[Development of a multi-channel physiological telemetry system].
OBJECTIVE
To develop an instrument used in measurement of physiological parameters in laboratories or field. Method A: computer was used to process data in the telemetry system. The frequency-time division modulation technique was adopted. The low frequency signals were directly connected to the computer serial port after demodulation, and measurement control was achieved by single-chip computer. Temperature measurement results were obtained by conversion table.


RESULTS
It is capable of telemeter and processing ECG, wind speed and temperature signals in real-time. Good results were gained in high temperature condition and -17 degrees C environment.


CONCLUSIONS
The instrument has many advantages, such as high accuracy, good processing ability, reliability, long operation distance, small volume and easy operation.
Lei
J Y
JY
Institute of Space Medico-Engineering, Beijing, China.
Chen
Y
Y
Zhang
X K
XK
Wu
J
J
Tian
Y Q
YQ
Qiu
Y B
YB
Chang
S Y
SY
D000337:Aerospace Medicine; D004562:Electrocardiography; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D018511:Systems Integration; D013686:Telemetry / Q000295:instrumentation*; D013696:Temperature; D014919:Wind