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60 results about "Computer number format" patented technology

A computer number format is the internal representation of numeric values in digital computer and calculator hardware and software. Normally, numeric values are stored as groupings of bits, named for the number of bits that compose them. The encoding between numerical values and bit patterns is chosen for convenience of the operation of the computer; the bit format used by the computer's instruction set generally requires conversion for external use such as printing and display. Different types of processors may have different internal representations of numerical values. Different conventions are used for integer and real numbers. Most calculations are carried out with number formats that fit into a processor register, but some software systems allow representation of arbitrarily large numbers using multiple words of memory.

Robotic manipulation methods and systems for executing a domain-specific application in an instrumented environment with electronic minimanipulation libraries

Embodiments of the present disclosure are directed to the technical features relating to the ability of being able to create complex robotic humanoid movements, actions, and interactions with tools and the instrumented environment by automatically building movements for the humanoid; actions and behaviors of the humanoid based on a set of computer-encoded robotic movement and action primitives. The primitives are defined by motions / actions of articulated degrees of freedom that range in complexity from simple to complex, and which can be combined in any form in serial / parallel fashion. These motion-primitives are termed to be minimanipulations and each has a clear time-indexed command input-structure and output behavior / performance profile that is intended to achieve a certain function. Minimanipulations comprise a new way of creating a general programmable-by-example platform for humanoid robots. One or more minimanipulation electronic libraries provide a large suite of higher-level sensing-and-execution sequences that are common building blocks for complex tasks, such as cooking, taking care of the infirm, or other tasks performed by the next generation of humanoid robots.
Owner:MBL LTD

Method for integrally automatically generating pipeline designs

The invention provides a method for integrally automatically generating pipeline designs. The method includes steps of coding all commonly used pipeline elements by the aid of computers, forming foundation elements corresponding to codes and storing the foundation elements in databases; determining positions of starting points and ending points of pipelines and initial connected equipment and final connected equipment of the pipelines; collecting all elements connected with the pipelines and determining connection logical relations among the elements; determining the codes of the pipeline elements, retrieving the foundation elements of the corresponding elements from the databases according to the codes of the elements; retrieving data of the foundation elements of the first elements to form three-dimensional graphs and positioning the three-dimensional graphs at the starting points of the pipelines; computing coordinates of the positions of outlets of the first elements according to coordinates of the positions of the starting points of the pipelines and information of the data of the foundation elements of the first elements, utilizing the coordinates of the outlets as starting points of the second elements and connecting the second elements with the first elements according to set logical relations; sequentially retrieving all the elements in the pipelines from the databases, connecting the elements with one another according to coordinate positioning modes and the logical relations and forming three-dimensional models of the pipelines. The method has the advantages that the design efficiency can be greatly improved, an error rate can be reduced, and the design quality can be enhanced.
Owner:青岛鸿瑞电力工程咨询有限公司

Civil air defense emergency alert information message compression encoding method based on Beidou communication functions

The invention provides a civil air defense emergency alert information message compression encoding method based on Beidou communication functions. The method comprises: a civil air defense common word code library is built; words included in the code library are expressed with corresponding codes and the codes are encapsulated into subframes; characters not included in the code library are expressed with corresponding computer codes; the computer codes and the subframes are connected according to the order of the original message to form a message text, and a message header and a message tail are added to the message text to form a to-be-sent message; it is determined if the length of the to-be-sent message is greater than the maximum length, L bytes, permitted by the Beidou system, and if so, the to-be-sent message is segmented into a plurality of sub-messages, the length of which is no greater than L bytes, for sending, each sub-message having a message header and a message tail; otherwise, the to-be-sent message is sent directly. The method can reduce the length of the message and the sending times of a long message. The alert information notifying time is shortened, and the flow is saved. The method is simple and easy to implement with good reliability.
Owner:ELECTRONICS ENG COLLEGE PLA

Method of detecting surface shape of reflection element based on dual-frequency orthogonal grating projection

InactiveCN108426539ASolve the vertical direction separatelySolve the problem of fringe projection in the horizontal directionUsing optical meansDual frequencyPhase shifted
The invention provides a method of detecting the surface shape of a reflection element based on dual-frequency orthogonal grating projection. When the method is used to detect the reflection optical surface shape, basic devices comprise a CCD sensor, a to-be-detected element, an LCD display and a computer. The LCD display sequentially displays phase-shifting fringe patterns generated by computer coding, and the CCD receives and obtains the deformed fringe patterns reflected through the surface of the to-be-detected element. If a physical grating and a mechanical device are used for phase shifting in a measuring system, switching in a vertical grating and a horizontal grating needs to be carried out, and a corresponding phase shifting amount is further completed. In order to avoid grating switching in the two directions and realize the accurate phase shifting amount, a dual-frequency orthogonal grating phase shifting method based on least squares iteration is proposed, the dual-frequency orthogonal grating is applied to phase deflectometry, no grating needs to be replaced in a measuring process, an accurate phase shifting amount is not needed either, and phase distribution in two directions can be acquired at the same time. The method has the beneficial effects of being high in measuring result accuracy and applicable to high-accuracy three-dimensional surface shape measurement.
Owner:SICHUAN UNIV

Method for designing structurally controllable tight arrangement perfect vortex array mask

The invention discloses a method for designing a structurally controllable tight arrangement perfect vortex array mask. The method comprises the following steps: realizing continuation of a lattice original packet to the periphery by selecting coordinate values inside grid lattices so as to obtain a grid point coordinate matrix '; performing coordinate transformation on a coordinate transformationmatrix to obtain an arithmetic logic unit ', and performing logical operation to further obtain a structurally controllable grid array coordinate matrix; combining the structurally controllable gridarray coordinate matrix with a formula to obtain a complex transmittance function of the structurally controllable tight arrangement perfect vortex array mask; combining the complex transmittance function with a blazed grating phase factor to generate the mask. According to the method disclosed by the invention, by utilizing a computational holography principle, the structurally controllable tightarrangement perfect vortex array mask is obtained by virtue of a global hybrid phase mask technology and computer coding, so that the perfect vortex array mask is generated in a far field. The perfect vortex array has the characteristic of structural controllability, so the mask has important application value in the field of photo-communication.
Owner:HENAN UNIV OF SCI & TECH
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