CN102613967B - Bioelectricity signal processing method and equipment - Google Patents

Bioelectricity signal processing method and equipment Download PDF

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CN102613967B
CN102613967B CN 201110460830 CN201110460830A CN102613967B CN 102613967 B CN102613967 B CN 102613967B CN 201110460830 CN201110460830 CN 201110460830 CN 201110460830 A CN201110460830 A CN 201110460830A CN 102613967 B CN102613967 B CN 102613967B
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pass filter
high
point
value
bioelectric
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CN102613967A (en )
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李德东
洪洁新
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深圳邦健生物医疗设备股份有限公司
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Abstract

本发明涉及生物电信号检测领域,尤其涉及一种生物电信号处理的方法和设备。 The present invention relates to detecting bioelectric signals, and more particularly relates to a method and apparatus for processing bioelectric signals. 该方法包括如下步骤:A、接收生物电采样信号;B、检测当前采样点是否存在极化电压;若否,执行步骤C;若是,执行步骤D;C、对当前采样点信号采用截止频率为PHz的第三高通滤波器进行滤波处理,得到所述采样点的生物电信号并输出,然后对下个采样点执行步骤B;D、当前采样点为起点往后T1时间内,处理所有采样点的生物电信号都为“0”并输出;以及对所述T1时间后的第一个采样点执行步骤B。 The method comprises the steps of: A, receiving a bioelectric signal samples; B, detecting the current sampling point is present polarization voltage; if not, step C; if yes, step D; C, using the signal of the current sampling point cutoff frequency PHz third high-pass filter performs a filtering process, to obtain a bioelectrical signal, and outputs the sample point, then the next step of sampling points B; D, the starting point of the current sampling time T1 later, the process all the sampling points bioelectrical signals are "0" and output; and a step of performing a first sampling point T1 after the time B. 本发明通过自动检测并处理极化电压,使输出生物电信号显示清楚且快速稳定,解决了现有技术问题。 The present invention, by automatically detecting and processing the polarization voltage, the output electrical signal display clear and rapid biological stability, solves the problem of the prior art.

Description

一种生物电信号处理的方法和设备 A method and apparatus for processing bioelectric signals

技术领域 FIELD

[0001] 本发明涉及生物电信号检测领域,尤其涉及一种生物电信号处理的方法和设备。 [0001] The present invention relates to detecting bioelectric signals, and more particularly relates to a method and apparatus for processing bioelectric signals. 背景技术 Background technique

[0002] 生物电检测是以人体或者其他生物体为对象实现生物电信号提取的一种宏观技术统称,当机体有生理反应时最先发生的是生物电反应,所以人体不同部位的生物电检测能记录反应相应部位的兴奋变化,也是临床诊断的重要依据。 [0002] A Macroscopic bioelectrical detection technique is based on a human or other organisms collectively called an object implementation bioelectric signal is extracted, when the body's physiological reaction occurred first bioelectrical reaction, the detection of different bio-electrical parts of the body excited to record changes in the corresponding parts of the reaction, but also an important basis for clinical diagnosis. 生物电信号很微弱几乎都主要集中在uV~mV级,并且不同信号在强弱上并不相等。 Very weak bioelectrical signal almost concentrated in uV ~ mV level, and different signals are not equal in strength. 生物电信号检测过程中存在很多干扰,例如工频干扰、极化电压干扰等。 There are many electrical signals interfere with the biological testing process, for example, frequency interference, interference polarization voltage. 目前,大多数生物电检测或者测量仪器都具有一定滤波功能。 Currently, most of the bio-electrical detection or measuring instruments have a certain filtering function. 但是该滤波功能对于极化电压干扰的滤除效果十分不理想。 However, the polarization voltage for filtering interference filtering effect is not ideal. 以心电图机为例,图1是采集的生物电采样信号的波形图。 Electrocardiogram machine, for example, FIG. 1 is a waveform diagram of the bioelectrical signal samples acquired. 图1中最左边的振幅很大(260mv左右)的信号为极化电压信号,后面振幅较小(-0.6mv-0.5mv左右)的波动信号为心电信号。 In Figure 1 the amplitude of the leftmost significant (about 260mV) polarization voltage signal to a signal, the rear small amplitude (-0.6mv-0.5mv left and right) signal fluctuations of the ECG signal. 图2是经过现有技术滤波处理后心电图机得到的心电信号波形图。 FIG 2 is a waveform diagram cardiac electrical signals after the filtering process prior art ECG obtained. 图2中,该心电信号出现了往上漂移的现象(图形上直观表现),出现了基线漂移,往往会压缩心电信号使其显示不清楚(图2中,每格代表2mv,而图1中,每格代表0.5mv),并且,该心电信号过了较长一段时间(IOs左右)才稳定下来。 In Figure 2, the ECG signal the emergence of the phenomenon (visual performance on graphics) upward drift, baseline drift occurs, it tends to compress ECG signal display is not clear (Figure 2, each cell represents 2mv, and Fig. 1, each cell represents 0.5mV), and the ECG signal over a long period of time (IOs about) was stabilized. 为了解决此问题,现有技术中往往通过增加复位键,通过使用者手动释放电极上的极化电压,快速减少极化电压,使心电信号波形尽快稳定。 To solve this problem, the prior art often by increasing the reset key, the user manually releases the polarization voltage on the electrode, the rapid decrease polarization voltage, as soon as possible so that a stable ECG waveform. 此种方法虽然可以解决问题,但是需要人工干预,增加了医生或护士的工作量。 Although this method can solve the problem, but the need for manual intervention, increase the workload of doctors or nurses. 同时存在一定隐患,万一医生或护士没有进行手动释放,那么得出的心电图会不清晰,可能导致医生的误判。 At the same time there are some risks, if there is no doctor or nurse for manual release, then will come the ECG is not clear, the doctor may result in miscarriage of justice.

发明内容 SUMMARY

[0003] 本发明为了解决现有技术中的缺乏自动处理极化电压的技术问题,提供一种生物电信号处理方法和设备,具体方案如下: [0003] In order to solve the technical problem of the present invention is the lack of automatic processing polarization voltage prior art, there is provided a bioelectric signal processing method and apparatus, specific programs as follows:

[0004] 一种生物电信号处理方法,包括如下步骤: [0004] A method of processing bioelectric signals, comprising the steps of:

[0005] A、接收生物电采样信号; [0005] A, receiving bioelectrical signal samples;

[0006] B、检测当前采样点是否存在极化电压;若否,执行步骤C ;若是,执行步骤D ; [0006] B, detects the current sampling point is present polarization voltage; if not, step C; if yes, step D;

[0007] C、对当前采样点信号采用截止频率为PHz第三高通滤波器进行滤波处理,得到所述采样点的生物电信号并输出,然后对下个采样点执行步骤B ; [0007] C, the current sampling point signals using frequency cutoff filtering is PHz third high pass filter, to obtain the biological sample point and outputs electric signals, and then samples the next step B;

[0008] D、当前采样点为起点往后Tl时间内,处理所有采样点的生物电信号都为“O”并输出;以及对所述Tl时间后的第一个采样点执行步骤B ;其中,在对所述Tl时间后的第一个采样点执行步骤B之前,步骤D还包括: [0008] D, a current sampling point as the starting point the next time Tl, the processing bioelectric signals are all sampling points "O" and output; and a step of performing a first sampling point B after the time Tl; wherein , prior to the step of performing a first sampling time point after the Tl B, step D further comprises:

[0009] 对所述Tl时间的前T2时间内采样点依次采用截止频率为RHz的第一高通滤波器滤波处理,并将最后一个处理值传送给第二高通滤波器,用于配置第二高通滤波器;然后对所述Tl时间剩余时间内采样点依次采用截止频率为SHz的第二高通滤波器滤波处理,并将最后一个处理值传送给所述第三高通滤波器,用于配置第三高通滤波器。 [0009] using a first order high-pass filter cut-off frequency of filter processing RHz time T2 of the front of the sample point of time Tl, and the last one processing value to the second high pass filter, a second high-pass configuration filter; then the remainder of the sample point of time Tl sequentially using a second high-pass filter cutoff frequency SHz process, and the last one processing value to said third high-pass filter for the third configuration a high pass filter.

