Urban villages, as products of rapid urbanization, are crucial for understanding urban spatial forms and social vitality. Optimizing the public space network within these areas can enhance human environment. This study constructs a villages based on topological relationships between spaces road systems. A vitality is developed using composite index, gravitational model, entropy power methods. The interaction two networks analyzed through coupling coordination degree model. findings reveal:...

Mild malformation of cortical development with oligodendroglial hyperplasia and epilepsy (MOGHE) is a newly described rare entity drug-resistant epilepsy, wide spectrum presentations. We aim to describe the diagnostic features prognosis MOGHE in large cohort. performed systematic review preregistered on PROSPERO (CRD42023472978), accordance Preferred Reporting Items for Systematic Reviews Meta-Analyses statement. searched PubMed, Embase, Scopus, ScienceDirect between database inception...

This paper researches into a remote monitoring system for the abnormal electrocardio signals and transmitting data automatically through mobile phone messages. Such utilizes GSM MODEM fully-developed network to accomplish transmission, resulting in great reduction costs alarm, smaller volume of apparatus as well more convenient reliable operation. introduces hardware circuit consisting heart rate sensor, MCU, interface MODEM, presents design software realized based AT command program. adopts...

In order to reduce safety accidents caused by non-standard wearing of helmets, deep learning target detection technology is applied construction scenarios, and a helmet algorithm based on YOLO v5 proposed, which can realize real-time wearing. The part uses the K-means cluster dimensions frame, Yolov5s.pt used for training. During training, size input image changed increase adaptability model, hyperparameters optimizer are adjusted be best after improvement. model has an accuracy rate 90%,...

Deep learning algorithms mostly have network parameters that can affect their training results, and the combination of neural architectures also has a significant impact on algorithm performance. The performance deep is usually proportional to overall number parameters, leading excessive resource consumption for exploring with large hyper-parameters. To solve this problem, vector representation proposed which architectures, multi-objective optimization model established based genetic in...

Firstly, the technical features and frequency characteristics of IEEE802.11x protocol in wireless local area network (WLAN) are introduced. The functional relationship path loss coverage distance dense urban suburb is shown figures. uplink downlink radio power budget current WLAN outdoor calculated. Secondly, calculation comparison pass loss, link cell radius done for suburb. Thirdly, hot spot signal strength simulated several situations by using simulation software. results validate...

Under the background of "all things connected", development cities is becoming more and modern, management control requirements for urban well cover intelligent. The system terminal selects a variety sensors, optimizes its circuit structure, designs working mode trigger concentrator, realizes collection node information with high precision low power consumption, Lora (wide area Internet narrow band technology) protocol has used as medium to exchange data server. backend based on SSM...

Background Paroxysmal kinesigenic dyskinesia (PKD) is characterized by recurrent episodes of movement-induced motor attacks. PKD patients may have concomitant epilepsy. Differentiation between the two disorders and effective control both diseases remain challenging. Case Presentation We present a Chinese girl with typical manifestations PKD, who also suffered from generalized tonic-clonic seizure attacks at same time. Genetic testing confirmed PRRT2 mutation (c.649dupC). Oxcarbazepine was...

Traumatic brain injury frequently leads to prolonged coma, posing significant medical management challenges. Complementary therapies, including traditional Chinese herbal medicine, have been investigated as potential interventions in comatose patients. aromatic herbs, such Borneolum (Bingpian), Moschus (Shexiang), and Acori tatarinowii rhizoma (Shichangpu), long believed be "resuscitation with aromatics" based on medicines theory.

Window lifter motor is one of the potential electromagnetic interference (EMI) sources in automobile. Based on research principle and generation mechanism EMI, its EMI characteristics are tested analyzed. The suppression methods proposed. By comparing two filters methods,it shows that designed filter suppresses more effectively. Its conducted emission radiated lower than second lever limits CISPR 25-2007+.

Firstly, the technical features and frequency characteristics of IEEE802.11x protocol in wireless local area network (WLAN) are introduced. The uplink downlink radio power budget current WLAN outdoor coverage is given. functional relationship path loss distance dense urban shown figures. Secondly, hot spot signal strength simulation has been done for several situations by using software. results validate accuracy calculation uplink/downlink 2.4GHz band. Finally, a valuable deployment...

