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Offering adult education programmes to enhance farmers’ qualities is an integral component of China’s lifelong educati......
Because of gravitational differentiation of multi-phase fluids,gas-water flow is usually stratified in highly inclined o......
【正】 The project of transmitting natural gas fromSichuan province to eastern China, thenation’s one of significant pr......
Clustering routing algorithm of self-energized wireless sensor networks based on solar energy harves
Aiming at the problems of existing clustering routing algorithm of self-energized wireless sensor networks(WSNs) on fixe......
An embedded underground coal seam carries channel waves of low seismic velocity along a stratigraphic rock-coal-rock seq......
A power train dynamics model of a coaxial parallel hybrid electric vehicle(HEV)was built for different clutch operating ......
This paper examines the feasibility in air drilling of transmitting down-hole signals by using microwaves. Firstly the b......
Compression behavior of Sm)2Ti_2O_7-pyrochlore up to 50 GPa:single-crystal X-ray diffraction and den
Single-crystal X-ray diffraction at pressures up to 50 GPa has been employed to study the compression behavior of Sm2Ti2......
Objective: To investigate the prevalence of fragile X syndrome in the Chinese. Methods: Fragile X syndrome was screened......
Test studies on the wave pressure on a breakwater pier show that the influence of transmissivewave pressure on the outsi......
本文提出了一种基于CAN总线通信的停车位检测和管理方法,这种通信是在光传感器、PC站和无线电台之间进行的。本系统可以为车载设备......
Preimplantation genetic diagnosis(PGD)gives couples who have a high risk of transmitting genetic disorders to their baby......
In orthogonal frequency-division multiplexing(OFDM)systems,the capability to support high mobility is greatly limited by......
This paper briefly introduces the maneuverable feature of the slightly inclined geosynchronous orbit (SIGSO) satellites ......
Based on the idea of transmitting the satellite navigation and positioning system, taking the distribution and variation......
Multiple-input multiple-output(MIMO) systems can be combined with orthogonal frequency division multiplexing(OFDM) syste......
A 3-5 GHz low power BPSK modulated impulse radio UWB transmitter is implemented in 0.13 μm CMOS technology. In this des......
Time synchronization and carrier frequency control of CAPS navigation signals generated on the groun
The Chinese Area Positioning System (CAPS) works without atomic clocks on the satellite, and the CAPS navigation signals......
Based on the ambiguity function, a novel signal processing method for the polarization measurement radar is developed. O......
A single-chip low-power transceiver IC operating in the 2.4 GHz ISM band is presented. Designed in 0.18 μm CMOS, the tr......
The formula for calculating the threshold of average transmitting power of cylindrical TE11 mode window is revised by a......
The traffic buffering problems in the ethernet over synchronous digital hierarchy(EOS) are introduced and analyzed. Diff......
Excess Loss of the Coupling System to Double-Function Optical Circulators Utilizing Lens Twice and T
A new type of double function optical circulator for double fibers is proposed in this paper. Two fiber tips and lens tw......
A hybrid magnetostrictive-piezoelectric barrel-stave projector is designed and developed. The new type transducer is dri......
Analytical expression to calculate propagation constant and mode field of the hollow core Bragg fiber is derived. Numeri......
The diameter of the excitation beam was decreased greatly by integrating the fiber on the microfluidic chip as light pro......
The average intensity of finite laser beam propagating through turbulent atmosphere is calculated from the extended Huyg......
Experimental Studies of Microwave Reflection and Attenuation by Plasmas Produced by Burning Chemical
A series of chemicals are designed and prepared.With the method of thermodynam-ics,the average electron densities of th......
Diffraction efficiency of grating plays an important role in output power of incoherent fiber laser beam combination. Th......
We present a simple system of RoF communication based on electronic-optical frequency modulation(EO-FM) in the article. ......
AIDS, acquired immune deficiency syndrome, first reported in the United States in 1981, is a deadly disease that is cau......
Due to variable symbol length of digital pulse interval modulation(DPIM),it is difficult to analyze the error performanc......
A multi-channel free space optical interconnection component,fiber optic rotary joint,was designed using a Dove prism. W......
In the ionospheric monostatic system the echo is af- fected by systematic error. A real-time method using the special ch......
Investigation of transmission resonances on the one-dimensional metallic cylindrical gratings in THz
In the experiments of THz wave transmitting through the metallic cylindrical gratings fabricated by sub-wavelength brass......
To study the electromagnetic(EM) backscatter characteristics of freak waves at moderate incidence angles,we establish an......
The architecture of and the corresponding control algorithm for a devised optical cross-connect, limited- range waveleng......
通过建立声表面波(SAW)匹配滤波器的等效能量结构,利用交叉场电路等效模型,在频域上对SAW匹配滤波器进行分析。对于中心频率为60 M......
This paper describes a high security data transmission system over X-band microwave frequency. The paper has two parts. ......
An optical waveguide interconnect mesh network scheme for parallel multiprocessor systems based on an electro-optical pr......
This paper presents a transmitter IC with BPSK modulation for an ultra-wide band system.It is based on up-conversion wit......
Myocardial infarction(MI),as one of the most threatening manifestations of cardiovascular disease,remains a therapeutic ......
We summarized the design, fabrication challenges and important technologies for multi-wavelength laser transmitting phot......
Calculation of all-time apparent resistivity of large loop transient electromagnetic method with ver
In large loop transient electromagnetic method(TEM),the late time apparent resistivity formula cannot truly reflect the ......
Theoretical studies on liquid crystal filled photonic crystal fiber(LC-PCF)are presented.The eects of electric birefring......
The study of the transmission of GHz waves in the oceanic low altitude waveguide in the PEM-based gr
A parabolic equation method(PEM)-based discrete algorithm is proposed and is used to obtain the field distribution in th......
Introduction Research into second language acquisition is a relatively new topic. In the past， teachers were dominant ......
The transmitting light in GaN-based LED with 30 nm thickness metal film grating is investigated. We proposed a basic gra......
Wavelength combining with a transmitting Volume Bragg Grating recorded in photo-thermo-refractive glasses is present.The......
A time domain designing method is proposed for discrete Fourier transform(DFT) modulated filter banks(DFT-FBs) for appli......