[0010] 本发明提供的生物电信号处理设备,包括:[0011]接收模块,用于接收生物电采样信号; [0010] bioelectric signal processing apparatus provided by the present invention, comprising: [0011] a receiving module configured to receive the biological sample electrical signal;

[0012] 与接收模块连接的极化电压检测模块,用于检测生物电采样信号中是否存在极化电压; [0012] The receiving module is connected to the polarization voltage detecting means for detecting the presence of a polarization voltage bioelectrical sampled signal;

[0013] 与接收模块和极化电压检测模块连接的截止频率为PHz的第三高通滤波器,用于当检测生物电采样信号中不存在极化电压时,对所述检测的生物电采样信号进行滤波处理,得到生物电信号并输出;以及 [0013] The receiving module is connected to the cut-off frequency and the polarization voltage detection module is PHz third high pass filter, for when there is no polarization voltage detecting bioelectric sampled signal, the sampling signal of bioelectrical detected filter processing is performed to obtain the biological signal and outputs; and

[0014] 与接收模块和极化电压检测模块连接的极化处理模块,用于当检测生物电采样信号中存在极化电压时,存在极化电压的采样点为起点往后Tl时间内,处理所有采样点的生物电信号都处理为“O”并输出;其中,还包括: [0014] The polarization processing module is connected with the receiving module and the polarization voltage detecting module for detecting when there bioelectric polarization voltage sampling signal, the polarization voltage is present sampling point as the starting point the next time Tl, the process bioelectrical signal all the sampling points are treated as "O" and outputs; wherein, further comprising:

[0015] 与极化处理模块和第二高通滤波器连接的截止频率为RHz的第一高通滤波器,对所述Tl时间的前T2时间内采样点依次进行滤波处理,并将最后一个处理值传送给第二高通滤波器,用于配置第二高通滤波器;以及 [0015] The cutoff frequency of the module is connected to the polarization treatment and the second high pass filter is RHz a first high-pass filter, for the time T2 before the sampling point of time Tl sequentially filtered, and the last one processing value transmitted to the second high pass filter, a second high pass filter arranged; and

[0016] 与第一高通滤波器和第三高通滤波器连接的截止频率为SHz的第二高通滤波器,用于对所述Tl时间剩余时间内采样点依次进行滤波处理,并将最后一个处理值传送给所述第三高通滤波器,用于配置第三高通滤波器 [0016] The cutoff frequency of the highpass filter connected to the first and third high-pass filter is a second high pass filter SHz, for the remainder of the sample point of time Tl filtering process sequentially, and the last treatment value to said third high pass filter, a high pass filter for the configuration of the third

[0017] 有益效果: [0017] beneficial effects:

[0018] 本发明的生物电信号处理方法和设备,通过自动检测并处理极化电压,使输出生物电信号显示清晰且快速稳定,解决了现有技术问题。 [0018] bioelectric signal processing method and apparatus according to the present invention, by automatically detecting and processing the polarization voltage, the output electrical signal shows a clear and rapid biological stability, solves the problem of the prior art.

附图说明 BRIEF DESCRIPTION

[0019]图1是采集的生物电采样信号的波形图; [0019] FIG. 1 is a waveform diagram of the bioelectrical sampling signal acquisition;

[0020] 图2是经过现有技术滤波处`理后得到的生物电信号波形图; [0020] FIG. 2 is a waveform diagram bioelectrical signal after processing prior art `filtering the resultant;

[0021] 图3是本发明实施例的生物电信号处理方法流程图; [0021] FIG. 3 is a flowchart illustrating a bioelectrical signal processing method according to the present embodiment of the invention;

[0022] 图4是本发明实施例的极化电压检测方法流程图; [0022] FIG. 4 is a flowchart of a polarization voltage detecting method of an embodiment of the present invention;

[0023] 图5是本发明实施例的生物电信号处理设备结构图; [0023] FIG 5 is a configuration diagram of the bioelectric signal processing apparatus of an embodiment of the present invention;

[0024] 图6是本发明实施例的极化电压检测模块的结构图; [0024] FIG. 6 is a configuration diagram of the polarization voltage detection module according to embodiments of the present invention;

[0025] 图7是经过本发明实施例生物电信号处理方法处理后的生物电信号波形图。 [0025] FIG. 7 is a waveform diagram of an electric signal according to the biological bioelectrical signal processing method of the present invention through the embodiments.

具体实施方式 detailed description

[0026] 为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。 [0026] To make the objectives, technical solutions and advantages of the present invention will become more apparent hereinafter in conjunction with the accompanying drawings and embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0027] 本发明实施例所述及的生物电是由生物细胞电活动产生的,包括心电、脑电、肌电、神经电、胃电和眼电等等。 And the bioelectrical Example embodiment [0027] of the present invention is produced by the electrical activity of biological cells, including ECG, EEG, EMG, nerve, eye and gastric electrical power and the like.

[0028] 本发明实施例中生物电采样信号一般是指通过电极或者传感器采集,然后经过模拟放大、模拟滤波和模数转换得到的数字信号。 [0028] Example embodiments of the bioelectrical signal samples of the present invention generally refers to the sensor electrode or acquisition, then through the analog amplification, analog filtering and analog-digital conversion to obtain digital signals.

[0029] 下文描述中,该生物电采样信号为原始信号,生物电信号为经过处理的信号。 [0029] In the following description, the original sampled signal bioelectrical signal, the bioelectrical signal is processed signal.

[0030] 图3是本发明实施例的生物电信号处理方法流程图。 [0030] FIG. 3 is a bioelectrical signal processing method according to the present embodiment of the invention a flowchart. 图4是本发明实施例的极化电压检测方法流程图。 FIG 4 is a polarization voltage detecting method of an embodiment of the present invention a flowchart. 参照图3和图4,本发明实施例的生物电信号处理方法包括如下步骤: Referring to FIGS. 3 and 4, the bioelectrical signal processing method of an embodiment of the present invention comprises the steps of:

[0031] SOO、初始化。 [0031] SOO, initialization.

[0032] 本实施例优选采用本步骤。 [0032] According to the present preferred embodiment of the present step. 在某些实施例中,可以调用其他参数,可以省略本步骤。 In certain embodiments, can call other parameters, this step may be omitted.

[0033] 本实施例中使用的所有高通滤波器均为数字滤波器,因此,可以方便根据不同生物电信号进行参数调整,并且可以实现数字化处理,减小仪器体积。 [0033] All the high-pass filter of the present embodiment are used in embodiments of the digital filter, and therefore, can easily be adjusted according to different parameters bioelectric signals, and digital processing can be achieved, reducing the volume of the instrument.

