137results about How to "Avoid debugging" patented technology

A trusted Java virtual machine provides a method for supporting tamper-resistant applications, ensuring the integrity of an application and its secrets such as keys. The trusted Java virtual machine verifies the integrity of the Java application, prevents debugging of the Java application, and allows the Java application to securely store and retrieve secrets. The trusted Java virtual machine environment comprises a TrustedDictionary, a TrustedBundle, an optional encryption method for encrypting and decrypting byte codes, and an underlying trusted Java virtual machine. The encrypted TrustedDictionary protects data while the TrustedBundle protects programming code, allowing applications to store secret data and secure counters. The application designer can restrict TrustedBundle access to only those interfaces that the application designer explicitly exports. The open source code may optionally be encrypted. Secrets required by the open source programming code of the application are encrypted in TrustedDictionary.

A data processing apparatus controls execution of debugging of a program performed by a debugger. The program includes a verification value used for judgment on whether to permit the debugging, and an access control list that shows whether to permit an access to each of parts constituting the program. The data processing apparatus acquires a debugger ID of the debugger from the debugger, and the verification value and the access control list included in the program. The data processing apparatus judges whether to permit the debugging, according to the result of comparison between the debugger ID and the verification value. The data processing apparatus permits an access to a part of the program to be debugged when the access control list shows that the access is permitted. The data processing apparatus does not permit the access to the part when the access control list shows that the access is not permitted.

A trusted Java virtual machine provides a method for supporting tamper-resistant applications, ensuring the integrity of an application and its secrets such as keys. The trusted Java virtual machine verifies the integrity of the Java application, prevents debugging of the Java application, and allows the Java application to securely store and retrieve secrets. The trusted Java virtual machine environment comprises a TrustedDictionary, a TrustedBundle, an optional encryption method for encrypting and decrypting byte codes, and an underlying trusted Java virtual machine. The encrypted TrustedDictionary protects data while the TrustedBundle protects programming code, allowing applications to store secret data and secure counters. The application designer can restrict TrustedBundle access to only those interfaces that the application designer explicitly exports. The open source code may optionally be encrypted. Secrets required by the open source programming code of the application are encrypted in TrustedDictionary.

A method, apparatus and program product include an Automatic Testing System for creating a test framework for testing operating system components. The Automatic Testing System resides on a server and includes a master driver which assists in creating test cases and scenarios. The Automatic Testing System issues commands to distribute execution to one or more remote client machines in a cluster through, for instance, an external remote shell program. Results of the command are retrieved, as though it was invoked on the machine directly. The logic and parameters needed to run the test scenarios are stored in a database accessible on the web, and test results are compiled and stored in the database to be sent to any designated test customer.

The invention discloses a method for evaluating the simulation imaging of a multi-mode SAR (Synthetic Aperture Radar), which mainly solves the problems of poor adaptability to different operating modes, complex experiment process and long experiment time in the prior art. The method comprises the following steps of: firstly, selecting an operating mode, inputting the parameters of a radar and the motion parameters of a carrier, loading a simulation scene and setting coordinates; secondly, setting a simulation radar echo signal according to a system environment; thirdly, imaging the radar echo signal to obtain a slant-range image; fourthly, geometrically correcting the slant-range image by using a three-dimensional geometric correction method to obtain a ground-range image; and finally, evaluating the quality of the ground-range image, and feeding back and correcting system parameters according the evaluation results so as to provide a feasible basis for a latter semi-physical simulation experiment. The method is applicable to three operating modes including a side looking mode, a slant looking mode and a scanning mode; only a plurality of parameters need to be input during operation, so that the experiment process can be simplified, the experiment time is saved, and the method can be used in a ground simulation experiment of SAR system design.

The invention discloses a laser sedimentation flexibility monitor which comprises more than one group of transmitting units and receiving units which are mutually matched, wherein each transmitting unit is a laser used for transmitting a laser beam to each receiving unit, each receiving unit comprises a linear array CCD (Charge Coupled Device) image acquisition unit, an analyzing and processing system and a power supply, the linear array CCD image acquisition unit is used for acquiring the laser beam and converting the laser beam into an electric signal to be transmitted to the analyzing and processing system, and the analyzing and processing system is used for processing the electric signal and then judging sedimentation deformation. The laser sedimentation flexibility monitor has the advantages of simple and compact structure, low cost, convenience for installation and debugging, stable and reliable work, and the like.

