40results about How to "Improve evaluation ability" patented technology

The invention relates to a real-time classroom evaluation achieving system based on the network technology. The system comprises student identity cards, a teacher hand-held terminal and a server-side module, wherein the student identity cards are used for identifying student identities, the teacher hand-held terminal is used for identifying the student identities according to the student identity cards and sending a control instruction, and the server-side module is used for receiving the control instruction sent by the teacher hand-held terminal and converting the control instruction into actual operation. The invention further relates to a real-time classroom evaluation achieving method based on the network technology. By the adoption of the real-time classroom evaluation achieving system and method based on the network technology of the structure, a teacher can conveniently and rapidly evaluate students in class in the elementary education stage, data are immediately recorded and transferred through the mobile network, the vivid and immediate effect display is achieved, the classroom evaluation actions of the teacher on the students can be sufficiently recorded, relevant data are accumulated, meanwhile, the evaluation result is displayed on a screen, the evaluation effect is enhanced, and the application range is wider.

The invention belongs to a flight test-flight technique and relates to a flight simulating method for flight quality and operating characteristics of a transport plane test pilot. The flight simulating method comprises the following steps: taking a certain type of transport plane as a prototype and establishing a dynamic simulating model for different quality characteristics of the transport plane; confirming pneumatic parameters under the quality characteristics according to to-be-simulated different quality characteristics, and resolving an operation response of the airplane in real time according to the pneumatic parameters; performing flight quality modal parameter calibration on the resolved dynamic simulating model for the different quality characteristics, thereby meeting the expected quality and operating characteristics. By utilizing the method provided by the invention, the test pilot can experience a standard and continuous change process of the airplane operation and quality characteristics, so that the evaluating capacity of the test pilot for a task can be promoted; the operation and quality characteristics of the presently simulated airplane can be graphically displayed in real time by combining flight quality standard evaluation indexes; the flight quality level can be directly given; the physical significance is clear; the training for the level evaluation habit of the test pilot is benefited.

The invention provides a method for dynamically detecting a program third-party library and carrying out security evaluation. The method specifically comprises the following steps: obtaining vulnerability lists of an authority information security vulnerability library and a custom information security vulnerability library; scanning the program third-party library according to the authority information security vulnerability library and the vulnerability list of the custom information security vulnerability library to obtain vulnerability information of the program third-party library; performing security assessment on the program third-party library according to the vulnerability information of the program third-party library, wherein the custom information security vulnerability librarycomprises a custom information security vulnerability library set for a non-open-source third-party library. The pertinence of the vulnerability list can be enhanced through the vulnerability list obtained by the custom information security vulnerability library; meanwhile, an interface can be set at will in the vulnerability list of the custom information security vulnerability library, so thatthe method is combined with user behaviors, convenient to expand, good in expansibility and high in flexibility; and the detection efficiency of the third-party library security evaluation based on the file system software review is improved.

The invention discloses a student online class learning state evaluation method based on facial recognition. The method comprises the steps of obtaining a facial image of a student, a student questionanswering situation and student information; obtaining a question answering result of the student according to the comparison condition of the question answering condition of the student and a reference answer; standardizing the acquired face image into consistent picture information, and inputting the picture information into a trained micro-expression recognition convolutional neural network model to obtain an online lesson listening comprehension degree state of the student; obtaining the concentration degree of the student according to the comparison condition of the ratio of the face length and width of the student to a preset standard face length-width ratio and the comparison condition of the eye opening height of the student to a preset standard face eye opening height; and takingthe question answering result of the student, the online lesson listening comprehension degree state and the concentration degree as the online lesson learning state evaluation result of the student.According to the method, the recognition efficiency can be improved, and the evaluation effect is improved.

The invention relates to a preparation method and application of a 20 (R)-ginsenoside Rg3/soya bean lecithin/cholesterol/folic acid lipidosome medicine and belongs to the field of medicine health care products.By optimizing the ratio of soya bean lecithin, cholesterol and an encapsulation medicine to obtain 20 (R)-ginsenoside Rg3 lipidosome, the grain diameters of the 20 (R)-ginsenoside Rg3 lipidosome are reduced, and meanwhile the stability of the lipidosome medicine is enhanced; folic acid is used for conducting target modification on the encapsulated 20 (R)-ginsenoside Rg3 medicine lipidosome, and then target medicine delivery of cancer cells is achieved.Experimental results show that the encapsulation rate of the 20 (R)-ginsenoside Rg3 lipidosome can be up to 90% or above.The preparation method of the composite lipidosome medicine is simple and efficient.The prepared composite lipidosome is low in cytotoxicity, has the slow release feature and is capable of prolonging the curative effect, safe, efficient and high in targeting, good evaluating effects are obtained in physical representation and extracorporeal biological study, and a new approach is provided for research and development of anti-cancer medicines.