[0034] 本实施例优选该所有数字滤波器的公式为Y (N) = c2*Y(N-1) + cl*( X(N)-X (N-1)), cl, c2为参数,cl、c2的取值范围均为大于O小于I。 Formula [0034] All of the preferred embodiment of the present embodiment is a digital filter Y (N) = c2 * Y (N-1) + cl * (X (N) -X (N-1)), cl, c2 for the parameter , cl, c2 were greater than the range of less than O I. 不同的滤波器差别在于cl和c2的不同。 The difference is that different filter cl and c2 are different. Y (N)是第N点滤波器处理结果值,Y (N-1)是第N-1点滤波器处理结果值,X (N)是第N点滤波器输入值,X (N-1)是第N-1点滤波器输入值,以达到运算量少、效率高的目的。 The Y (N) is the first N-point value filter processing result, Y (N-1) N-1 is the first point of the filter process result value, X (N) is the first N-point filter input values, X (N-1 ) is a filter having N-1 first input value, the operation amount in order to achieve high efficiency purposes.

[0035] 对于第三高通滤波器而言,第N点滤波器处理结果值即为第N点的生物电信号,第N点滤波器输入值即为第N点的生物电采样信号。 [0035] For the third high pass filter, the first N-point value is the result of the filter processing bioelectric signal points of N, N-th filter input value is the point bioelectrical signal of N sampling points. 第一高通滤波器和第二高通滤波器的处理值并不直接用于输出,而是用于传递参数,这也是本发明的亮点之一。 A first high-pass filter processing value and the second high pass filter output is not used directly, but is used to pass parameters, which is one of the highlights of the invention.

[0036] 本实施例优选第一高通滤波器、第二高通滤波器和第三高通滤波器一起使用,具体使用过程详细见下面描述,以使处理后得到的生物电信号显示更加清晰及以更快稳定,同时减少错误显示,减少误判概率。 [0036] The first preferred embodiment of the present embodiment a high pass filter, a second high-pass filter and a high pass filter with a third, see the specific use of the process described in detail below, so that the bioelectrical signal obtained after processing in a clearer and more fast and stable, while reducing error display, reducing the probability of false positives.

[0037] 在某些实施例中,可以不需要第一高通滤波器和第二高通滤波器,这样效果会稍差些,此时,X(N-1)、Y(N-1)是与当前处理点该第三高通滤波器最近一次的输入和输出。 [0037] In certain embodiments, the first high-pass filter may not be required and a second high-pass filter, so that the effect would be somewhat less, at this time, X (N-1), Y (N-1) is the third point of the current processing a high-pass filter input and output recently.

[0038] 本步骤中主要初始化第一高通滤波器、第二高通滤波器和第三高通滤波器的Cl、c2。 [0038] initializes the next step is a first high-pass filter, Cl second high pass filter and the third high pass filter, c2. 本实施例以处理心电信号·为例初始化如下参数:所述第一高通滤波器的Cl为0.8878、c2为0.7757,所述第二高通滤波器的Cl为0.9408、c2为0.8816,所述第三高通滤波器的Cl为0.9998、c2为0.9997,可以更加到位地去除极化电压,更加真实地反映所需数据。 In this embodiment, an example ECG signal-initialization following parameters: Cl of the first high pass filter is 0.8878, c2 is .7757, Cl and the second high-pass filter is 0.9408, c2 is 0.8816, the second Cl three high pass filter is 0.9998, c2 0.9997, more in place can be removed polarization voltage, truly reflect the required data.

[0039] 本步骤中,也初始化检测是否存在极化电压的端点值,为了使检测更加准确。 [0039] In this step, the initialization also detect the presence of the polarization voltage inclusive, in order to make the detection more accurately.

[0040] 本步骤中,也使其他参数恢复到初始值,例如,第三高通滤波器或第一高通滤波器初始的Y (O)、X (0),一般该Y (O)、X (O)为零,当然也可以根据需要改成别的数值,以方便开始本次处理。 [0040] In this step, also other parameters are restored to the initial value, e.g., Y initial third high-pass filter or a first high-pass filter (O), X (0), which is generally Y (O), X ( O) zero, of course, may be changed to another value as needed to facilitate the beginning of this process.

[0041] S10、接收生物电采样信号。 [0041] S10, the reception bioelectrical signal samples.

[0042] 接收生物电采样信号(原始信号),一般有一个缓冲器进行保存,以便后续使用。 [0042] The bio-electrical receiving signal samples (original signal), typically a buffer save it for later use. 为了方便数字化处理,该生物电采样信号一般为数字信号。 In order to facilitate digital processing, the bioelectrical signal is typically sampled to a digital signal.

[0043] S20、检测当前采样点是否存在极化电压。 [0043] S20, the detection current sampling point is present polarization voltage. 若否,执行步骤S30 ;若是,执行步骤S40 ; If not, proceed to step S30; if yes, step S40;

[0044] 请参阅图4,该检测当前采样点是否存在极化电压的方法如下: [0044] Referring to FIG 4, the present method for detecting whether a sample point current polarization voltage as follows:

[0045] S21、判断在生物电采样信号中以当前采样点为起点往回追述T时间内斜率大于第一阈值的采样点的第一数量是否大于M ;若否,执行步骤S24 ;若是,执行步骤S22 ; [0045] S21, it is determined in the biological sample the electrical signal to the current sampling point as a starting point traced back slope is greater than the first time T number of sampling points is greater than a first threshold value M; if not, step S24,; if yes, step S22;

[0046] 本步骤首先计算该T时间内采样点的斜率,然后统计斜率大于第一阈值的采样点的数量即第一数量,再后判断该第一数量是否大于M,最后,根据该判断结果,选择下步处理步骤。 [0046] In this step, firstly calculating the slope of the sampled points of time T, then a first number of sampling points is greater than the threshold value, i.e. the slope of a first statistical quantity, then after determining the first number is greater than M, and then, based on the determination result , select further process steps.

[0047] 该当前采样点的斜率计算公式为|d[i]-d[i_l] |,d[i]是当前采样点的采样值,d[1-l]是当前采样点之前一采样点的采样值;因此,对于第一个采样点来说,计算斜率时,就需要初始化d[0]的值,一般该d[0]的值为O,当然,也可以根据需要改成别的值,不然就会出现错误信息。 [0047] The slope of the current sampling point is calculated as | d [i] -d [i_l] |, d [i] is the sample value of the current sampling point, d [1-l] is a sampling point before the current sampling point sampling values; thus, for the first sample point, calculating the slope, it is necessary to initialize d [0] value, typically the d [0] a value of O, of course, may be changed to another as required value, otherwise there will be an error message.

[0048] T的取值范围为5ms到21ms,M的取值为4或者3或者2,所述第一阈值的取值范围是60到168。 [0048] T is in the range 5ms to 21ms, the value of M is 2 or 3 or 4, the first threshold value range is 60-168. 本实施例中优选该第一阈值为166.7,该T为10ms,该M值为2,可以减少运算量,节约时间。 In a preferred embodiment of the first embodiment of the present threshold value is 166.7, the T is 10ms, the M is 2, the amount of computation can be reduced, saving time.

[0049] 若当前采样点与采样信号起始点之间的时间长度小于IOms时,以当前采样点与起始点之间的采样点作为对象进行处理。 [0049] If the length of time between the current sampling point and the starting point of the signal sample is less than IOms, processed in samples between the current sampling point as the start point object.

[0050] S22、判断该T时间内采样值大于第二阈值的第二数量是否大于N ;若否,执行步骤S24 ;若是,执行步骤S23 ; [0050] S22, the determination of the sampling time T a value greater than the second number is greater than a second threshold value N; if not, step S24,; if yes, executing step S23;

[0051] 本步骤首先统计采样值斜率大于第二阈值的采样点的数量即第二数量,然后判断该第二数量是否大于N,最后根据该判断结果,选择下步处理步骤。 [0051] In this step, firstly counting the number of sampling points of the sample value of the second threshold value is greater than the slope that is the second number, and then determining the second number is greater than N, the final result based on the determination, the step of selecting the processing step.