The geomagnetic sensor system needs to meet the low power consumption and high real-time requirements of single-chip microcomputer, which may cause vehicle flow detection algorithm be insensitive high-frequency signals with small mean value changes. Slow vehicles, end-to-end vehicles large-scale are also prone false detections other issues. This paper studies method based on waveform, is perform filtering collected signal dynamically adjust threshold, calculate magnetic field strength its...

Surface garbage has a great impact on the ecological environment of water area. Manual salvage is costly and time-consuming. Therefore, professional surface robots have attracted extensive attention. The reliability fishing robot mainly depends object recognition algorithm carried by it. In this paper, detection based improved YOLOv5 proposed. order to strengthen diversity dataset enable model identify scenes with multiple overlapping objects, Mixup used in paper for data enhancement improve...

The signal coverage technology and the difficulties of TD-LTE in High-speed Train are summarized. method uplink/downlink power budget is mentioned path loss calculated ordinary scene tunnel respectively. results show that F working frequency band TD-LTE, maximum allowable to reach 110~130 dB. In scene, by using large station a high gain antenna, outdoor radius up 600~1000m. leaked cable, RRU 500m.

Seat motor is one of the potential electromagnetic interference (EMI) sources in automobile. Based on principle and generation mechanism EMI, its EMI characteristics are tested analyzed. The suppression methods proposed. A filter circuit designed for micro-motor multipoint grounded wide-band EMC It shows that suppresses more effectively. can inhibit differential mode common signal, improve filtering performance, Its conducted emission radiated lower than lever limits EU (European Union)...

This paper mainly introduces some related problems about special mobile communication signal based on TD-LTE and TD-SCDMA in high-speed railway, summaries the main difficulty of coverage railway analyses TD & LTE wireless network characteristics key technologies under environment railway. First, we make a contrast range uplink downlink ordinary situations. Then calculate 2G/3G/4G overlapping lengths. Finally, consider effective cover radius, distance grazing angle between stations...

The number of broken filament will affect the quality viscose directly. It is one important indicator filament. This paper presents a new detection method filaments based on image procession technology. can get lower cost and convenient usage. Firstly, by using CCD camera, we got images. Secondly, images were processed in MATLAB. numbers white pixels (N) part calculated. Finally, N value was counted analyzed. A threshold to estimate existence gotten. When more than threshold, prove these...

According to the property of Hertz vector horizontal electric dipole in stratified biological media, a method is presented by using fast Fourier transform (FFT), which complicated Somerfeld integral can be calculated analytically. We have obtained solution vectors space domain. The field tangential microstrip antenna arm derived relationship between and field. In order get current distribution arm, moment used. It important find for determining parameters finding power deposition media.

ICQI is the key indicator for HSDPA downlink channel quality. UE reports CQI and HARQ-ACK feedback info to Node-B through uplink HS-DPCCH. estimates value an iterative algorithm taking measurements of HS-PDSCHSIR CPICH_Ec/No into account. Besides this probes with varying parameter values TB size, modulation type, a reference power setting HS-PDSCH possible adjustment obtain value. This paper gives methods how determine SIR PDSCH channel, received power, Measurement Power Offset etc. very...

The whole network platform of the vehicle geomagnetic data is needed to avoid vertical application small, multi-distributed and chimney modes, for huge intelligent parking market, many operators applications. It can collect various types support mining. Based on sensor detection technology, LoRa narrow-band communication technology Internet Things technology. Here we develop a IoV(Internet Vehicle) system which based an open traffic platform. This reduces access threshold IoV terminal...

Abstract Gas steam boilers are special equipment subjected to high temperature and pressure, it is particularly important detect deal with operation faults in time. Against the 4 types of common fault gas boilers, diagnosis model was established based on deep neural networks (DNN), parameters were optimized verified by experiments. The results show that performs best as Tanh activation function, 100 Batch_Size, Adam Optimizer, 10 -5 learning rate 0.2 Dropout since output accuracy above 92%...