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44 results about "Interaction strength" patented technology

Interaction strength is a characteristic of ecological systems, most often used in studies of stability and robustness. There are about as many measures of interaction strength as there are studies on interaction strength and robustness, and they give different results.

Broadband optical via

A broadband optical via provides a low loss interconnection between waveguides in two vertically adjacent planar waveguiding layers. Two waveguides, one in each planar layer, evanescently interact over an interaction length, and substantially all of the power on one waveguide is transferred to the second waveguide. The relative detuning between waveguides is varied along the interaction region by tapering the width of one or both guides along the direction of propagation. The interaction strength is also varied by varying the physical separation between the two waveguides such that the interaction approaches zero near the two ends of the interaction length. The performance of the broadband optical via is fabrication tolerant, polarization tolerant, wavelength tolerant, and dimensionally tolerant.
Owner:INFINERA CORP

Broadband optical via

A broadband optical via provides a low loss interconnection between waveguides in two vertically adjacent planar waveguiding layers. Two waveguides, one in each planar layer, evanescently interact over an interaction length, and substantially all of the power on one waveguide is transferred to the second waveguide. The relative detuning between waveguides is varied along the interaction region by tapering the width of one or both guides along the direction of propagation. The interaction strength is also varied by varying the physical separation between the two waveguides such that the interaction approaches zero near the two ends of the interaction length. The performance of the broadband optical via is fabrication tolerant, polarization tolerant, wavelength tolerant, and dimensionally tolerant.
Owner:INFINERA CORP

Method and system for determining user relationship strength in social network

InactiveCN105069145AFine comparisonConducive to screeningData processing applicationsWeb data indexingSocial webObservable variable
The present invention provides a method for determining user relationship strength in a social network. The method comprises: acquiring data associated with user geographic information and user interaction from a mobile social network, extracting characteristics characterizing user geographic preference similarity, user mobility similarity and user interaction strength from the data, taking each characteristic as an observable variable, taking the user geographic preference similarity, the user mobility similarity and the user interaction strength as non-observable variables, and determining the user relationship strength by use of a structural equation model. The method gives full consideration to the relationship among factors that influence the user relationship strength in an actual social network, so that the user relationship strength can be weighed more effectively in a more detailed manner.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

Geographic space abnormal accumulation area scanning statistical method based on interaction force

The invention discloses a geographic space abnormal accumulation area scanning statistical method based on interaction force. The method comprises the following steps: based on a selected space adjacency type, establishing a spatial neighbor relation matrix; using a spatial interaction model to measure interaction strength between adjacent objects; based on a deep scan method or a breadth scan method, continuously selecting the adjacent objects whose interaction strength is maximum, and adding the adjacent objects into a candidate accumulation area, until the value of likelihood ratio LR/log-likelihood ratio LLR corresponding to high value anomaly accumulation no longer increases or the value of likelihood ratio LR/log-likelihood ratio LLR corresponding to low value anomaly accumulation no longer reduces or the candidate accumulation area reaches maximum specified dimensions, stopping to add the adding the adjacent objects into the candidate accumulation area; performing Monte Carlo simulation on the plurality of formed candidate accumulation areas, so as to detect an abnormal accumulation area which passes non-stochastic hypothesis testing. The method has stronger detection ability on abnormal accumulation areas which are in irregular shapes, and can easily detect the abnormal accumulation area which includes weak links, and non-abnormal geographic objects would not be included in the detected abnormal accumulation area.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Online identification method for node voltage interaction factors based on noise-like

The invention relates to an online identification method for node voltage interaction factors based on electric power system voltage noise-like signals, and belongs to the field of stability analysis and assessment of electric power systems. The method includes the steps: firstly, making application conditions and applicable objects of the voltage interaction factors clear; linearly simplifying systems and building a multi-send direct-current system node voltage sensitivity identification model; acquiring node voltage signals in the electric power systems, and performing filtering, amplitude limiting, detrending and the like for the signals to obtain node voltage noise-like signals; performing identification by the aid of a multiple linear gradual regression method to obtain interaction factors between direct-current circuit conversion bus voltages. The voltage interaction factors are mainly used for measuring interaction between direct-current systems among multiple direct-current systems based on a steady state process or a temporary steady state process. The method can be used for monitoring the interaction strength between the systems, a criterion is provided for local stability of the systems, the stable risk prediction efficiency of the electric power systems is effectively improved, and spot testing cost is reduced.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY +1

