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We implement an assisted positioning system, based on BLE and six-axis accelerometer that includes an accelerometer and a gyroscope. The system uses two on-chip CC254x with BLE features for wireless transmission and MATLAB for the data processing in the cloud. After quadratic integral of acceleration...

In order to ensure a long-term use of GPS receiver and stable data, the GPS receiver is important to regularly test. GPS receiver test/calibration baseline network in Chongqing Vocational Institute of Engineering is the first completed and passed the acceptance by Surveying and Mapping Management Office....

Modern battlefield environments demand intelligent systems for real-time soldier monitoring and rapid casualty response. This paper presents Intelli-Helmet, an integrated IoT and TinyML-based wearable system addressing critical gaps in military safety infrastructure. We introduce three key algorithmic...

Since the excavation of the brocade inscribed with “When the Five Planets appear in the East, it will benefit the Central States”(五星出東方利中國), remarkable achievements have been made in multi-angle research and interpretation. However, the cultural interpretation of the brocade patterns still needs to be...

The difficulties of wireless sensor data fusion is to switch the sensor cluster state, namely the problem at some point the direction to which the sensor data fusion. First of all, by the acquisition of knowledge in rough set theory, the typical clustering distribution of multiple sensors can be fused as...

Indoor navigation is increasingly important for helping people move smoothly through large and complex indoor spaces such as airports, malls, universities, and hospitals. Because GPS signals are weak or unavailable inside buildings, most indoor navigation systems rely on alternative technologies, yet...

In order to solve the problem of responding slowly to freeway emergency, the construction of fast response system was studied based on the system analysis method, and then the system functions were designed. The key technologies in the fast response system were also analyzed which were termed as “3G”....

In this paper, a new method of clock disciplining based on GPS/BD dual-mode receiver is proposed, which can improve the estimation accuracy of clock bias by fusing the GPS clock bias data and the BD clock bias data. In addition, the use of unbiased FIR filtering algorithm to filter the clock bias data...

Reliable vehicle localization is a basic requirement in many applications in transportation field. GPS-based localization is quite popular nowadays. However, in urban environments applications, signal of GPS is often blocked by surrounding objects like high-rise buildings, tunnels, overhead roads, etc,...

large police scheduling model is the key to ensure the smooth progress of the police work. In view of the traditional large police reasonable scheduling model, invulnerability and robustness is not good, the paper presented a large police reasonable scheduling model based on the Internet of things technology....

In India 80% of the deaths are due to accidents so as to prevent this Vehicle-to-Vehicle Technology has come into existence. This V2V technology not only prevents accidents but also detects them. This V2V is a subset of ITS. V2V is vehicle-to-vehicle communication in which vehicles exchange information...

The purpose of this study was to determine the stages of creating a group tourist monitoring application using Firebase Realtime Database. Foreign tourists tend to visit Bali in groups and choose tour packages offered by the travel. During a tour at a tourist site, tourists are often too far away from...

Precision agriculture has greatly progressed by increasing crop output in recent years. Unfortunately, diseases caused by pests and insects often lead to big losses in fields, reducing crop yield. To fix this, fertilizers and pesticides improve crops and control insects and pests. People are worried...

A design of alarm system basing on 51 SCM used dedicated GPS positioning module and GSM SMS module, which owns higher positioning accuracy and lower signal requirement, comparing with ordinary mobile phone. It can send location information to the outside world for help accurately and timely, reduce unnecessary...

For many of the applications in which wireless sensor networks are used, it is important to know from which nodes or what location useful information is acquired. The Global Positioning System (GPS) is conventionally used to determine location. However, GPS systems are not ideal for many applications...

This system is mainly to the traditional cooling system for the appropriate improvement through the cooling water tank, water pump, pipeline, water, the global positioning system GPS, liquid level sensor and the central control system. When the vehicle down a long slope, through the GPS issued an electrical...

