Multichannel/multimachine synchronous control system and method of near-infrared medicinal detector
A technology for synchronous control and detection channels, applied in medical science, diagnostic recording/measurement, diagnosis, etc., can solve complex problems, achieve the effects of simplifying identification, improving stability, and improving data time resolution
Active Publication Date: 2013-04-24
HUAZHONG UNIV OF SCI & TECH
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This type of method is more complicated, and it needs to implement master or slave control for each device, and communication between master and slave devices is required
In addition, it is also possible to obtain the synchronization point and delay the data by calculating and judging whether the multiple differences of the correlation peak forming function greater than the threshold are greater than the predetermined threshold, but this method is only applicable to the OFDM modulation system
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0037] Such as figure 1 As shown, the main structure of the multi-channel / multi-machine synchronous control system of the near-infrared medical detector of the present invention at least includes a control signal generation module 1, a signal branching module 2, a switch input interface 3, an external trigger start module 4, an external Trigger the termination module 5 and the data length adjustment module 6 .
[0038]In the multi-channel / multi-machine synchronous control system of the near-infrared medical detector of the present invention, the control signal generation module 1 is used to generate a digital signal for controlling synchronous start of data collection and a digital signal for controlling synchronous termination of data...
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The present invention discloses a multi-channel / multi-machine synchronous control system of a near-infrared medicine detector, pertaining to application technical field of near-infrared laser in biological medicine engineering. The system includes a control signal generating module, a signal splitter module, switching value input interfaces, an external trigger start module and an external trigger termination module. The control signal received by the control signal generating module is simultaneously transmitted to the corresponding switching value input interface of each detection channel through a signal splitter device, the external trigger start module and the external trigger termination module respectively access the interface and control the real time startup and terminating of the data acquisition based on the received signal, and suing a data length modulating module to modulate the acquired data length. In addition, the invention also discloses a multi-channel / multi-machinesynchronous control method of a near-infrared medicine detector. The present invention has advantages of capability of increasing time resolution, no requirement of identical sampling rate to each channel or each machine, higher availability and low response time, etc.
Description
technical field [0001] The invention relates to the technical field of near-infrared laser comprehensive application in biomedical engineering science, and relates to a multi-channel / multi-machine synchronous control system and method for a near-infrared medical detector. Background technique [0002] The use of near-infrared spectroscopy can non-invasively detect hemodynamic changes in human tissues. The diagnosis of abnormal diseases is of great significance. [0003] In recent years, near-infrared medical detection instruments suitable for clinical use have been developed at home and abroad, such as muscle oxygen detectors, breast detection imagers and brain function imagers. Most of these instruments have the advantages of portability, low price, non-ionizing radiation and detection under natural conditions. However, these instruments also have some problems at the same time, such as the data acquisition of each channel of the instrument with multi-channel design is no...
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IPC IPC(8): A61B5/00
Inventor 骆清铭龚辉李婷吕晓华
Owner HUAZHONG UNIV OF SCI & TECH