamping device. With the adoption of the automatic charging and centering type cutting clamp for the building pipe, the pipe can be automatically centered, so that the cutting accuracy can be greatly improved; in addition, the pipe can be automatically charged, so that the work intensity of workers can be greatly reduced.

A power conditioner 10 is provided with a maximum power follow-up control portion 12 for setting a DC operating voltage of a power converter 11, which converts output power of a power generator 2 into AC power, for making a power point corresponding to the output level of the power generator follow up with a maximum power point, and comprises an approximate function memory 25 for storing approximate functions related to the maximum power point, a follow-up control portion 34 for making the present power point reach proximate of the maximum power point on the basis of the approximate function, and a hill-climbing method follow-up control portion 35 for making the present power point reach the maximum power point by using a hill-climbing method when the present power point has reached proximate of the maximum power point.

A lithographic apparatus is provided that has an aperture, a detector configured to detect an intensity of a radiation beam directed through the aperture and a processor configured to vary the intensity of the radiation beam through the aperture by a relative movement of the radiation beam and the aperture and to calculate a beam size of the radiation beam from the detected intensity and relative movement. Alternatively or in addition, a lithographic apparatus may include a focusing element configured to focus a part of a radiation beam in a focus plane, an aperture arranged in the focus plane of the focusing element, a detector configured to detect an intensity of the part of the radiation beam through the aperture, and a processor configured to vary the intensity of the radiation beam through the aperture by a change in a pointing direction of the radiation beam and to calculate a beam divergence of the radiation beam from the detected intensity and pointing direction. The apparatus offers a means to determine beam quality characteristics such as beam size and/or beam divergence.

The invention discloses a high-temperature large-temperature-difference steel structure roof truss and a construction method of a pottery clay plate in the lower inclined surface of the roof truss. The steel structure roof truss comprises I-steel of the steel structure roof truss, T-shaped aluminum keel, the pottery clay plate, hooks, an aluminum corner connector, a main galvanized steel square keel and a galvanized steel corner connector, a first bolt and a pad are arranged between the aluminum corner connector and the T-shaped aluminum keel, the aluminum corner connector is provided with a long round hole, and the first bolt penetrates the long round hole and the pad is additionally arranged so that the aluminum corner connector is fixed to the T-shaped aluminum keel. According to the high-temperature large-temperature-difference steel structure roof truss and the construction method of the pottery clay plate in the lower inclined surface of the roof truss, a connection method is changed, the long round hole is used, the first bolt and pad are used for connection, an expansion-contraction stress can be released under a large-temperature-difference heat motion, routine construction can be carried out normally under the high temperature condition, the safety risk is low, the technical difficulty is low, operation is simple, work time is saved, the cost is reduced, and the quality is ensured.

The invention discloses a microwave curing device for a composite material and a curing method thereof. The microwave curing device structurally comprises microwave magnetrons, a microwave cavity, a storage table, a magnetron controller, an infrared thermal imager, a vacuum positive and negative pressure bag and an indirect detection device. The microwave cavity is a regular n-polygon microwave cavity, n is equal to 6 or 8, and the storage table is placed in the center of the microwave cavity. The microwave cavity is of a double-layer structure and specifically comprises an inner shell and anouter shell. During curing, a composite material sample is placed on the surface of the storage table, and after a bin door is closed, the microwave magnetrons are started for sequential or symmetrical grouping heating; and after the sample is heated to the glass transition temperature at a constant speed, heating continues to be carried out until the temperature of the sample reaches Tg + 5 DEG C, the temperature of Tg + 5 DEG C is fixed for heating continuously until the temperature of the sample begins to drop, curing reaction is finished, and heating by the microwave magnetrons is stopped.A uniform microwave electromagnetic field can be obtained more easily, instantaneous uniformity is replaced with uniformity in a period, and the method is superior to a traditional microwave heatingmode that the curing speed is unbalanced.

Provided is a sample introduction system for sequentially introducing a plurality of samples into an analyzer 200, the system including: an auto-sampler 300 including a sampling needle 302 for suctioning a sample from each well 312 provided in a plate 311 placed on a sample rack 310 or from a sample container 313 placed in the well 312, a needle drive mechanism 303 for driving the sampling needle 302 in horizontal and vertical directions; an operation section 10 for allowing a user to command the needle drive mechanism 303 to drive the sampling needle 302; and a display controller 28 for displaying, on a screen of a display section 30, an identification of the well 312 related to a reference point defined on the plate 311 in a correction process conducted by the user by manipulating the operation section 10 no as to operate the needle drive mechanism 303 so that the sampling needle 302 is transferred to a predetermined position serving as the reference point.

The invention provides a fastener connecting structure. The fastener connecting structure comprises a fastener base and a fastener body, and the fastener base and the fastener body are used for connecting a first mounting part with a second mounting part. The fastener base is mounted on the first mounting part, the fastener body is mounted on the second mounting part, and the fastener base is provided with a plurality of fastening positions fastened with the fastener body. The fastener connecting structure not only can guarantee positioning mounting between the first mounting part and the second mounting part and can adjust mounting error of the first mounting part and the second mounting part. Accordingly, the problem that the relative positions of the first mounting part and the second mounting part are unmatched and consequently cause assembly failure due to visual error or misoperation of operators during assembly of the first mounting part and the second mounting part can be effectively solved.

