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Background on modern safety monitoring of building maintenance equipment, the technology of ZigBee is applied. Steel wire rope monitoring system of window cleaning machine is researched in this paper. Its key question is to achieve low speed, low cost and low-power consumption. Star topology of wireless...

Power consumption is an important issue in modern high-frequency and low power design. Multi-bit flip-flops are used to reduce the clock system power. The scaling with multiple supply voltage is an effective way to minimize the dynamic power consumption. In this paper, we propose an effective multi-bit...

1.Objective: This study aims to propose the changing of the joint force during walking cycle based on the multi-degree-of-freedom exoskeleton. 2.Methods: The dynamic model of the joint structure is built up and the force situation is gotten when it is working. Then the electric currents are obtained...

Data transmission channel is the most power consumption part in large scale seismic data acquisition system. In this paper, 9B/10B, a high bit rate channel modulation code is introduced. In order to reduce the implementation complexity, a decoder using direct combinational logic expressions is developed....

Quality degradation happens when Streaming video transmits over error-prone network. In this paper, a perceptual error protection model is proposed by utilizing the priority assignment schedule with FMO and ARQ. The prioritization is based on the property of human visual system and influence on the end-to-end...

Nowadays, micro-blogging is widely used as a communication and information sharing social network service, therefore mining micro-blogging users’ behavior features is very important both in the economic and social fields. A framework for the analysis of user’s interest features is proposed in this paper....

As a barometer of quantitative investment, the volatility and future trend of VIX index can provide a reference for investors. This paper uses the data of CBOE from 1990 to 2022 to analyze its data characteristics. It finds the VIX index can be divided into two blocks, a flat zone and a rising zone....

Many researchers in the fields of artificial intelligence and human sensing have been attempting to find a solution to the issue of posture detection. Posture recognition for the purpose of remote geriatric health monitoring, including standing, sitting, and walking. Most recent research has used conventional...

WiMAX is a promising technology for a higher spectral efficiency and reliable transmission. This paper compares the downlink throughput experienced by mobile users in a macro-cell in an interference limited scenario with a frequency reuse of one. Bit accurate link level simulations are performed for...

In this paper, we propose a novel medical color image digital watermarking algorithm, which can realize watermark capacity, transparency and robustness effective compromise. We encrypt the watermark image by Arnold Transform at first and then take it into a random sequence. The principal component of...

This paper mainly studies currently developing 3D video coding based on HEVC. HEVC-based 3D video coding mainly focuses on 3DTV and auto-stereoscopic video compression system. A variety of new encoding tools, such as inter-view motion prediction and depth modeling modes, have been added in 3D HEVC. The...

The previous drilling practice showed that there were many drilling difficulties in igneous rock, such as less footage of one bit, lower roundtrip ROP, more tripping times, etc., which severely influenced the exploration and development process of carboniferous formation. After analysis, the reasons...

Aiming at the research on the VHF radio received link, the received model is established. First, the filtering process, GMSK demodulation , RS decoding and de interleaving process which influence the received signal-to-noise ratio(SNR), are analyzed and modeled, so that the theoretical model is established;...

Spread spectrum communication is to use spread spectrum code to modulate the information data to be transmitted in order to realize the frequency spectrum extension, then transmission. The receiver uses the same spread spectrum yards to conduct solution and the related signal processing and restore the...

Formal verification for safety-critical software requirements is used to improve the safety of software system. Model checking precisely verifies the related properties of software system, but there still exist limitations in properties extraction which is traditionally obtained by artificial definition....

In this paper, antenna selection at transmitter in Space Shift Keying (SSK) is considered, which conveying information using the bit-determining antenna from two potential antennas. Previous researches mainly focused on information transmission, and the main performance metrics are bit error rate (BER)...

According to short wave radio signal of a certain active airborne frequency measurement instrument part device still adopts pure hardware building mode and acquisition data scattered, leading to large volume, monitoring performance is limited, the real-time problem, low accuracy and can not upgrade the...

