Junling
Junling Hu, Guangdong Province CN
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20080201749 | Method For Authentication On A Subscriber Terminal - An embodiment of the present invention provides a method for performing authentication on a subscriber terminal in a digital television (DTV) network which comprises at least one subscriber terminal and a head end for sending encrypted DTV program data to each subscriber terminal, the subscriber terminal comprising a set top box (STB) and a subscriber identification module for storing key information for decrypting the DTV program data, the method including: reading, by the STB, the life cycle of the key from the subscriber identification module when the STB starts up; initiating, by the STB, an authentication request to the head end when the life cycle expires; performing, by the head end, authentication after receiving the authentication request, and sending a response message to the STB; receiving, by the STB, the response message, and updating the key information when the response message is a response message which indicates successful authentication. | 08-21-2008 |
Junling Jia, Washington, DC US
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20160097088 | Methods of Genome Sequencing and Epigenetic Analysis - Novel methods of ChIP-seq are disclosed herein. These methods of ChIP-seq employ carrier DNA to prevent loss of DNA samples. The greater DNA yields achieved by this invention permit ChIP-seq of a small number of cells, permitting epigenetic analysis of primary cells of limited quantity. | 04-07-2016 |
Junling Lu, Hefei CN
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20140094635 | METAL CATALYST COMPOSITION - Embodiments include metal catalyst compositions and methods of forming metal catalyst compositions. A metal catalyst composition can be formed by (a) contacting a supported metal catalyst surface with a ligand-containing alumina precursor for a predetermined contact time to form an intermediate layer having a plurality of aluminum moieties that chemically bond to the supported metal catalyst surface, optionally, contacting the intermediate layer of aluminum moieties with an inert gas for a predetermined intermediate stripping time to remove unreacted ligand-containing alumina precursors, (b) reacting the aluminum moieties with an oxidation reagent for a predetermined reaction time to convert at least a portion of the ligands to hydroxyl groups thereby forming a layer of the alumina over-coat on the supported metal catalyst surface or a previously formed layer of the alumina over-coat, (c) contacting the layer of the alumina over-coat formed in step (b) with an inert gas for a predetermined stripping time to remove unreacted oxidation reagents, replicating the sequential steps (a-c) to form an additional layer of the alumina over-coat, and (d) activating the alumina over-coat, after forming a final layer of the alumina over-coat, to form a plurality of pores therein. | 04-03-2014 |
Junling Zhang, Shenzhen CN
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20140362953 | Method and system for detecting FSS by peak threshold, and receiver - A method and system for detecting FSS by a peak threshold, and a receiver include: a peak search module configured to perform peak search on a set of inputted CIR average values to obtain a set of CIR peaks; a threshold generation module configured to search for a maximum value from the obtained set of CIR peaks, obtain an FSS search threshold according to the maximum value and a preset threshold, and provide the FSS search threshold to an FSS detection module; and the FSS detection module configured to utilize the FSS search threshold to detect an FFT windowing position of a receiving antenna. The technical solutions according to the disclosure improve the protection capability from exceptions for FSS detection while reducing the detection complexity of FSS. | 12-11-2014 |
Junling Zhang, Shenzhen City CN
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20120219050 | METHOD AND APPARATUS FOR NOISE ESTIMATION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYSTEM - The present invention discloses a method and apparatus for performing noise estimation in an OFDM system. The method comprises: a channel estimation coefficient generation module generating a channel estimation coefficient w | 08-30-2012 |
Junling Zhang, Beijing CN
