Shenzhen Mindray Bio-medical Electronics Co., Ltd.

Other

Lihan Liu

Ming Li

Zuming Yao

Fei Ye

Fei Zhang

Wenyu Ye

Fei Han

Xianliang He

Zehui Sun

Jianwei Su

Sanchao Liu

Bailei Sun

Yun Deng

Jilun Ye

Xingliang Jin

Honggang Wang

Chaocheng Xie

Tielin Liu

Nanlin Liu

A method for calculating physiological parameters includes: selecting a section of time domain signal corresponding to at least one signal of red light and infrared light obtained by sampling, and performing a conversion from time domain to frequency domain to obtain a corresponding frequency domain signal; selecting all rational frequency spectrum peak information, calculating energy information of selected reasonable frequency spectrum peaks, and forming a frequency spectrum peak energy ratio sequence; constructing a stability coefficient according to the frequency spectrum peak energy ratio sequence, and if the stability coefficient is low, constructing a compensation coefficient by using the frequency spectrum peak energy ratio sequence; and compensating for at least one of the time domain signal and the frequency domain signal by using the compensation coefficient, and calculating based on at least one of the compensated time domain signal and the frequency domain signal to obtain the physiological parameters.

Methods and systems for calculating physiological parameters

Disclosed are methods, apparatuses, and systems for performing physiological parameter signal fusion. By respectively analyzing a plurality of input physiological parameter signals, and obtaining a feature of each physiological parameter signal; according to the feature of each physiological parameter signal, obtaining and outputting a fusion state of the plurality of the physiological parameter signals; if the fusion state is a fusion of the at least two physiological parameter signals with the first physiological parameter signal is dominant, highlighting the first physiological parameter signal; and if the fusion state is a fusion of the at least two physiological parameter signals with the second physiological parameter signal is dominant, highlighting the second physiological parameter signal.

Physiological parameter signal fusion processing method, apparatus, and system

One variation of a method for identifying homology of physiological signals comprises: receiving signal data of two different types of physiological signals; performing waveform matching on the signal data of the two different types of physiological signals to determine waveform matching information in the signal data of the two types of physiological signals; calculating an associative feature between the signal data of the two different types of physiological signals according to the waveform matching information; calculating a homology reference coefficient corresponding to the two different types of physiological signals according to the associative feature; and determining that the two different types of physiological signals are homologous when the homology reference coefficient is greater than a preset value.

Method and apparatus for identifying homology of physiological signals

A carbon allotrope composite field effect artificial aurora generating device includes an extremely low frequency power supply cabinet, a carbon allotrope composite field effect device and a cuboid-shaped water tank. The carbon allotrope composite field effect device is formed by alternately and in parallel superimposing, in a form of parallel capacitors, a plurality of planar electrode plates made of a foamed nickel deposited with a carbon allotrope composite and a plurality of planar separators made of an insulating material. A first output wire of the extremely low frequency power supply cabinet is connected to odd-numbered planar electrode plates of the plurality of planar electrode plates through a first conductive rod, and a second output wire of the extremely low frequency power supply cabinet is connected to even-numbered planar electrode plates of the plurality of planar electrode plates through a second conductive rod.

Carbon allotrope composite field effect artificial aurora generating device

This disclosure relates to methods and apparatus for detecting respiratory rate. The method for detecting respiratory rate may include: sampling respiratory waveform data in a time sequence; detecting respiratory cycles from the sampled respiratory waveform data; calculating variation degree for the sampled respiratory waveform data; calculating base length base on the variation degree; calculating smoothed length base on the base length; calculating real-time degree for each respiratory cycle base on the variation degree, sequence number of each respiratory cycle, and the smoothed length; and calculating respiratory rate base on the smoothed length and the real-time degree.

Methods and apparatuses for detecting respiratory rate

Growing community of inventors

Shenzhen, China

Lihan Liu