The invention discloses a debugging method for transformer substation equipment, and aims to solve the technical problem about reduction in the cost of the transformer substation equipment. The debugging method for the transformer substation equipment provided by the invention comprises the following steps of: establishing network communication between debugging equipment and the transformer substation equipment; sending the operating information of the transformer substation equipment to the debugging equipment by the transformer substation equipment; and transmitting a debugging command of the debugging equipment to the transformer substation equipment. Compared with the prior art, the transformer substation equipment is debugged and operated by adopting the network communication between the debugging equipment and the transformer substation equipment, and utilizing the display screen of the debugging equipment, so that the problem about debugging of the transformer substation equipment without the display screen is solved, the transformer substation equipment provided with the display screen does not need the display screen, and moreover, the cost of the transformer substation equipment is reduced.

The invention provides an optical-fiber type laser wavemeter that consists of a lens, fusing quartz optical fiber, an optical fiber coupler, a wavelength calibrating device, a grating monochromator, a wavelength precise measurement device, a linear CCD (Charge Coupled Device), a signal processor and a data wire. In the invention, the fusing quartz optical fiber is used for guiding light and the optical fiber coupler is used for splitting beam so that the spatial dimension and complexity of the wavemeter can be effectively reduced; and the calibration, coarse measurement and precise measurement of the wavelength are effectively combined so as to realize high-precision real-time measurement on the central wavelength and spectrum bandwidth of the laser. In the invention, the linear width and the central wavelength of the continuous laser and the pulse laser can be measured precisely and conveniently at high speed, and the optical-fiber type laser wavemeter is particularly used for measuring the laser wavelength of an excimer laser.

The invention discloses a monocular vision odometer method based on a recurrent convolution neural network. Firstly, the feature of image is extracted by depth convolution neural network, and then therelationship between image sequences is modeled by recurrent neural network. Simultaneous use of convolution-deconvolution network realizes the depth restoration of the image. The view synthesis error is obtained by matching the corresponding pixels between binocular image pairs. The left-right parallax consistency error is obtained by using the estimated depth map. The camera posture consistencyerror is obtained by using the left and right image sequences. The left-eye image sequence and the right-eye image sequence are matched with each other in time to obtain the sequence view synthesis error and minimize the error so as to obtain the optimal neural network model parameters. The invention tests a plurality of publicly released image data set sequences and verifies the effectiveness and superiority of the invention by comparing with the existing method.

The invention discloses a seal removing method, and belongs to the field of computer vision. The method comprises the steps of providing a first original image with a seal area; positioning and segmenting a seal area from the first original image, and extracting a first seal image; performing normalization processing and scaling processing on the extracted first seal image, wherein the scaling ratio is Sh and Sw; adopting CycleGAN as a seal removal network, removing the seal in the first seal image, and converting the first seal image into a first seal-free image; amplifying the first stamper-free image according to a ratio of 1 / Sh to 1 / Sw; and restoring the amplified first seal-free image to an original image, and outputting a first seal-free original image. The method disclosed by the invention is simple in training and high in generation efficiency, and the algorithm has great robustness and great application value.

An embodiment of the invention relates to the technical field of electronic equipment, and discloses a method for generating motor brake signals. The method for generating the motor brake signals includes steps of S1, controlling motors by the aid of different brake signals to obtain vibration allowance of the motors; S2, selecting brake signals with excellent performance from the various brake signals according to the vibration allowance of the motors. The vibration allowance of the motors corresponds to the various brake signals. The selected brake signals with the excellent performance areused as the motor brake signals. The performance of the corresponding brake signals is improved along with decrease of the vibration allowance of the motors. The invention further provides a device for generating the motor brake signals. The method and the device for generating the motor brake signals have the advantage that excellent brake effects can be realized by the motors.