[0052] 该第二阈值为第一阈值的一半,该N的取值为4或者3或者2。 [0052] The second threshold value is half the first threshold value, the value of N is 2 or 3 or 4. 本实施例优选,该第二阈值为83.35,该N值与M值一样为2。 Preferred embodiment of the present embodiment, the second threshold value is 83.35, the value of N 2 and M is the same value.

[0053] S23、给出当前采样点存在极化电压的信息; [0053] S23, the presence information is given polarization voltage current sampling point;

[0054] S24、给出当前采样点不存在极化电压的信息。 [0054] S24, the information gives the polarization voltage current sampling point does not exist.

[0055] 通过步骤S23、S24将是否存在极化电压的信息输出。 [0055] through steps S23, S24 whether or not the presence information of the polarization voltage output.

[0056] S30、当接收到当前采样点不存在极化电压的信息时,对当前采样点的生物电采样信号采用截止频率为PHz的第三高通滤波器进行滤波处理,得到该当前采样点的生物电信号并输出,然后对下个采样点执行步骤S20。 [0056] S30, when receiving the information of the polarization voltage sampling point there is no current, the current sampling point for sampling the electrical signal using a biological cut-off frequency for the filtering process PHz third high pass filter, to obtain the current sampling point biological signal and outputs, then step S20 is executed for the next sampling point.

[0057] 该第三高通滤波器是用于滤除其他干扰,优选该第三高通滤波器的截止频率PHz的取值范围0.04Hz到0.06Hz。 [0057] The third high-pass filter is used to filter out other interference, the cutoff frequency in the range of preferably PHz the third high-pass filter to 0.04Hz 0.06Hz. 该第三高通滤波器的公式为Y (N) = 0.9998*Y(N-1) + The formula third high pass filter is Y (N) = 0.9998 * Y (N-1) +

0.9997* ( X(N) -X (N-1)),此时该截止频率PHz为0.05Hz,效果尤佳。 0.9997 * (X (N) -X (N-1)), at which time the cut-off frequency of PHz 0.05Hz, best effects.

[0058] S40、当前采样点为起点往后Tl时间内,所有采样点的生物电信号都处理为“O”并输出。 [0058] S40, the current sampling point as the starting point the next time Tl, all the sampling points of bioelectrical signals are treated as "O" and output.

[0059] 若当前采样点存在极化电压时,一般会认为从当前采样点的时刻起往后面Tl时间内接收到的生物电采样信号都存在极化电压信号,因此,对这些采样点进行赋“O”值处理并将该“O”值输出成为这些采样点生物电信号,消除极化电压并且消除了极化电压对后续心电信号的干扰。 [0059] If the polarization voltage current sampling point is present, generally considered received back to the time Tl from the time of the current sampling point are present bioelectric polarization voltage signal sampled signal, thus forming these sampling points "O" and the processing value "O" output becomes the value of the bioelectric signal samples, and eliminates the polarization voltage to eliminate polarization voltage disturbance subsequent ECG. 该Tl时间的范围为160ms到240ms,本实施例优选200ms,达到输出生物电信号快速稳定和显示波形清晰的效果。 Tl is the time range 160ms to 240ms, 200ms preferred embodiment of the present embodiment, the bioelectric signal reaches the output waveform display clear and rapid stabilization effect.

[0060] 本实施例的生物电信号处理方法,从检测到处理都需要一定时间,因此对于极化电压存在开始时会有处理不及时的现象,例如图7里面开始时的振幅很高的黑色区域,这是允许的。 Bioelectrical signal processing method [0060] according to the present embodiment, from the detected process requires a certain time, and therefore polarization voltage for the present process will not start in time phenomenon, high amplitude when e.g. FIG. 7 starts inside the black area, which is allowed. 图7是经过本发明实施例生物电信号处理方法处理后的生物电信号波形图。 FIG 7 is a waveform diagram of an electric signal according to the biological bioelectrical signal processing method of the present invention through the embodiments.

[0061] S50、对所述Tl时间的前T2时间内采样点依次采用截止频率为RHz的第一高通滤波器滤波处理,并将最后一个处理值传送给第二高通滤波器,用于配置第二高通滤波器;然后对所述Tl时间剩余时间内采样点依次采用截止频率为SHz的第二高通滤波器滤波处理,并将最后一个处理值传送给所述第三高通滤波器,用于配置第三高通滤波器。 [0061] S50, sequentially using a first high-pass filter cut-off frequency of filter processing RHz time T2 of the front of the sample point of time Tl, and the last one processing value to the second high pass filter, arranged for the first two high-pass filter; and then the remainder of the sample point of time Tl sequentially using a second high-pass filter cutoff frequency SHz process, and the last one processing value is transferred to the third high pass filter, for configuring The third high-pass filter.

[0062] 本步骤是本实施例优选采用的步骤,在某些实施例中可以没有。 [0062] This step is a step of the present embodiment is preferably used, in certain embodiments there may be no. 采用本步骤的优点在于,若该Tl时间后的第一采样点不存在极化电压时,根据上面数字滤波器的公式可以知道,对该第一采样点的进行处理第三高通滤波器的Y (N-1)和X(N-1)值就可以通过第一高通滤波器和第二高通滤波器传递得到,保证了波形的延续性和信号前后的关联性,提高处理精度。 The advantage of using this procedure is that, if the first sampling point of time Tl after the polarization voltage is not present, the digital filter according to the above formula can know, Y a first sampling point of the third high-pass filter process (N-1) and X (N-1) value can be obtained by first high pass filter and second high pass filter is transmitted, to ensure the continuity and correlation signal waveforms before and after improving the processing accuracy.

[0063] 本实施例中T2的取值大小对处理结果也是很明显的,T2的取值范围78ms到129ms,优选T2为100ms。 [0063] In the present embodiment, the size of the value T2 of the processing result is very significant, in the range of 78ms to 129ms T2, T2 is preferably 100ms. 一般该R的取值范围为36到46、S的取值范围为16到26,已达到较好传递参数效果。 Usually the range is 36 to 46 R, S in the range of 16 to 26, it has the effect to achieve better transmission parameters.

[0064]优选第一高通滤波器的公式为 Y (N)= 0.8878*Y (N-1) + 0.7757* ( X(N)-X (N-1)),此时该截止频率RHz为40Hz。 [0064] Preferably, the first high-pass filter equation for Y (N) = 0.8878 * Y (N-1) + 0.7757 * (X (N) -X (N-1)), at which time the cut-off frequency of 40Hz RHz .

[0065]优选第二 高通滤波器的公式为Y (N)= 0.9408*Y(N-1) + 0.8816*( X(N)-X(N-1)),此时该截止频率SHz为20Hz。 Formula [0065] Preferably, the second high-pass filter is Y (N) = 0.9408 * Y (N-1) + 0.8816 * (X (N) -X (N-1)), at which time the cut-off frequency of 20Hz SHz .

[0066] 该第一高通滤波器和第二高通滤波器的选取是为了取得较好的处理效果。 [0066] The first high pass filter and a second high-pass filter selection is to obtain better treatment results.

[0067] S60、对所述Tl时间后的第一个采样点执行步骤S20。 [0067] S60, S20 of the first step of the sampling point after time Tl.

[0068] 这样保证了处理的延续性,不会出现间断。 [0068] This ensures continuity of treatment, will not be interrupted.