The invention discloses an opto-acoustic and ultrasonic dual-mode osteoporosis detection method and a detection device. The detection device is composed of two parts, namely a host machine and a probe, wherein the host machine comprises a laser device, a laser modulator, a collimating and coupling unit, a display module, an opto-acoustic mode changeover switch, an ultrasonic signal driver and a processor; the probe is composed of an acoustic emission focusing probe, a pre-amplifier, an ultrasonic transducer array and a transparent colloid; and the transparent colloid is attached on human skin. The device disclosed by the invention integrates opto-acoustic and ultrasonic advantages and solves the problem that an existing bone quality assessment DXA (dual X ray absorptiometry) cannot provide bone collagen information, while bone quality is determined by bone density and bone collagen, in which the bone density determines bone strength and the content of the bone collagen determines bone toughness; and a bone quality assessment capacity can be significantly improved by virtue of an opto-acoustic/ultrasonic imaging technology. The detection method and the detection device disclosed by the invention have the obvious advantages of being noninvasive, free from radiation, low in detection cost, accurate in assessment and the like.

The invention discloses a non-reference high-dynamic range image objective quality evaluation method. The method comprises the following steps: representing an image as third-order tensor, performingtensor decomposition on a distorted high-dynamic range image by using a Tucker decomposition algorithm in the tensor decomposition since the chromaticity information has important effect in the high-dynamic range image quality evaluation, thereby obtaining a first channel integrated with the brightness distortion and the chromaticity distortion as a first feature image; extracting distortion information on the first feature image, wherein the first feature image further comprises the distortion of the chromaticity channel in comparison with the way of extracting the distortion information onlyon the brightness channel, the data size is same as that of the brightness channel, and the additional data size cannot be increased; and combining a tensor domain sensing feature vector extracted from the first feature image with a support vector regressive training model to obtain an objective quality evaluation value of the distorted high-dynamic range image. Therefore, the objective quality evaluation of the non-reference high-dynamic range image is realized, the evaluation effect is obviously improved without using the reference image.

The invention provides a tone mapping image quality evaluation method based on gradient magnitude similarity, and belongs to the field of image processing. The method provided by the invention comprises the following steps: 1) calculating gradient maps of a high dynamic image and a tone mapping image converted by a tone mapping device; 2) carrying out dynamic range adjustment based on a human visual system on the gradient maps corresponding to the high dynamic image and the tone mapping image; 3) calculating the similarity of the gradient maps, and using a tone mapping amplitude as a weight; 4) calculating a natural value of the tone mapping image by means of contrast, brightness and detail description; and 5) merging the similarity value with the natural value. The method provided by the invention is reasonable in design, and can be used for effectively evaluating the quality of the tone mapping image by adopting the gradient magnitude similarity feature capable of effectively capturing image distortion and further referring to the natural features (the image must looknatural) of the image, and thus the evaluation performance is improved.

The invention provides a comprehensive evaluation method and device for an intelligent park energy utilization scheme. The method comprises the following steps that: according to the evaluation matrixof a pre-established evaluation index system, constructing a standard evaluation matrix; according to the standard evaluation matrix, using an entropy weight method to calculate the weight of each index; according to the weight of each index, calculating a comprehensive effect index; and analyzing and comparing relative proximity indexes in the comprehensive effect index of each scheme to comprehensively evaluate each scheme. The evaluation device comprises an index system creating unit, an evaluation matrix construction unit, a standard processing unit, an entropy weight calculation unit andan analysis and comparison unit. By use of the technical scheme provided by the method, the effect indexes of different properties and different dimensions are combined into the relative proximity index, and the relative proximity index is analyzed and compared to realize the evaluation of the comprehensive effects of different energy utilization schemes.