Nanopore device for drug-like molecule screening or lead optimization to a targeted protein

A nanosensor for detecting molecule characteristics includes a membrane having an opening configured to permit a charged molecule to pass but to block a protein molecule attached to a ligand connecting to the charged molecule, the opening being filled with an electrolytic solution. An electric field generator is configured to generate an electric field relative to the opening to drive the charged molecule through the opening. A sensor circuit is coupled to the electric field generator to sense current changes due to charged molecules passing into the opening. The current changes are employed to trigger a bias field increase to cause separation between the ligand and the protein to infer an interaction strength.
Owner:GLOBALFOUNDRIES INC

User call behavior model generating method applicable to spam voice filtering

The invention discloses a user call behavior model generating method applicable to spam voice filtering. The user call behavior model generating method comprises the following steps that: call interactive behavior characteristics (CI) are established and are used for describing related behavior characteristics of specified users which are adopted as a calling user and a called user, wherein the call interactive behavior characteristics (CI) further include incoming call / outgoing call ratios, call interactive recording characteristic value and interaction strength, and distribution of the incoming call / outgoing call ratios and the call interactive recording characteristic value and interaction strength; call frequency and distribution thereof FCD are established and are used for describing the characteristics of call time in call records, wherein the characteristics of the call time in call records include call frequency values and call frequency value time distribution in a specified statistical duration; and call lasting time and distribution thereof DCT are established and are used for describing the characteristics of lasting time in the call records, wherein the characteristics of the lasting time in the call records include call answering refusal proportions, call average lasting time and histogram distribution of the call lasting time. With the user call behavior model generating method applicable to the spam voice filtering of the invention adopted, a technical problem that a camouflaged call behavior of a spam voice transmitter is hard to find can be solved.
Owner:HUAZHONG UNIV OF SCI & TECH

Detector Responsive to Interactions of Varying Intensity

A detector comprising control circuitry and a sensor, responsive to interactions of varying intensities, comprising three layers. The first layer includes a first set of mutually connected electrically conducting elements and a second set of mutually connected electrically conducting elements. The third layer comprises an electrically conducting plane, and the second layer extends between the first and third layers. The electrical conductivity of the second layer varies in accordance with variations in the intensity of the interactions. In a first mode, the control circuit applies voltage between the first and third layers to generate a first current through the second layer, and provides a measurement of the first current. In a second mode, the control circuit applies voltage between the first and second sets of electrically conducting elements to generate a second current through the second layer, and provides a measurement of the second current.
Owner:PERATECH HOLDCO

Preparation of supramolecular polymers containing sequence-selective hydrogen bonding subunits in their backbone which form double helices

The present invention relates to supramolecular polymers containing sequence-selective hydrogen bonding subunits in their backbone which form double helices. The invention allows for tuning of the numbers and sequences of donor / acceptor units incorporated in any one crosslinking hydrogen bonding subunit and hence tuning of the interaction strength not only through the amount of crosslinking material incorporated but also through modulation of the strength of the crosslinking interactions. It also allows for the incorporation of more than one type of crosslinking agent in the material allowing for multiple strengths of crosslinking which are each tunable with regard to disruption from solvent, temperature and stress. Hydrogen bond strength between oligomeric chains can be tailored through modification of the numbers and sequences of the donors / acceptors in the oligomers. The oligomers are sequence-specific and will generally only hydrogen-bond to oligomeric chains which are composed of a complementary set of donors / acceptors. The hydrogen bonded motif formed by the interacting oligomers is helical, imparting both chirality and intertwined topology to these interaction points. Because the polymer end units react with their complements through hydrogen bonding, the telechelic polymer(s) incorporating this technology are reversibly able to be processed as the bonds are first broken and then reformed. This has applications in a number of fields such as inkjet inks, adhesives, printing plates and microphase patterning of polymer surfaces.
Owner:UNIV OF WESTERN ONTARIO

Immobilized liposome capillary monolithic column preparation method and application