[0069] 图5是本发明实施例的生物电信号处理设备结构图。 [0069] FIG 5 is a configuration diagram of the bioelectric signal processing apparatus of an embodiment of the present invention. 图6是本发明实施例的极化电压检测模块的结构图。 FIG 6 is a configuration diagram of the polarization voltage detection module according to embodiments of the present invention. 参照图5、图6,提出本发明实施例一种生物电信号处理设备。 Referring to FIG. 5, FIG. 6, proposed embodiment of a bioelectric signal processing apparatus according to the present invention. 该设备包括接收模块100、极化电压检测模块200、第三高通滤波器300、极化处理模块400、第一高通滤波器500和第二高通滤波器600。 The apparatus comprises a receiving module 100, the polarization voltage detecting module 200, a third high pass filter 300, the polarization processing module 400, a first high-pass filter 500 and second high pass filter 600.

[0070] 该接收模块100,用于接收生物电采样信号;接收的生物电采样信号(原始信号),一般有一个缓冲器进行保存,以便后续使`用。 [0070] The receiving module 100 for receiving a bioelectric signal samples; samples received bioelectric signal (original signal), typically a buffer saved for subsequent use to make `. 为了方便数字化处理,该生物电采样信号一般为数字信号。 In order to facilitate digital processing, the bioelectrical signal is typically sampled to a digital signal.

[0071 ] 该极化电压检测模块200,与接收模块100连接,用于检测生物电采样信号中是否存在极化电压; [0071] The polarization voltage detecting module 200, connected with the receiving module 100, for detecting the presence of a polarization voltage bioelectrical sampled signal;

[0072] 本实施例的所述极化电压检测模块200包括计算单元210、第一判断单元220、第二判断单元230、第一输出单元240和第二输出单元250。 [0072] The present polarization voltage detection module 200 of the embodiment includes a calculation unit 210, a first determining unit 220, a second determining unit 230, a first and a second output unit 240 output unit 250.

[0073] 该计算单元210,与接收模块100连接,用于计算生物电采样信号的斜率。 [0073] The calculation unit 210, 100 is connected with the receiving module, for calculating the slope of the sampled signal bioelectric.

[0074] 该计算单元210的计算斜率的公式为|d[i]-d[i_l] |,d[i]是当前采样点的采样值,d[1-1]是当前采样点之前一采样点的采样值;对于第一个采样点来说,计算斜率时,就需要初始化d[0]的值,一般该d[0]的值为0,当然,也可以根据需要改成别的值,不然就会出现错误信息,因此,本实施例的生物电信号处理设备在开始使用时需要进行初始化。 [0074] The equation computing unit 210 to calculate the slope | d [i] -d [i_l] |, d [i] is the sample value of the current sampling point, d [1-1] is a sample before the current sampling point sample point value; for the first sample point, calculating the slope, it is necessary to initialize D [0] value, which is generally D [0] is 0, of course, may be changed to another value as needed , otherwise there will be an error message, and therefore, the bioelectric signal processing apparatus according to the present embodiment need to be initialized upon start of use.

[0075] 由于本发明实施例的高通滤波器均为数字滤波器,该数字滤波器的公式为:Y (N)=c2*Y(N-1) + cl*( X(N) -X(N-1)),Y (N)是第N 点滤波器处理结果值,Y (N-1)是第N-1点滤波器处理结果值,X (N)是第N点滤波器输入值,X (N-1)是第N-1点滤波器输入值,cl、c2为参数,cl、c2的取值范围均为大于O小于1,所以在初始化时,需要对各高通滤波器的cl、c2等参数进行初始化。 [0075] Since the highpass filter of the present invention are embodiments of a digital filter, the digital filter is the formula: Y (N) = c2 * Y (N-1) + cl * (X (N) -X ( N-1)), Y (N) is the first N-point value filter processing result, Y (N-1) N-1 is the first point of the filter process result value, X (N) is the first N-point filter input values , X-(N-1) is a filter having N-1 first input value, cl, c2 parameter, cl, c2 are in the range of greater than O is less than 1, so that during initialization, the need for each of the high-pass filter cl, c2 and other parameters are initialized.

[0076] 该第一判断单元220,与计算单元210连接,用于判断连续T时间内斜率大于第一阈值的采样点的第一数量是否大于M。 [0076] The first determining unit 220, the calculation unit 210 is connected, for a first determined number of sampling points in successive time T slope is greater than a first threshold value is greater than M.

[0077] 该连续的T时间本实施例是指以当前采样点为起点往回追述的T时间。 [0077] The continuous time T of the present embodiment refers to the current sampling point traced back to a starting point of time T.

[0078] 该第一判断单元220需要先统计斜率大于第一阈值的采样点的数量即第一数量,再后判断该第一数量是否大于M。 Quantity [0078] The first determination unit 220 need statistical sampling point slope is greater than a first threshold value, i.e., a first quantity, then after determining the first number is greater than M. T的取值范围为5ms到21ms,M的取值为4或者3或者2,所述第一阈值的取值范围是60到168。 T is in the range 5ms to 21ms, the value of M is 2 or 3 or 4, the first threshold value range is 60-168. 本实施例中优选该第一阈值为166.7,该T为10ms,该M值为2,可以减少运算量,节约时间。 In a preferred embodiment of the first embodiment of the present threshold value is 166.7, the T is 10ms, the M is 2, the amount of computation can be reduced, saving time. 若当前采样点与采样信号起始点之间的时间长度小于IOms时,计算单元210和第一判断单元220以当前采样点与起始点之间的采样点作为对象进行处理。 If the length of time between the current sampling point and the starting point of the signal sample is less than IOms, a first calculation unit 210 and the judging unit 220 is processed to sample point between the current sampling point as the start point object.

[0079] 该第二判断单元230,与第一判断单元220连接,用于当第一判断单元220输出“是”时,判断所述T时间内采样值大于第二阈值的采样点的第二数量是否大于N ; [0079] The second determining unit 230, 220 is connected to the first determining unit configured to, when the first judgment unit 220 outputs "Yes", the judgment time T within the sample value is greater than the second sampling point value of the second threshold the number is greater than N;

[0080] 该第二判断单元230需要首先统计采样值斜率大于第二阈值的采样点的数量即第二数量,然后判断该第二数量是否大于N。 [0080] The second determination unit 230 need to count the number of sampling points of the sample value of the second threshold value is greater than the slope that is the second number, and then determining whether the second number is greater than N.

[0081] 该第二阈值为第一阈值的一半,该N的取值为4或者3或者2。 [0081] The second threshold value is half the first threshold value, the value of N is 2 or 3 or 4. 本实施例优选,该第二阈值为83.35,该N值与M值一样为2。 Preferred embodiment of the present embodiment, the second threshold value is 83.35, the value of N 2 and M is the same value.

[0082] 该第一输出单元240,与第一判断单元220和第二判断单元230连接,用于当第一判断单元220或者第二判断单元230输出“否”时,给出当前采样点不存在极化电压的信息; [0082] The first output unit 240, judgment unit 220 is connected to the first and second determining means 230 for, when the first determination unit 230 outputs a second determination unit 220 or the "No", the current sampling point is not given presence information of the polarization voltage;

[0083] 第二输出单元250,与第二判断单元230连接,用于当第二判断单元230输出“是”时,给出生物电采样信号存在极化电压的信息。 [0083] The second output unit 250, 230 connected to the second determination unit for, when the second determining unit 230 outputs "Yes", the presence information is given bioelectrical polarization voltage sampling signal.

[0084] 该极化电压检测模块200通过第一输出单元240、第二输出单元250将检测结果输出。 [0084] The polarization voltage detecting module 200 240, 250 by the first detection result output unit outputs a second output unit.