The invention provides a phase-based partial discharge generation device and a phase-based partial discharge generation method with adjustable discharge capacity and density. The phase-based partial discharge generation device comprises a main control unit, a PWM circuit, a filtering circuit, a pulse generation circuit, a phase shaping circuit, a key and a knob switch, wherein the pulse generationcircuit is used for generating a discharge pulse according to an instruction of the main control unit; the PWM circuit is used for generating a pulse voltage according to the instruction of the maincontrol unit, after the pulse voltage is stabilized and smoothed into a DC voltage by means of the filtering circuit, inputting the DC voltage into the pulse generation circuit to perform voltage regulation on the pulse generation circuit, and further outputting stable discharge voltage; and the phase shaping circuit is used for shaping a phase pulse output from the main control unit into a sinusoidal signal to serve as a phase output signal. The phase-based partial discharge generation device and the phase-based partial discharge generation method can realize verification and performance evaluation of a partial discharge monitoring system and equipment thereof, thereby guaranteeing the safe operation of the partial discharge monitoring system, finally guaranteeing the safe operation of cables, and guaranteeing the stability and reliability of power supply.

The invention discloses a steel pipeline online ultrasonic detection device and method. The device mainly comprises a water collecting tank, a driving device, a support rolling platform, a coupling device, an ultrasonic probe, a control system, an ultrasonic detector and a data collection system. The driving device drives the ultrasonic detection device to automatically move and detection along the surface of the detected pipeline through the control of the control system, thereby avoiding the problem of pipeline quality defect caused by the missing detection of the traditional non-continuously point-by-point measurement check method. The device is high in measurement precision, the measurement result is more accurately, the manpower labor is saved at the same time; the device is suitablefor the high-speed requirement of the online detection and can be extensively applied to the occasion needing the online detection.

The invention belongs to the technical field of sperm quantitative detection and analysis and particularly relates to a sperm DNA fragmentation number fluorescence detection method, a detection kit and application thereof. Based on defects of an existing SDF detection method and incomplete evaluation index DFI, the application aims at the current situation that an accurate quantitative evaluation for sperm DNA fragmentation degree, which can directly measure DNA damage, is convenient and rapid to realize and has simple requirements, is lacked at present, and aims to meet national requirements. According to the invention, the number of sperm DNA breaking sites is creatively used as an index for evaluating the integrity of sperm DNA and introduced into a PCR detection platform, and an enzyme-assisted sperm DNA breaking point number fluorescence detection kit and a detection method are developed.

The invention relates to a tongue picture image evaluation method, which comprises the following steps of: 1, acquiring tongue picture images of an object at different periods, and acquiring tongue picture image characteristic indexes; S; step 2, selecting a first tongue picture image of the object, and obtaining a first tongue picture image feature index point A; S; step 3, selecting a second tongue picture image of the object, and obtaining a second tongue picture image feature index point B; 4, establishing a tongue picture image feature index coordinate system, and selecting a reference tongue picture image feature index point C; S; step 5, connecting AB and AC, and acquiring a projection point D of B on the AC; S; step 6, evaluating the second tongue image according to a formula (shown in the specification), wherein the formula (shown in the specification) of the second tongue image is shown in the specification, and the formula (shown in the specification) of the second tongue image is shown in the specification; 7, judging whether S is greater than 0 or not, and if S is greater than 0, determining that the second tongue image is good; O; otherwise, t, the difference is determined;. The method has the advantages that the tongue image image is quantized through a formula, t, the change trend of the tongue image is reflected, and qualitative analysis is carried out on the tongue image; A; and the evaluation effect is objective, t, the practicability is high, and the application range is wide.

The invention discloses a biomedical health service evaluation system and method based on big data, and belongs to the technical field of biomedical treatment. The method comprises the following steps: Step 1, a health service platform analyzes health data uploaded by a user, judges a health service type requested by the user, and processes the health data uploaded by the user based on a judgment result; 2, the hospital terminal evaluates the deterioration degree of the health state of the user based on the transmitted health data, the health data are transmitted to a matched doctor terminal according to the evaluation result, and a doctor analyzes the health data at the doctor terminal; 3, the user side receives analysis results and suggestions fed back by the health service platform and regularly sends health feedback data to the health service evaluation terminal; and Step 4: the health service evaluation terminal performs comprehensive evaluation on the health service of the health service platform to ensure that the user knows the health service evaluation value of the health service platform in real time, so that the service experience of the user is improved.