The invention relates to an immobilized liposome capillary monolithic column preparation method and application thereof. On the surface of a silica gel matrix of a capillary monolithic column, liposome is immobilized by a physical coating method. The immobilized liposome capillary monolithic column preparation method disclosed by the invention has the advantages of good repeatability and large liposome immobilizing amount; the prepared monolithic column has the advantages of stable performance and longer service life. The immobilized liposome capillary monolithic column shows excellent separation performance on neutral compound of naphthol, benzene series, steroid medicine, carbamate and the like, can achieve base line separation on three proteins of lysozyme, trypsin, bovine serum albuminand obviously improves the adsorption phenomenon of the proteins on the capillary silica gel monolithic column; furthermore, retention factors of all the substances on the immobilized liposome capillary monolithic column are obviously enlarged, and retention behavior difference is more obvious. Therefore, an interaction strength effect between representation substances of the immobilized liposomecapillary monolithic column and a biological membrane is better.
Owner:WUHAN UNIV

Thin-walled column symmetrical microcavity trace liquid phase concentration sensor

The invention discloses a thin-walled column symmetrical microcavity trace liquid phase concentration sensor. The liquid phase concentration sensor comprises a wavelength turnable narrow band light source, micro-nano optical fiber, a thin-walled column symmetrical microcavity, a photoelectric detector and a feedback control unit; the wavelength turnable narrow band light source, the micro-nano optical fiber and the photoelectric detector are in molten coupling connection through the optical fiber; the feedback control unit is electrically connected with the photoelectric detector and the wavelength turnable narrow band light source separately; and the micro-nano optical fiber maintains different surface vertical to the central axis of the thin-walled column symmetrical microcavity. The thin-walled column symmetrical microcavity serving as a sensing unit and a trace liquid phase channel, an echo wall type resonance effect and a microfluidic technology are combined, the interaction strength and time of a light field and a liquid phase sample are enhanced, and high-sensitivity and rapid detection of liquid phase concentration is realized.
Owner:NANJING UNIV OF POSTS & TELECOMM

Light diffusion plate and preparation method thereof

The embodiment of the invention provides a light diffusion plate and a preparation method thereof, and relates to the field of illumination material technology. The light diffusion plate comprises transparent base materials and light scattering particles, the light scattering particles are dispersed in the transparent base materials, and surfaces of the light scattering particles are connected with molecular chains, wherein the molecular chains connected with the light scattering particles are the same as molecular chains of the transparent base materials. When the light scattering particles and the transparent base materials are blended, the molecular chains at the surfaces of the light scattering particles can be fully extended and blended into the transparent base materials to increasethe mutual effect of the interfaces. Because the ratio of the density and the length of the molecular chains at the surfaces of the light scattering particles is lower than the ratio of the density and the length of the molecular chains in the transparent base materials, the intensity of the mutual effect of the interfaces is lower than the intensity of the base materials. When an external force pressed on the materials reaches a certain value, the interface active force can be unsticked in advance, so that a lot of energy is absorbed, and the impact intensity of the light diffusion plate is improved.
Owner:SHENZHEN UNIV

Mechanical wave fluctuation experiment and teaching demonstrator

A mechanical wave fluctuation experiment and teaching demonstrator comprises a scale plate, a digital display, a dotting timer, a circuit board, a fixed part, a number reading hanging rod, an elasticstrip, a support bench, a slide bar, a sliding ball, an arc support, a positioning groove, a similarly T shaped transparent number reading identification groove box, a power switch, a Zener diode, first and second triodes, first to third resistors, a variable capacitor and a variable resistor. An RC oscillator and the Zener diode form an adjustable low frequency oscillation circuit, output of theadjustable low frequency oscillation circuit supplies power to the timing dotting timer, the digital display displays concrete frequency in real time, and the tail end of a vibration sheet of the dotting timer is connected with the sliding ball which sleeves the slide bar via the elastic strip. The mechanical wave fluctuation experiment and teaching demonstrator can demonstrate fluctuation characteristic and standing wave formation condition, measure the wavelength and wave velocity quantitatively, and discuss influence of the interactive intensity between an elastic medium property and mass unit on the wave velocity.
Owner:NANJING POLYTECHNIC INSITUTE
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