Battery-life uncertainty remains one of the most significant factors affecting smartphone user experience. This study develops a continuous-time dynamic model for the state of charge (SOC) of lithium-ion batteries in smartphones and applies it to multi-scenario endurance prediction. The model is established...

With the development of mobile Internet, more and more people begin to get convenient service by mobile phones. Obtaining one's current location by GPS positioning or network positioning has become one of the important foundations in most applications of location based service. In this paper, we designed...

In the radio observation based on the large single antenna, in order to reduce the interference of navigation signal L2 from observation of the red-shifted HI spectral line at L-band, we used the an auxiliary channel and normalized LMS algorithm, and proposed new evaluating indicators deduced by theoretical...

Continuous wave (CW) radar and global positioning system (GPS) is the main equipment of trajectory measurement in range. Based on range test background, propose a method to fuse GPS pseudo-range and CW radar range to provide complete trajectory positioning parameters, effectively reduce the impact of...

This paper introduces a kind of GPS positioning terminal device with the STC89C52 microcontroller as its control core in detail. This device consists of 52 single chip microcontroller and some peripheral circuit, GPS modules, liquid crystal display module and serial communication interface, and can show...

Theft and loss of personal belongings continue to be a grievous problem in Bangladesh, more so in heavily populated cities like Dhaka and Chittagong. Most of the tracking solutions are either expensive, fragmented, or poorly suited to the local infrastructure and user behaviors of this region. This paper...

With the continuous consumption of resources, the demands for energy and the consumption of non-renewable energy is growing more and more. Solar energy, as a green initiative non-polluting renewable energy, has a great prospect. But most conventional solar panels are fixed, causing the exploitation insufficient....

The direction of nutrition development policy in Indonesia is to strengthen research and development, including monitoring and evaluation. This means that research is one way to develop quality nutrition, both for individuals and for the community. Data shows that Indonesia is the fifth country with...

People are accustomed to using mobile Internet for browsing, chat, handling documents and emails to replace single GPS, MP3 and MP4. As the most portable personal information terminal, smart phone is undoubtedly the most intimate digital product. As different mobile phone operating systems have different...

This article describes one investigation of Okhotsk Sea sediment in the northwest Pacific margin, the study based the use of the advanced tool called Echo sounder system,made a large scale acoustic sweep to the east slope of Sakhalin Island.Through the acquisition of the echo signal, the multi-channel...

Particle filter is introduced. Since the particle filter would bring hard computation, a new Kalman/Particle mixed filter used on SINS/GPS integrated navigation system was proposed. The new method divides the system into two sub-models, one is linear, the other one is nonlinear, and then implement Kalman...

Aiming at the special circumstance in which UAVs swarm are used in the mode of battlefield extending, a message delivery scheme called AWJPMMD (ARIMA-WNN Joint Prediction Model based Message Delivery) is proposed. In this scheme, the LET (Link Expiration Time) of the center node and the proxy node is...

The paper focuses on the intelligent logistics pallet, networking, traceability information technology and unified logistics information system, and puts forward unified traceability information system of intelligent logistics pallet based on the Internet of things (IOT), displaying innovative system...

Many situation demand a high precision, low cost and robust navigation for Land-Vehicles. Real Time Kinematic (RTK) satellite navigation is a technique that can provide up to centimeter level accuracy. But in the condition of poor visibility of satellites, the function of RTK is limited. To achieve a...

The traditional PLL (Phase-locked loop) is used to track the GPS signal carrier. However, an unavoidable contradiction between the bandwidth of PLL and the measurement accuracy occurs when PLL works in a high dynamic situation. Consequently some solutions have been studied since 1980s, which can be divided...

A RF radio signal acquisition and analysis system which is based on ARM and FPGA hardware architecture is designed in the paper. The system can measure the field strength data of multiple frequency radio signals at the same time, and save the demodulation broadcasting audio in real time. In addition,...

Because of the age and the abbreviated records, wu sheng (寤生), which first appeared in Zuo Zhuan (左传), still has unclear interpretations and different way of saying. Sheng (生) means birth or giving birth to in Chinese, while the meaning of wu (寤) is controversial. This paper compiles the main views on...