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20090124834 | COMPOSITE MATERIAL COMPOSED OF NANOPARTICLES OF TRANSITION METAL AND MAGNETIC FERRIC OXIDE, A METHODE OF PREPARING THE SAME, AND USES OF THE SAME - A composite material composed of nanoparticles of transition metal(s) and magnetic ferric oxide, a method of preparing the same, and uses of the same are provided. The composite material is substantially composed of nanoparticles of transition metal(s) or alloy thereof and nanoparticles of magnetic ferric oxide, the size of nanoparticles of transition metal(s) or alloy thereof is in the range of 0.7 to 5 nm, the size of nanoparticles of magnetic ferric oxide is in the range of 5 to 50 nm, and the amount of transition metal(s) or alloy thereof is in the range of 0.1 to 30 wt %, based on the total weight of composite material, the magnetic ferric oxide is gamma-Fe | 05-14-2009 |
Junling Zhang, Shanghai CN
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20100014602 | DETERMINING SYMBOL SYNCHRONIZATION INFORMATION FOR OFDM SIGNALS - The invention provides a method of detecting symbol synchronization information for an OFDM signal, the OFDM signal comprising at least one OFDM symbol and corresponding GI, the method comprising steps of: generating a correlated signal based on each OFDM symbol and its corresponding GI; processing the correlated signal to generate a first conditional signal comprising at least two local peaks; converting the first conditional signal into a second conditional signal comprising a global peak; and detecting the global peak to obtain the symbol synchronization information. The converting step further comprises delaying the first conditional signal by a predefined delay, and generating the second conditional signal by subtracting the delayed first conditional signal from the first conditional signal. With the method provided in the invention, detection of symbol synchronization information for an OFDM signal based on GI may be provided with improved precision, without being limited by the channel spread for the propagation channel. | 01-21-2010 |
20110058471 | OFDEM SYSTEM AND NYQUIST PULSE SHAPING METHOD WITH HIGH SPECTRUM EFFICIENCY - A receiver system to receive an orthogonal frequency division multiplexing (OFDM) symbol of a certain spectrum efficiency. The receiver system includes a guard interval remover, a memory device, and a pulse shaper. The guard interval remover removes a guard interval from the OFDM symbol received by the receiver. The memory device stores a pulse shaping algorithm. The pulse shaper performs the pulse shaping algorithm to substantially maintain the certain spectrum efficiency in conjunction with the utilization of a Nyquist pulse shape with an excess bandwidth ≦1.0. | 03-10-2011 |
Junling Zhou, Beijing CN
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20090318643 | Catalyst Component for Ethylene Polymerization, Preparation Thereof and Catalyst Comprising the Same - The present invention relates to a catalyst component for ethylene polymerization, which comprises a reaction product of a magnesium complex, at least one titanium compound, at least one alcohol compound, at least one silicon compound, and optionally an organic aluminum compound. The silicon compound is an organic silicon compound having a general formula R | 12-24-2009 |
20110046325 | CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION, PREPARATION THEREOF, AND A CATALYST COMPRISING THE CATALYST COMPONENT - A catalyst component for ethylene polymerization, comprising an organic silicon compound of the formula (I), below wherein R | 02-24-2011 |
20130150540 | CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN AND PREPARATION METHOD THEREOF - The present invention relates to a catalyst component for olefin polymerization, which comprises the reaction product of at least one organo-magnesium compound, at least one titanium-containing compound, at least one hydroxyl group-containing compound, at least one chlorine-containing organo-aluminum, boron, phosphorus or silicon compound, and at least one polybutadiene block copolymer. The catalyst component of the present invention has well-shaped particles, and a narrow particle size distribution; a polymerization reaction of olefins with the catalyst component produces well-shaped polymer particles with a high bulk density (BD) and an excellent comprehensive catalytic performance. The present invention also relates to a preparation method for said catalyst component and the application thereof, particularly in the homopolymerization and copolymerization of olefins such as ethylene, propylene, butene, hexene and octene. | 06-13-2013 |
20150239998 | CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION, PREPARATION THEREOF AND CATALYST COMPRISING THE SAME - The present invention relates to a catalyst component for ethylene polymerization, which comprises a reaction product of a magnesium complex, at least one titanium compound, at least one alcohol compound, at least one silicon compound, and optionally an organic aluminum compound. The silicon compound is an organic silicon compound having a general formula R | 08-27-2015 |