The invention discloses a weight-coefficient-free double-virtual-voltage-vector predictive torque control method for a five-phase permanent magnet synchronous motor. The method comprises the steps: obtaining a current component under a two-phase static coordinate system and a voltage output at a moment k; carrying out delay compensation of a beat to obtain a current component under a two-phase static coordinate system at a k+1 moment; predicting a magnetic flux linkage and a torque at a k+1 moment; predicting a reference voltage vector required at a k+1 moment according to a magnetic flux linkage and torque dead-beat principle so as to select a first virtual voltage vector; and selecting a second virtual voltage vector according to a voltage error tracking principle, respectively calculating the action time of the two vectors, and synthesizing and outputting. On the basis that the original topological structure of the five-phase permanent magnet synchronous motor drive control system is not changed, harmonic waves in the five-phase motor are effectively restrained through the virtual voltage vectors, and the vectors are directly and quickly selected by adopting a dead-beat principle, so that the calculation burden of a traditional model prediction control method is greatly reduced.

The present invention discloses an internet site security system and method thereof. That is, the present invention comprises a browser execution module which executes the browser for providing a work-performing environment on the internet site according to the selection of a user; a memory protection module which, according to the execution of the browser, prevents an external module from accessing a memory area allocated to the browser and detects whether the memory area is tampered or not and whether the executing code is tampered or not; and a browser protection module which prevents another process or module from debugging the browser execution module according to the execution of the browser, and distinguishing several modules loaded to the memory area into acceptable modules and unacceptable modules, and thereby is able to provide a secure electronic transaction based environment against a malicious attack.

The invention discloses a light-duty gantry numerical control cutting machine which comprises a support, a transverse guide rail, a longitudinal guide rail, a main controller, a cutting head and a longitudinal transmission device, wherein the transverse guide rail and the longitudinal guide rail are perpendicular to each other, and the cutting head and the longitudinal transmission device are electrically connected with the main controller; the longitudinal guide rail comprises a driving-side double-tracked support bracket and a driven-side single rim support bracket which are relatively independent; and one end of the transverse guide rail is connected with the driving-side double-tracked support bracket by the longitudinal transmission device and a slider, and the other end of the transverse guide rail is arranged on the driven-side single rim support bracket by a support roller. Due to the double-tracked design and split structure as well as adjustable leg supporting of the longitudinal guide rail, the installation process of the cutting machine is simplified, the assembling, disassembling and debugging of the cutting machine are facilitated, and the application quality of the cutting machine is ensured; meanwhile, the cutting machine is high in machining accuracy and reliable in performance; and in addition, because the adopted aluminum support bracket is light in weight, the cutting machine is convenient to carry and flexible in transportation, therefore, the cutting machine can be widely applied to the processing and production of various cutting products.

Disclosed is a method for providing security of a program configured by a script language. The present invention provides security for a common intermediate language-based program, which provides security to a user DLL used for a platform supporting an application made of a common intermediate language code and a plug-in made of a native code. The method comprises: a particular function call step of calling a particular function within an application calling a particular module in a secure logic DLL including one or more modules while an application is loaded and executed in a main memory; a DDL request step of making a request for a secure logic DLL to a secure module plug-in for encrypting and storing the secure logic DLL; a DLL generation step of generating a secure logic DLL by decrypting the encrypted DLL in the secure module plug-in; a step of transmitting the secure log DLL to the particular function within the application; and a DLL module call step of calling the particular module included in the secure logic DLL.

The invention provides a multi-shaft vacuum manipulator shafting precision testing device which is simple in structure, convenient to assemble and disassemble and high in practicability. The multi-shaft vacuum manipulator shafting precision testing device comprises a test board, a manipulator direct drive unit, an angle encoder installation support, an angle encoder, a connection flange and a laser displacement testing device. The manipulator direct drive unit is installed on the test board through a flange. One end of the angle encoder installation support is fixed to the test board through a bolt, and the angle encoder is installed at the other end of the angle encoder installation support through a bolt. One end of the connection flange is connected with a shaft of the manipulator direct drive unit, and the other end of the connection flange is connected with a shaft of the angle encoder through a flexible coupler. The flexible coupler compensates axial movement and non-alignment errors between the shaft of the angle encoder and the connection flange to prevent the shaft of the angle encoder from being stressed too much. The laser displacement testing device is composed of two laser displacement sensors and a two-dimension movable platform, and can regulate the measurement range. The multi-shaft vacuum manipulator shafting precision testing device has the advantages that the measurement precision is high, testing is convenient, the application range is wide and the testing cost is low.