[0085] 该第三高通滤波器300,截止频率为PHz,与接收模块100和极化电压检测模块200连接,用于当检测生物电采样信号中不存在极化电压时,对所述检测的生物电采样信号进行滤波处理,并输出该采样点处理后的生物电信号; [0085] The third high-pass filter 300, PHz cutoff frequency, the reception module 100 and connected to the polarization voltage detecting module 200, for detecting the absence when the polarization voltage sampling bioelectrical signal, said detected bioelectrical filtering the sampling signal, and outputs the bio-electrical signal sampling point process;

[0086] 该第三高通滤波器300是用于滤除其他干扰,优选该第三高通滤波器300的截止频率PHz的取值范围0.04Hz到0.06Hz。 [0086] The third high-pass filter 300 is used to filter out other interference, in the range 300 and the third high pass filter cutoff frequency is preferably PHz 0.04Hz to 0.06Hz. 该第三高通滤波器300的公式为Y (N) = The formula third high pass filter 300 is Y (N) =

0.9998*Y (N-1) + 0.9997* ( X(N) _X (N-1)),此时该截止频率PHz 为0.05Hz,效果尤佳。 0.9998 * Y (N-1) + 0.9997 * (X (N) _X (N-1)), at which time the cut-off frequency of PHz 0.05Hz, best effects.

[0087] 该极化处理模块400,与接收模块100和极化电压检测模块200连接,用于当检测生物电采样信号中存在极化电压时,以存在极化电压采样点为起点往后Tl时间内,所有采样点的生物电信号都处理为“O”并输出; [0087] The polarization processing module 400, and the reception module 100 and connected to the polarization voltage detecting module 200, a polarization voltage is present when detecting the bioelectrical signal samples, the polarization voltage is present next sampling point as a start point Tl time, all the sampling points of bioelectrical signal are treated as "O" and outputs;

[0088] 若当前采样点存在极化电压时,一般会认为从当前采样点的时刻起往后面Tl时间内接收到的生物电采样信号都存在极化电压信号,因此,对这些采样点进行赋“O”值处理并将该“O”值输出成为这些采样点生物电信号,消除极化电压并且消除了极化电压对后续心电信号的干扰。 [0088] If the polarization voltage current sampling point is present, generally considered received back to the time Tl from the time of the current sampling point are present bioelectric polarization voltage signal sampled signal, thus forming these sampling points "O" and the processing value "O" output becomes the value of the bioelectric signal samples, and eliminates the polarization voltage to eliminate polarization voltage disturbance subsequent ECG. 该Tl时间的范围为160ms到240ms,本实施例优选200ms,达到输出生物电信号快速稳定和显示波形清晰的效果。 Tl is the time range 160ms to 240ms, 200ms preferred embodiment of the present embodiment, the bioelectric signal reaches the output waveform display clear and rapid stabilization effect.

[0089] 该第一高通滤波器500,截止频率为RHz,与极化处理模块200和第二高通滤波器600连接,用于对所述Tl时间的前T2时间内采样点依次进行滤波处理,并将最后一个处理值传送给第二高通滤波器,用于配置第二高通滤波器; [0089] The first high-pass filter 500, RHZ cutoff frequency, the polarization processing module 200 is connected and a second high-pass filter 600, for the time T2 before the sampling point Tl time filter processing is performed sequentially, and the last one processing value to the second high pass filter, a second high pass filter arranged;

[0090] 该第二高通滤波器600,截止频率为SHz,与第一高通滤波器500和第三高通滤波器300连接,用于对所述Tl时间剩余时间内采样点依次进行滤波处理,并将所述第二高通滤波器最后一个处理值传送给所述第三高通滤波器300,用于配置第三高通滤波器300。 [0090] The second high-pass filter 600, the cutoff frequency of SHZ, connected to the first high-pass filter 500 and the third high-pass filter 300, for the remainder of the sample point of time Tl sequentially filtering process, and the second high-pass filter processing value last transmitted to the third high pass filter 300, a configuration of the third high pass filter 300.

[0091] 该第一高通滤波器500和第二高通滤波器600是本实施例优选采用的模块,采用该两个高通滤波器的优点在于,若该Tl时间后的第一采样点不存在极化电压时,根据上面数字滤波器的公式可以知道,对该第一采样点的进行处理第三高通滤波器的Y (N-1)和X(N-1)值就可以通过第一高通滤波器和第二高通滤波器传递得到,保证了波形的延续性和信号前后的关联性,提高处理精度。 Advantages [0091] The first high-pass filter 500 and second high pass filter module 600 of the present embodiment is a preferable embodiment, the two high-pass filter employed in that, after the first sampling point if there is no time the Tl electrode when a voltage of, the digital filter according to the above formula can be known, the processing of a first sampling point in the third high-pass filter Y (N-1) X (N-1) by the first value is a high-pass filtering and and a second high-pass filter transfer obtained, ensuring the continuity and correlation signal waveforms before and after improving the processing accuracy.

[0092] 在某些实施例中可以没有该两个高通滤波器,这样效果会稍差些,此时,X(N-1)、Y(N-1)是与当前处理点该第三高通滤波器最近一次的输入和输出。 [0092] In certain embodiments may not have the two high-pass filters, so that the effect would be somewhat less, at this time, X (N-1), Y (N-1) is the current processing spot third highpass a filter input and output recently.

[0093] 本实施例中T2的取值大小对处理结果也是很明显的,T2的取值范围78ms到129ms,优选T2为100ms。 [0093] In the present embodiment, the size of the value T2 of the processing result is very significant, in the range of 78ms to 129ms T2, T2 is preferably 100ms. 一般该R的取值范围为36到46、S的取值范围为16到26,已达到较好传递参数效果。 Usually the range is 36 to 46 R, S in the range of 16 to 26, it has the effect to achieve better transmission parameters.

[0094]优选第一高通滤波器 500 的公式为Y (N) = 0.8878*Y(N-1) + 0.7757*( X(N)-X (N-1)),此时该截止频率RHz为40Hz。 [0094] Preferably, the first high-pass filter 500 of the formula Y (N) = 0.8878 * Y (N-1) + 0.7757 * (X (N) -X (N-1)), at which time the cut-off frequency of RHz 40Hz.

[0095]优选第二高通滤波器 600 的公式为Y (N) = 0.9408*Y(N-1) + 0.8816*( X(N)-X (N-1)),此时该截止频率SHz为20Hz。 [0095] Preferably, the second high-pass filter 600 of the formula Y (N) = 0.9408 * Y (N-1) + 0.8816 * (X (N) -X (N-1)), at which time the cut-off frequency of SHz 20Hz.

[0096] 该第一高通滤波器和第二高通滤波器的选取是为了取得较好的处理效果。 [0096] The first high pass filter and a second high-pass filter selection is to obtain better treatment results.

[0097] 图7是本实施例的生物电信号处理方法和设备处理后的生物电信号波形图,该图可以通过MATLAB模拟得到。 [0097] FIG. 7 is a waveform diagram of the electric signal after the biological bioelectric signal processing method and apparatus according to the present embodiment of the process, this figure can be obtained by a MATLAB simulation. 从图7中可以得到,该生物电信号波形在不到2S的时间就稳定了,较现有技术中IOS缩短了很多。 Can be obtained from Figure 7, the bioelectrical signal waveform is less than 2S stabilizes, IOS shortened over the prior art a lot. 同时,该生物电信号波形没有发生基线漂移并没有压缩振幅,能够清晰反映正常的生物电信号。 Meanwhile, the bioelectrical signal waveform baseline shift does not occur and the amplitude compression is not possible to clearly reflect the normal biological electric signal. 因此,本发明通过自动检测并处理极化电压,使输出生物电信号显示清晰且快速稳定,解决了现有技术问题。 Accordingly, the present invention is automatically detected and processed by the polarization voltage, the output electrical signal shows a clear and rapid biological stability, solves the problem of the prior art.