The invention relates to a water flow sensor. The water flow sensor mainly comprises a shell (3) and is characterized in that a water inlet (1) and a water outlet (2) are respectively formed in the front and rear ends of the shell (3), an impeller (4) is mounted in the shell (3), and the impeller (4) is provided with an impeller shaft (5), magnets (6) and impeller blades (7); the opening of the shell (3) is provided with an upper cover (9), and a sealing ring (11) is arranged between the shell (3) and the upper cover (9), a position, close to the magnets (6), of the upper cover (9) is provided with a sensing head (10), the water inlet (1) is provided with an elastic metal sheet (8), one end of the elastic metal sheet (8) is narrowed and forms an included angle with the water inlet (1) so as to form a nozzle (12), and the opening of the nozzle (12) directly faces the impeller blades (7).

The invention relates to the technical field of mechanical arms, and discloses an industrial mechanical arm for controlling an industrial numerical control machine tool, which comprises a first base, a second base, a bottom mechanical arm, a middle-end mechanical arm and a front-end mechanical arm, and one ends of the bottom mechanical arm, the middle-end mechanical arm and the front-end mechanical arm are connected pairwise. The other end of the bottom mechanical arm is connected to the top of the second base. After the extending sleeve, the clamping component, the clamping power component, the pressed supporting component and the secondary locking component are assembled and matched, the clamping and locking auxiliary mechanical arm is formed and serves as an extending structure of a front-end mechanical arm, and besides installation support and stable use support are provided for a specified clamping jaw subsequently, the clamping and locking auxiliary mechanical arm is used for clamping and locking. The extension sleeve and the pressed supporting component can be rapidly separated and replaced under the clamping and locking effects of the clamping power component, the clamping component and the secondary locking component, the maintenance or replacement operation time of workers is shortened, and the use efficiency of the whole equipment is improved.

The invention discloses a progressive collapse resistance test device for an arc-shaped beam column substructure, which comprises an arc-shaped beam column substructure test piece, and is characterized by further comprising a column head restraining device; the arc-shaped beam column substructure test piece comprises an arc-shaped beam and supporting columns located at the two ends of the arc-shaped beam, and a column head without a support at the lower end is arranged in the middle of the arc-shaped beam; the column head restraining device comprises a bottom plate and a limiting column arranged on the bottom plate, and a limiting groove in the height direction of the limiting column is formed in the limiting column; the column head of the arc beam column substructure test piece is located in the limiting groove and can slide up and down along the limiting groove. The device has the advantages that rotation and horizontal deformation of the column head in the test piece are restrained, only the vertical degree of freedom exists, and the collapse process of an arc-shaped beam structure can be truly simulated; the restraining device is in contact with the column head through the polyfluortetraethylene plate, so that the friction force is small, the vertical resistance provided by the device to the test piece is reduced, and the interference to the test result is avoided.

The invention provides a prefabricated component of an embedded line pipe. The prefabricated component comprises a component body, wherein the component body comprises a prefabricated concrete part and a reinforcing steel bar part; a main line pipe fixed in the component body; and a regulating line pipe including a connection end and a free end, wherein the connection end is connected with the main line pipe, so that the main line pipe communicates with the regulating line pipe, and the free end can regulate the orientation and distance relative to the connection end. According to the prefabricated component of the embedded line pipe provided by the invention, it is not necessary to arrange a connection operation area on the prefabricated component, so that the component production is simplified; and meanwhile, the main line pipe plays the role of connecting and fixing lines in the prefabricated component, the regulating line pipe is used to coordinate an error between line pipes in different prefabricated components, so that it is convenient for construction and adjustment of a connection position, and the connection between the line pipes is simplified, thereby improving the construction efficiency.

The invention discloses a signal processing system for a carbon baking kiln gas temperature alarm device. The system mainly comprises a processing chip U, a triode VT2, a polarity capacitor C7, a resistor R8, a diode D3, a signal reception low pass filtering circuit which is separately connected with a base electrode of the triode VT2 and a VC base pin of the processing chip U, and a frequency error correction circuit connected with the processing chip U. The system is advantaged in that useless signals of signals can be inhibited or eliminated, phases and frequency errors of output signals can be adjusted to make the output signal be stable, so signal processing accuracy is improved, and the temperature alarm device is guaranteed to accurately alarm when carbon baking kiln gas temperature is overhigh.

The invention provides the bearing outer ferrule multi-parameter automatic detection device and method with multiple functions, high precision and high automation degree. The bearing outer ferrule multi-parameter automatic detection device comprises a workbench, wherein a horizontal moving module, a detection module and a base installation module are installed on the workbench, the horizontal moving module comprises a bracket and a bottom plate; the bracket is fixed on the workbench, the bottom plate is fixed on the bracket, and a sliding device A and a displacement sensor A are arranged on the bottom plate; the detection module is fixed on the sliding device A and can horizontally move on the bottom plate; the detection module comprises a T-shaped bracket, a sliding device B, a sliding device C, a left mounting plate, a right mounting plate, a measuring device A, a measuring device B, a height measuring device, a displacement sensor B and a displacement sensor C; a height measuring device is fixed below a short plate of the T-shaped bracket; and the base mounting module is arranged below the detection module.