The invention discloses an integrated GNSS deformation monitoring device. The integrated GNSS deformation monitoring device comprises an observation pillar, a GNSS antenna (11) and a GNSS receiver (6), wherein the observation pillar comprises an observation cylinder body and an observation base (1), and an integrated observation structure is arranged on the top of the observation cylinder body; and the integrated observation structure comprises an installation disc (7) and an antenna cover (10) which together form hemispherical installation space, the GNSS antenna (11) is a disc-shaped activeantenna which is arranged in the right middle of the installation space, a GNSS antenna installation support (9) used for fixing the GNSS antenna (11) is arranged between the GNSS antenna (11) and theinstallation disc (7), the GNSS receiver (6) used for receiving signals from the GNSS antenna (11) is arranged inside the observation cylinder body, and holders which can rotate around the observation cylinder body are arranged on the outer side of the observation cylinder body and are fixedly provided with a rainproof case (5) and a solar cell panel (2). The integrated GNSS deformation monitoring device makes rapid installation and debugging possible, so that installation time and debugging time of the monitoring device are greatly saved.

The invention provides a three-dimensional packaging terahertz radiation detector, which comprises a medium-extending hemispherical lens, a terahertz wave signal processing unit, an LTCC substrate, and a first intermediate frequency signal processing unit, wherein the terahertz wave signal processing unit comprises a gallium arsenide antenna and a gallium arsenide harmonic mixer; and the first intermediate frequency signal processing unit comprises an TCC substrate-based radio frequency passive balun receiving network and a first intermediate frequency signal processing circuit. Weak terahertz electromagnetic signals of atmospheric radiation and sub-millimeter wave local oscillator signals of space feed-in are converged on the gallium arsenide antenna via the lens, a first down-conversion processing is carried out via the gallium arsenide harmonic mixer, intermediate frequency differential signals are generated, the intermediate frequency differential signals are synthesized to intermediate frequency unbalanced signals via the balun receiving network, and the first intermediate frequency signal processing circuit converts the inputted intermediate frequency unbalanced signals into baseband signals processed by an A / D converter. The three-dimensional packaging terahertz radiation detector has the advantages of ultra wide frequency domain, three-dimensional packaging and multi-channel power synthesis.

The invention discloses a device for performing double curvature sheet bending and forming by utilizing an electronic universal testing machine and relates to a sheet bending and forming device for solving the problem that the curvature precision requirement of a forming part is difficultly guaranteed in a conventional double curvature part forming technology. A female die is arranged in a female die straight slot; a double curvature arc groove is formed in an upper end face of the female die; the double curvature arc groove is provided with a transverse arc groove along the transverse direction and is also provided with a longitudinal arc groove along the longitudinal direction; inclined holes are symmetrically formed in a side face of the female die which corresponds to the longitudinal arc groove; a double curvature arc surface is arranged on a lower end face of a male die; the double curvature arc surface is provided with a transverse arc surface with the same radian as that of the transverse arc groove along the transverse direction and is also provided with a longitudinal arc surface with the same radian as that of the longitudinal arc groove along the longitudinal direction; an upper nut is in threaded connection with an upper connecting bolt; a lower nut is in threaded connection with a lower connecting bolt; and the double curvature arc surface of the male die is arranged in the double curvature arc groove. The device is used for double curvature metal sheet bending and forming.

The invention discloses an anti-debugging method; in the method, a process to be anti-debugged is set to debugging state; a sub-process is established in the process to be anti-debugged; the established sub-process is added to the process to be anti-debugged; the sub-process receives a feedback message sent by the process to be anti-debugged, and the feedback message is processed. The invention also discloses an anti-debugging system, comprising: a setting module for setting a process to be anti-debugged to debugging state; an establishing module for establishing a sub-process in the process to be anti-debugged; a debugging module for adding the established sub-process to the process to be anti-debugged; a processing module for receiving a message of the sub-process to wait for the process to be anti-debugged, and processing the message. By establishing a sub-process for debugging a process of an application, chances for the application to be attacked by a hacker are avoided, and anti-debugging of the application is achieved.