[0098] 以上对本发明提供的生物电信号处理方法和设备进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。 [0098] The foregoing bioelectric signal processing method and apparatus provided by the invention are described in detail herein through specific examples of the principles and embodiments of the present invention have been set forth in the above description of embodiments merely understood that the present invention is used to help the core idea; Meanwhile, those of ordinary skill in the art, according to the ideas of the present invention, there are modifications to the specific embodiments and application scope of the specification shall not be construed as the present invention. limit.

Claims (12)

  1. 1.一种生物电信号处理方法,包括如下步骤: A、接收生物电采样信号; B、检测当前采样点是否存在极化电压;若否,执行步骤C ;若是,执行步骤D ; C、对当前采样点信号采用截止频率为PHz的第三高通滤波器进行滤波处理,得到所述采样点的生物电信号并输出,然后对下个采样点执行步骤B ; D、当前采样点为起点往后Tl时间内,处理所有采样点的生物电信号都为“O”并输出;以及对所述Tl时间后的第一个采样点执行步骤B;其特征在于,在对所述Tl时间后的第一个采样点执行步骤B之前,步骤D还包括:对所述Tl时间的前T2时间内采样点依次采用截止频率为RHz的第一高通滤波器滤波处理,并将最后一个处理值传送给第二高通滤波器,用于配置第二高通滤波器;然后对所述Tl时间剩余时间内采样点依次采用截止频率为SHz的第二高通滤波器滤波处理,并将最后一个 CLAIMS 1. A method of processing bioelectric signals, comprising the steps of: A, receiving a bioelectric signal samples; B, detecting the current sampling point is present polarization voltage; if not, step C; if yes, step D; C, for current sampling point signals using a cutoff frequency of filter processing PHz third high pass filter, to obtain the biological sample point and outputs electric signals, and then samples the next step B; D, starting from the current sampling point later the time Tl, the process all the sampling points of bioelectrical signals are "O" and output; and a step of performing a first sampling point B after the time Tl; wherein, after said first time Tl a sample point before executing step B, step D further comprises: prior to the time Tl to the time T2 of samples sequentially using a first cutoff frequency of the high pass filter process RHz, and the last value to the first processing two high-pass filter, a second high pass filter arranged; then said remaining time period Tl samples sequentially using a second high-pass filter cutoff frequency SHz process, and a final 理值传送给所述第三高通滤波器,用于配置第三高通滤波器。 Li value to said third high pass filter, a high pass filter for the third configuration.
  2. 2.如权利要求1所述生物电信号处理方法,其特征在于,P的取值范围为0.04到0.06,R的取值范围为36到46,S的取值范围为16到26,Tl的取值范围为160ms到240ms,T2的取值范围78ms到129ms。 2. bioelectric signal processing method according to claim 1, wherein P is in the range from 0.04 to 0.06, R is the range from 36 to 46, S in the range of 16 to 26, Tl of in the range of 160ms to 240ms, T2 is in the range 78ms to 129ms.
  3. 3.如权利要求1所述生物电信号处理方法,其特征在于,所述高通滤波器均为数字滤波器,该数字滤波器的公式为:Y (N) = c2*Y(N-1) + cl*( X(N) -X(N-1)), Y (N)是第N点滤波器处理结果值,Y (N-1)是第N-1点滤波器处理结果值,X (N)是第N点滤波器输入值,X (N-1)是第N-1点滤波器输入值,Cl、c2为参数,Cl、c2的取值范围均为大于O小于1 3. The bioelectric signal processing method according to claim 1, wherein the high pass filter are digital filters, the digital filter is the formula: Y (N) = c2 * Y (N-1) + cl * (X (N) -X (N-1)), Y (N) is the first N-point value filter processing result, Y (N-1) N-1 is the first point of the filter process result value, X (N) is the first N-point filter input values, X (N-1) is the first N-1-point filter input values, Cl, c2 parameter, Cl, c2 in the range of less than 1 are greater than O
  4. 4.如权利要求3所述生物电信号处理方法,其特征在于,所述第一高通滤波器的Cl为0.8878、c2为0.7757,所述第二高通滤波器的cl为0.9408、c2为0.8816,所述第三高通滤波器的Cl 为0.9998、c2 为0.9997。 4. The bioelectric signal processing method of claim 3, wherein, Cl said first high-pass filter is 0.8878, c2 is 0.7757, cl said second high-pass filter is 0.9408, c2 is 0.8816, Cl and the third high-pass filter is 0.9998, c2 0.9997.
  5. 5.如权利要求1所述生物电信号处理方法,其特征在于,检测当前采样点信号是否存在极化电压的方法如下: BH、判断在生物电采样信号中以当前采样点为起点往回追述T时间内斜率大于第一阈值的采样点的第一数量是否大于M ;若否,执行步骤B13 ;若是,执行步骤B12 ; B12、判断所述T时间内采样值大于第二阈值的第二数量是否大于N ;若否,执行步骤B13 ;若是,执行步骤B14 ; B13、给出当前采样点不存在极化电压的信息; B14、给出当前采样点存在极化电压的信息。 The bioelectric signal processing method according to claim 1, characterized in that the method for detecting the presence of a current sampling point polarization voltage signal is as follows: BH, the current sampling point is determined as the starting point traced back in the bioelectrical sampled signal the first slope is greater than the number of time T a first sample point is greater than the threshold value M; if not, step B13; B12 second number, within the time T is determined sampled value is greater than a second threshold; if yes, step B12 is greater than N; if not, step B13; if yes, step B14; B13, give information polarization voltage current sampling point is not present; B14, the presence information is given polarization voltage current sampling point.
  6. 6.如权利要求5所述生物电信号处理方法,其特征在于,所述斜率计算公式为d[i]-d[1-1] |,d[i]是当前采样点的采样值,d[1-1]是当前采样点之前一采样点的采样值;τ的取值范围为5ms到21ms,M的取值为4或者3或者2,N的取值为4或者3或者2,所述第一阈值的取值范围是60到168,所述第二阈值为第一阈值的一半。 6. The method of processing bioelectric signals as claimed in claim 5, wherein the slope is calculated as d [i] -d [1-1] |, d [i] is the sample value of the current sampling point, d [1-1] is a sample value before the current sampling point a sampling point; τ is in the range 5ms to 21ms, the value of M is 3 or 4, or 2, N is a value of 2 or 3 or 4, the said first threshold value range is 60 to 168, the second half of the first threshold value is a threshold value.
  7. 7.—种生物电信号处理设备,包括: 接收模块,用于接收生物电采样信号; 与接收模块连接的极化电压检测模块,用于检测生物电采样信号中是否存在极化电压;与接收模块和极化电压检测模块连接的截止频率为PHz的第三高通滤波器,用于当检测生物电采样信号中不存在极化电压时,对所述检测的生物电采样信号进行滤波处理,得到生物电信号并输出;以及与接收模块和极化电压检测模块连接的极化处理模块,用于当检测生物电采样信号中存在极化电压时,存在极化电压的采样点为起点往后Tl时间内,处理所有采样点的生物电信号都处理为“O”并输出;其特征在于,还包括: 与极化处理模块和第二高通滤波器连接的截止频率为RHz的第一高通滤波器,对所述Tl时间的前T2时间内采样点依次进行滤波处理,并将最后一个处理值传送给第二高通滤波器,用 7.