In 1999, the U.S. government announced GPS modernization plan. CNAV message will be broadcast in the new navigation signals L2C, L5, which is differs from NAV message in channel encoding. Aim at the high error rate of the conventional channel decoding process of CNAV message, this paper proposes an improved...

RTK real-time dynamic relative positioning is to be able to get cm-level real-time positioning accuracy in the field of measuring methods, it USES the Real-time kinematic, RTK method, is a major milestone in GPS application, it appeared as the project lofting, topographic mapping, brought new dawn various...

In recently, A massive research effort in monitoring vehicle and traffic conditions has gone into developing methodologies that can be used to offer value-added Information to managers and drivers. Such the process can be realized by the large popularity of smartphones and the sensor equipped in the...

Geographic Information System (GIS) applications now increasingly make use of geo-located multimedia data such as images and videos. Furthermore, the widespread use of smartphones (and increasingly tablets) and the rapid improvement of hardware has enabled the acquisition of high-definition user-generated...

In order to balance the traffic supply to meet the citizens demand for public transportation, reduce the pressure of urban traffic, enhance the competitiveness of public travel and improve the intelligent transportation system service, this paper proposes a bus arrival time prediction algorithm based...

The clock synchronization of GPS navigation system is a key technology. This paper is based on GPS clock system, aiming at the asynchronous problem of GPS in the clock, and establishes a more realistic nonlinear dynamic model with coupling delays and delays in the dynamical nodes than before. The clock...

Witnessing a rapid and continuous diffusion of mobile devices such as on-board GPS navigators, smartphones and tablet computers, we also facing the challenge that how to effectively and efficiently cluster the trajectories derived from these devices. Such an algorithm can benefit a range of applications...

In view of the low efficiency and inspecting dead zone of inspecting in 500kV substation, a new inspection method is proposed, which is using UAV carrying multi-sensor detection devices instead of traditional manual inspection and robot inspection. The structure, the composition of obstacle avoidance...

A closed-loop autonomous navigation system based on fuzzy neural network is proposed to deal with the autonomous navigation issue of hexapod robot in unknown environment. The closed-loop system is designed in order to optimize the output performance. The navigation algorithm is designed to combine fuzzy...

According to the error of the data processing algorithm applied in the GPS positioning system which is applied in agricultural machinery especially in combine harvester, the application of ARM processor is used as the data processing module and the geographical positioning information is collected by...

The helmet-type information platform is used for the multi-source information acquisition and processing. Based on the AD HOC network and AODV protocol, the information from different devices and sensors transmits from rescuers to other members, such as the audio and video signal, the GPS, the poisonous...

With the development of global satellite navigation systems, the design of multi-mode navigation receivers based on software radio has become a research hotspot in the entire navigation system. The design of a Beidou/GPS dual-mode receiver based on the MAX2769B is introduced. The architecture of the...

In current times, there is a growing need for compact antennas that can function in multiple bands, specifically for wireless communication systems such as GSM, UMTS, and WIFI. Researchers are exploring the use of fractal geometry antennas to address this requirement. Several recent investigations have...

Analyzing the existing problems of traditional land law enforcement work and the development significance of land supervision-discovery system based on remote sensing technology, combined with the actual situation of Xi'an Bureau of State Land Supervision, the paper designed land supervision-discovery...

In recent years, urban underground pipeline accidents have occurred frequently, which caused huge losses of property and personal injury. In order to ensure the safe operation of urban underground pipeline and strengthen the urban underground pipe network in all directions, in this paper, using the Java...

Tropospheric delay is one of the important errors in positioning and timing. Lots of researches have been done, and many tropospheric correction models have been proposed. The precision of the models change with the location and meteorological conditions of the user. Significant improvements will been...

Study and application of information technology in land field continues to deepen and cover wider range. After concluding the application of space information technology, including RS, GIS and GPS, in land field, this paper predicts the future direction of application of space technology in land field.