The invention discloses a debugging system with an analog audio output device, and the system is characterized by comprising a terminal, a state switching module and a control module, wherein the terminal is used for connecting the analog audio output port of the device to a peripheral audio receiving apparatus or connecting an upper computer to the UART (Universal Asynchronous Receiver / Transmitter) port of a CPU (Central Processing Unit) of the device; the state switching module is used for controlling the terminal to be connected with the analog audio output port of the device or controlling the terminal to be connected with the UART port of the CPU of the device; and the control module is used for controlling the state switching module to switch, so as to connect the terminal with the analog audio output port of the device or connect the terminal with the UART port of the CPU of the device. For the system, a process of opening a device shell to perform wiring or modify internal circuits is not needed, and circuit debugging for function reuse can be executed through state switching just by the existing external interface, so that the troubles in software debugging and detaching the device shell for debugging the device by an after-sale serviceman are solved, and the work load is greatly reduced.

The embodiment of the invention discloses a terminal camera parameter calibration method and device, equipment and a storage medium. The terminal camera parameter calibration method comprises the steps: updating a current parameter dynamic library of a camera to a terminal, and controlling the terminal to calibrate the camera according to the current parameter dynamic library; controlling the terminal to call the calibrated camera to shoot a target image, and obtaining the target image; analyzing the image quality of the target image, and judging whether the target image meets a preset standard or not according to an analysis result; and if not, modifying the parameters in the current parameter dynamic library, taking the modified parameter dynamic library as the current parameter dynamiclibrary, and entering the step of updating the current parameter dynamic library of the camera to the terminal again until the target image meets the preset standard. In the embodiment of the invention, the camera parameter calibration process is automatically carried out, manual debugging participation is avoided, and the camera parameter calibration efficiency is improved.

The invention relates to a CAN (Controller Area Network) bus controller parallel test method, which belongs to the technical field of electronic component detection, and solves the problems that an existing CAN bus controller test cannot realize real working state consideration, debugging and writing test of a PATTERN (Public Advanced Telecommunication Terrestrial Radio Network) is tedious and difficult. The method comprises the steps of acquiring a current test mode; if the test mode belongs to the CAN bus system test mode, connecting a first channel, and using a test machine for testing theCAN bus controller in a corresponding working mode; and if the test mode belongs to the test mode of the single-chip CAN bus controller, connecting a second channel, and testing the CAN bus controllerin a corresponding working mode by using a test machine. The CAN bus system test mode comprises at least one test mode of a message transceiving test, a message filtering test and a bus arbitration test. The single-chip CAN bus controller test mode comprises at least one test mode of a sending error test, a receiving error test and a node closing test.

The invention provides a welding fixture for metal plates. Clamping efficiency of the welding fixture is high, and machining efficiency of metal plates can be improved. The welding fixture comprises a bottom plate, and a fixing block is arranged on the bottom plate. The welding fixture is characterized in that a step face is arranged on the upper portion of the fixing block, a limiting plate is perpendicularly fixed at the front end of the step face, two push-pull type toggle clamps are arranged on the bottom plate and located on one side of the step face, the two toggle clamps are arranged side by side and fixed on the bottom plate through a support, and a pressing piece is arranged at the front end of a push rod and can elastically extend and retract in the axis direction of the push rod.

The invention discloses a prism structure of an optical machine. The prism structure comprises an optical machine body and a prism fixed to the optical machine body, the optical machine body is provided with a first bearing surface, a second bearing surface and a limiting surface, the first bearing surface is attached to a first side surface of the prism, the second bearing surface is attached to a second side surface of the prism, and a supporting and tightening device is arranged between the limiting surface and a third surface of the prism. According to the prism structure of the optical machine, the first side surface of the prism is limited through the first bearing surface, the second side surface of the prism is limited through the second bearing surface, the third side surface of the prism and the limiting surface are supported and tightened through the supporting and tightening device to realize fixing, the position precision of the prism is guaranteed mainly through the machining precision of the first bearing surface and the second bearing surface, and the problems that in dispensing and debugging processes, focus deviation during imaging of the prism easily occurs and the debugging and assembling processes are complicated are avoided.