Based on guided scrambling technique, the 64B/67B channel code has two remarkable advantages of high bit rate of 64/67 and DC-balance. In this paper, we realize the FPGA implementation of 64B/67B coding scheme and make out a comparison with 8B/10B coding scheme. Testing results indicate that taking resource...

This paper applies the refined increasing difference property to XOR-based MDS codes and obtains a lower storage complexity for distributed storage nodes. For a message of kL bits stored in n distinct storage nodes, a data collector connects any k out of the n storage nodes to recover the message. In...

In the acquisition block of a real time re-ceiver for satellite communication, bit transition due to the navigation message may cause a correlation peak splitting, which will probably lead to a wrong es-timation of Doppler shift and code phase delay. In this paper, the impact of bit transition on the...

Saddam Hussein would no doubt be one of the most brutal dictators in the modern era by cold-heartedly allowing executions of innocent people and starting wars in order to enhance his presidency and his full control in power. Although he did so many things to be condemned, he surely gained a lot of supporters...

This paper focuses on the bit error rate (BER) performance of intelligent transportation communication system under multi-path mobile frequency-selective channels. After presenting the theoretical BER performance formula of single carrier frequency domain equalization (SC-FDE) in the form of double integral,...

The industrial revolution demanded the nation’s youth as the next generation of the nation to possess competence as competitiveness. Competition in the era of the Industrial Revolution which is global in nature requires them to be more qualified and creative. In order to participate in global competition,...

On the background of the deduplication needs of repeated documents in Internet, research the deduplication technique based on Simhash algorithm on large-scale documents. On the basis of taking the Simhash algorithm as core algorithm in duplicated documents detection, improve the procedure of achieving...

In recent years, the low-order modulation signal cannot meet current demands due to the band tension and high demand of data transfer rate. In this paper, a higher-order modulation signal generator based on software-defined radio idea was designed. The design implements an efficient plan based on DDS...

With the rapid development of Internet and the popularity of media contents, the performance of stream media server is becoming an important factor for stream-media systems. By measuring and analyzing the performance constraints of the media server, we find the way to improve the performance of stream...

This paper proposes a novel digital sight by dynamic modifying external ballistic parameters based on embedded Linux system. The external real-time ballistic parameters will be achieved by laser sensor and high-speed image sensor with high-speed Processor platform. With the combination of real-time modification...

This paper proposes a global learning of neural networks by hybrid optimization algorithm. The hybrid algorithm combines a stochastic approximation with a gradient descent. The stochastic approximation is first applied for estimating an approximation point inclined toward a global escaping from a local...

TiO2-SiO2 film were prepared by sol-gel process. The prepared samples of these films have been characterized by FT-IR spectroscopy, TG-DTA, XRD and AFM. The transmittance of these films is tested by UV-VIS spectroscopy. The results show that the double doped glass antireflection film antireflection performance...

Natural silk fibers were used as the template to synthesis biomorphic Fe2O3 fibers. Silk fibers were first immersed into a Fe(NO3)3 solution and then sintered in air at high temperatures to produce the final Fe2O3 fibers. Their microstructures, phases, and synthesis process were analyzed. The results...

By drilling a large number of experiments, the drilling force, bit positioning error and other data, Using high resolution camera and microscope observation techniques to obtain microdrill digital photos, based on the structural analysis of micro drill, the stress model is established, Based on the combination...

Memory size occupation and memory access bandwidth are capital issues for high resolution video codec design because of the large scale of data, and the high power consumption especially for wireless terminals. An adaptive and random access-obeyed reference pictures memory compression (RPMC) scheme based...

IETF has specified Mobile IPv4 and Mobile IPv6 in RFC3344 and RFC3775 respectively, but not yet discussed Mobile IPv4/v6 in any published RFC. This paper proposes a scheme to solve one of Mobile IPv4/v6 problems which Home Agent (HA) is located in IPv4 network, Correspondent Node (CN) is located in IPv6...

In this paper, we propose a fast and optimal adaptive transmit power and bit allocation algorithm, which is called Bisection Searching Level (BSL) for wireless OFDMA systems. The algorithm aims at maximization of data rate under the constraints of total transmit power and bit error rate (BER). BSL is...