- species bioelectric signal processing apparatus, comprising: a receiving module configured to receive the biological sample electrical signal; receiving module connected to the polarization voltage detecting means for detecting whether there is a polarization voltage bioelectric sampled signal; receiving and cutoff frequency module and a detection module connected to the polarization voltage is PHz third high pass filter, for when there is no polarization voltage detecting bioelectric sampled signal, sampling of the bioelectrical signal of the detector performs a filtering process, to obtain and bioelectrical signal output; and polarization processing module is connected with the receiving module and the polarization voltage detecting module for detecting when there bioelectric polarization voltage sampled signal, the presence of the polarization voltage samples starting next Tl time, all the sampling points of the processing bioelectric signals are treated as "O" and outputs; characterized by, further comprising: a cut-off frequency is connected to the polarization treatment module and a second high pass filter is a first high-pass filter RHz , for the time T2 before the sampling time points Tl successively filtered, and the last one processing value to the second high-pass filter, with 配置第二高通滤波器;以及与第一高通滤波器和第三高通滤波器连接的截止频率为SHz的第二高通滤波器,用于对所述Tl时间剩余时间内采样点依次进行滤波处理,并将最后一个处理值传送给所述第三高通滤波器,用于配置第三高通滤波器。 Configuration of the second high-pass filter; and a cutoff frequency of high pass filter connected to the first and third high-pass filter is a second high pass filter SHz, for the remainder of the sample point of time Tl sequentially filtering process, and the last one processing value is transferred to the third high pass filter, a high pass filter for the third configuration.
  8. 8.如权利要求7所述的生物电信号处理设备,其特征在于,P的取值范围为0.04到0.06,R的取值范围为36到46,S的取值范围为16到26,Tl的取值范围为160ms到240ms,T2的取值范围78ms到129ms ο 8. The bioelectric signal processing apparatus according to claim 7, wherein P is in the range from 0.04 to 0.06, R is the range from 36 to 46, S in the range of 16 to 26, Tl ranges from 160ms to 240ms, T2 is in the range 78ms to 129ms ο
  9. 9.如权利要求7所述生物电信号处理设备,其特征在于,所述高通滤波器均为数字滤波器,该数字滤波器的公式为:Y (N) = c2*Y(N-1) + cl*( X(N) -X(N-1)), Y (N)是第N点滤波器处理结果值,Y (N-1)是第N-1点滤波器处理结果值,X (N)是第N点滤波器输入值,X (N-1)是第N-1点滤波器输入值,Cl、c2为参数,Cl、c2的取值范围均为大于O小于1 9. The bioelectric signal processing apparatus as claimed in 7 claim, wherein said high-pass filter are digital filters, the digital filter is the formula: Y (N) = c2 * Y (N-1) + cl * (X (N) -X (N-1)), Y (N) is the first N-point value filter processing result, Y (N-1) N-1 is the first point of the filter process result value, X (N) is the first N-point filter input values, X (N-1) is the first N-1-point filter input values, Cl, c2 parameter, Cl, c2 in the range of less than 1 are greater than O
  10. 10.如权利要求9所述生物电信号处理设备,其特征在于,所述第一高通滤波器的Cl为0.8878、c2为0.7757,所述第二高通滤波器的cl为0.9408、c2为0.8816,所述第三高通滤波器的Cl 为0.9998、c2 为0.9997。 9 10. The bioelectric signal processing apparatus as claimed in claim wherein, Cl said first high-pass filter is 0.8878, c2 is 0.7757, cl said second high-pass filter is 0.9408, c2 is 0.8816, Cl and the third high-pass filter is 0.9998, c2 0.9997.
  11. 11.如权利要求7所述的生物电信号处理设备,其特征在于,所述极化电压检测模块包括: 与接收模块连接的计算单元,用于计算生物电采样信号的斜率; 与计算单元连接的第一判断单元,用于判断连续T时间内斜率大于第一阈值的采样点的第一数量是否大于M ; 与第一判断单元连接的第二判断单元,用于当第一判断单元输出“是”时,判断所述T时间内采样值大于第二阈值的采样点的第二数量是否大于N; 与第一判断单元和第二判断单元连接的第一输出单元,用于当第一判断单元或者第二判断单元输出“否”时,给出当前采样点不存在极化电压的信息; 以及与第二判断单元连接的第二输出单元,用于当第二判断单元输出“是”时,给出生物电采样信号存在极化电压的信息。 11. The bioelectric signal processing apparatus according to claim 7, characterized in that the polarization voltage detecting module comprising: a computing unit connected to the receiving module, the slope of the bioelectric signals used for sampling; connected to the computing unit a first determination unit configured to determine a continuous time T slope is greater than a first number of sampling points is greater than a first threshold value M; second determining unit connected to the first determining unit, configured to, when the first judging unit outputs " yES ", the time T is determined within the second sample value is greater than the number of sampling points is greater than a second threshold value N; a first output unit is connected to the first determining unit and a second determination unit for determining when the first output means or the second judging unit is "nO", information of the sampling points is given the absence of a current polarization voltage; and a second output means connected to the second judging unit, configured to, when the second determination unit outputs "yes" , gives presence information bioelectric polarization voltage sampling signal.
  12. 12.如权利要求11所述的生物电信号处理设备,其特征在于,所述计算单元计算斜率的公式为|d[i]-d[1-l] |,d[i]是当前采样点的采样值,d[1-l]是当前采样点之前一采样点的采样值;T的取值范围为5ms到21ms,M的取值为4或者3或者2,N的取值为4或者3或者2,所述第一阈值的取值范围是60到168,所述第二阈值为第一阈值的一半。 12. The bioelectric signal processing apparatus according to claim 11, characterized in that the slope of the calculation unit calculates a formula for | d [i] -d [1-l] |, d [i] is the current sampling point sample value, d [1-l] is a sample value before the current sampling point a sampling point; T is in the range 5ms to 21ms, the value of M is 3 or 4, or 2, N 4, or the value of 2 or 3, the first threshold value range is 60 to 168, the second half of the first threshold value is a threshold value.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501230A (en) 1993-02-10 1996-03-26 Commissariat A L'energie Atomique Device for processing biological signals sampled by electrodes on the skin of a patient
CN101248993A (en) 2007-10-10 2008-08-27 天津大学 Signal recuperating control chip special for active neuro micro-electrode
CN101947111A (en) 2010-09-30 2011-01-19 深圳市理邦精密仪器股份有限公司 Electrocardio-analog device and electrocardio-analog method for outputting polarization voltage signal
CN201968678U (en) 2011-02-17 2011-09-14 深圳华清心仪医疗电子有限公司 Electrocardio signal collecting unit and circuit thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10151650A1 (en) * 2001-10-17 2003-05-08 Univ Eberhard Karls Electrode arrangement for electrical stimulation of biological material as well as multi-electrode array for use in such

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501230A (en) 1993-02-10 1996-03-26 Commissariat A L'energie Atomique Device for processing biological signals sampled by electrodes on the skin of a patient
CN101248993A (en) 2007-10-10 2008-08-27 天津大学 Signal recuperating control chip special for active neuro micro-electrode
CN101947111A (en) 2010-09-30 2011-01-19 深圳市理邦精密仪器股份有限公司 Electrocardio-analog device and electrocardio-analog method for outputting polarization voltage signal
CN201968678U (en) 2011-02-17 2011-09-14 深圳华清心仪医疗电子有限公司 Electrocardio signal collecting unit and circuit thereof

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