The invention discloses a waveguide isolated duplex integrated component which comprises a bottom plate (10) and a cover plate (11) which is arranged on the bottom plate (10), wherein a silver-plated cavity (1), at least two isolators (3) and at least two duplexers (2) are arranged on the bottom plate (10); the isolators (3) and the duplexers (2) are integrated into a whole; an input port (7) is arranged at the central part of the integrated isolators (3) and duplexers (2); at least two output ports are arranged at two ends of the integrated isolators (3) and duplexers (2); and one or more adjusting screws (5) are arranged on the cover plate (11). The waveguide isolated duplex integrated component has the beneficial effects that the duplexers and the isolators are integrated into a whole, the optimal values of isolation degree, insertion loss and standing-wave ratio are obtained within the shortest time by adjusting the adjusting screws; and a circuit board is directly mounted on a shell of the silver-plated cavity of the duplexers, and heat dissipation is carried out by virtue of the shell, so that the debugging work is completed with high quality and high index.

The invention discloses a sensor, a method for the sensor and an engineering machine containing the sensor. The sensor comprises an acceleration detection device (10) used for detecting acceleration signals of an object to be detected, a signal conversion device (20) used for conducting primary integration and secondary integration on the acceleration signals to obtain speed signals and displacement signals and an output device (30) used for outputting one or more of the acceleration signals, the speed signals and the displacement signals. By means of the technical scheme, measurement of acceleration, speed and displacement can be achieved simultaneously in one sensor, assembly, disassembly and debugging of different sensors of different sensors in measurement of different signal quantities in the prior art are avoided, and measurement time is saved.

The invention provides a cooling tower system based on a centerless network, a cooling tower controller and a control method of the cooling tower system. The method includes the steps that one cooling tower controller is arranged on each cooling tower, and all the cooling tower controllers are connected to form the centerless network; when it is judged that a certain trigger condition is met, the cooling tower controllers initiate adjusting tasks; the cooling tower controllers start to interact with the adjacent cooling tower controllers; and after interaction is conducted multiple times, the whole system confirms optimized operation parameters of all the cooling towers, and the corresponding cooling towers are controlled to be in the corresponding operation states according to the optimized operation parameters. The method is based on the centerless network, all the cooling towers connected in parallel finish target control equally and autonomously in a coordinated manner, the optimization control scheme is worked out in a distributed manner, the workload generated during manual configuration and debugging of a traditional control manner is lowered, and the control equipment is plugged and used immediately; and the control efficiency, robustness and expandability of the system are improved.

The invention discloses a multi-unmanned aerial vehicle multi-task different-domain navigation communication system based on the Internet of Things, and the system comprises an Internet of Things cloud platform which is used for managing each unmanned aerial vehicle and issuing tasks, the unmanned aerial vehicles are distributed in a plurality of navigation domains, and the unmanned aerial vehiclein each navigation domain is provided with an Internet of Things signal transceiver based on a wide area network. The Internet of Things cloud platform supports multi-machine autonomous navigation communication, and utilizes the Internet technology, the redundancy processing technology and the Internet of Things technology to carry out protocol definition, data flow distributed processing and data flow reliability processes. The internet sends the task data flow to be issued on the cloud platform to each redundancy flight control controller through a cloud platform protocol, and redundancy information channels are integrated into an internet of things communication NB-IoT technology, the plurality of unmanned aerial vehicles to execute a plurality of different operation tasks and enablingthe unmanned aerial vehicles to communicate with one another, so that tedious debugging depending on manual and multi-device information transfer is solved, and communication is unguaranteed and managed.

The invention discloses a cross metal wire elastic modulus measuring device and method. The cross metal wire elastic modulus measuring device comprises a base, a base level gauge, a base foot screw, a crossbar, a leveling weight, a crossbar slide groove, a crossbar level gauge, a vertical bar, a vertical bar scale plate, a vertical bar slide groove, a slide screw, a laser transmitter, an arc receiving screen and a display device. Elongation of a metal wire is converted to inclination of the crossbar by utilizing the crossbar and the vertical bar, which are hinged in a cross shape, a small inclination angle of the crossbar is converted to observable arc length by virtue of the laser transmitter, the arc receiving screen and the display device, and the elastic modulus of the metal wire is obtained by establishing a relation among the arc length, inclination angle and elongation of the metal wire. The measurement principle is clear, the stretching process of the metal wire can be clearly demonstrated, the debugging of a complex optical system is avoided, the length measurement error of the metal wire is reduced by virtue of the precise leveling of the leveling weight, the measurement precision is high, the stability is good, and the cross metal wire elastic modulus measuring device and method are an experimental device and method suitable for physical teaching and scientific research.