Research the pyrolysis kinetics of eucalyptus and the absorption band and characteristic peaks of volatile pruducts under the heating rate 10?•min-1, 30?•min-1, 60?•min-1respectively. The experimental results show that eucalyptus pyrolysis process can be divided into 3 stages: moisture volatilizes stage,...

The weighing of granular materials is generally implemented through the detection and control of weighing instruments, which control the vibration intensity according to the weight of incoming material measured by the sensor, and finally assure the material weighing accuracy under certain speed. Vibration...

Peer-to-peer (P2P) streaming over Internet needs to consider the dynamic bandwidth fluctuations and various client device capabilities. To maximize the network utilization and to achieve stable P2P streaming, we propose a novel multi-layered P2P streaming system in which the scalable video bit-stream...

The rapid evolution of wireless communication technology has led to the emergence of sixth-generation (6G) networks, which require highly efficient Multiple-Input Multiple-Output (MIMO) systems. Precoding is a basic technique to improve spectral efficiency and mitigate interference in MIMO systems and...

In order to solve the problem of low speed of the equal precision digital frequency meter based on MCU and FGPA, this paper proposed a new communication protocol between MCU and FPGA, in which a 16-bit data bus was applied for data parallel transmission and the FSM was used to realize 32-bit data transmission...

A terpolymer resin (NSMA) was synthesized with styrene, maleic anhydride and N-phenyl maleimide. The structure and composition was characterized with FT-IR and 13C-NMR. The thermal resistance of NSMA was determined through integrated thermal analysis. The results indicated that, when the molar ratio...

in the current study of goods distribution route optimization method in the industry of warehousing and logistics, because the current algorithm for route optimization have sluggish searching speed, and vulnerable to be involved in local optimal solution, a goods distribution route optimization method...

This design uses Wifi control the movement of the car, the speed acquisition, temperature acquisition and monitoring of video image. The car controller uses microcontroller LPC1768,which is 32-bit, single cycle, support reduced instruction set and has rich resources of peripherals and high-speed processing...

In this paper, a hybrid constellation of both quadrature amplitude modulation/phase shift keying (QAM/PSK) and pulse amplitude modulation (PAM) aided index spatial modulation (ISM), which called ISM-Q/P scheme, is presented to exploit the potential spatial gain from both spatial domain of transmit antennas...

In the light of the high decoding complexity and large transmission delay caused by the bit rate allocation of Distributed Video Coding (DVC) scheme with feedback channel, this paper proposes an improved bit rate control algorithm without feedback. The algorithm uses the division of macro block to simplify...

PPP project is an innovative way of cooperation, which not only bring out internal economic development but also improve people's livelihood in the same time. Even though it seems to be a noble concept, it is inevitable to encounter some obstacles and difficulties. This essay generally split into several...

This paper introduces a hardware and software structure and key technology of a new radioactive source vehicle recorder based on the 32 bit ARM processor. It is installed in the vehicle which has a radioactive source, it can detecting and recording important datas while the vehicle movement. Starting...

This paper presents the 4~6GHz 6-bit MMIC digital attenuator with low phase shift. Phase compensation techniques were used in the MMIC design to reduce the phase shift. This attenuator is fabricated with 0.25æm GaAs PHEMT process. Simulation results of the developed MMIC chips in the 4~6GHz show that...

In recent years, with the development of mobile technology,almost all the smart phones and panel personal computers using the ARM architecture, and security issues on this platform arealso getting more and more attention from researchers. Attack of malicious tampering program flow control is one of the...

To expose the existence of hidden message, this paper presents a steganalysis method for LSB (Least signify-cant bit) matching steganography in wav audio based on multi-order Markov feature. Noise sequences are extracted respectively based on two methods of local correlation and 5/3 wavelet de-noising,...

High-speed high-precision data acquisition applications in modern industrial control field is very wide. The reasons of Environmental and circuit, the interference signal is introduced into the collection process inevitably, resulting in loss of precision and sampling error rate increases. When improving...