使用进化算法的非线性自适应汉默斯坦波器结构的强大设计:对心电图信号的实时应用.
Shubham Yadav1, Suman Kumar Saha2, Rajib Kar3
1Department of Computer Science and Engineering, C. V. Raman Global University, Bhubaneswar, Odisha, India. shubham.ydv@gmail.com.
Cardiovascular engineering and technology
|January 6, 2026
概括
这项研究通过使用与增长优化器metaheuristic优化的新型自适应式汉默斯坦波器去除文物来提高心电图 (ECG) 信号质量. 该方法显著改善了信号与噪声的比率,并减少了平均二次误差,以便更清晰地分析心脏信号.
科学领域:
- 生物医学信号处理
- 计算智能是一种计算智能.
- 心血管工程 心血管工程
背景情况:
- 电心电图 (ECG) 信号是低振幅,非静止的生物医学数据,易受外部噪音和人工物影响.
- 移除文物对于准确的心电图解释和诊断至关重要.
- 现有的方法经常与ECG信号和叠加噪声的复杂,非线性性质作斗争.
研究的目的:
- 开发和评估一个高效的手工艺去除ECG信号的技术.
- 使用元启发算法优化非线性自适应汉默斯坦过器.
- 评估生长优化器在提高心电图信号质量方面的性能.
主要方法:
- 设计了一个非线性适应式汉默斯坦波器结构.
- 应用了元启发式优化算法,包括增长优化器,粒子群优化,花授粉算法和海洋捕食者的算法.
- 测试了过器对ECG信号的有效性,这些信号被各种人工物损坏,如肌肉噪声和白色高斯噪声.
主要成果:
- 增长优化器优化的适应式汉默斯坦过器表现出卓越的性能.
- 在信号与噪声比 (SNR) 中实现了12dB的显著改善.
- 达到最小的平均平方误差 (MSE) 为3.698E-08.8.
- 使用数字信号处理器套件验证的模拟结果.
结论:
- 提出的基于增长优化器的自适应式汉默斯坦波器有效地从心电图信号中去除物体.
- 该技术比现有的最先进的方法提供了显著的改进.
- 这种方法适用于实际的ECG信号增强应用.
相关概念视频
Design Example
526
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
526
Instrumentation Amplifier
1.0K
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
1.0K
Active Filters
1.2K
Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components from a signal. A first-order low-pass active filter is designed to pass signals with a frequency lower than a certain cutoff frequency and attenuate frequencies higher than that cutoff frequency. The transfer function for a first-order low-pass active filter is:
1.2K
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
282
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
282
Feedback control systems
685
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
685
Second-order Op Amp Circuits
613
Implementing second-order low-pass filters in audio systems is crucial in refining audio signals by eliminating undesirable high-frequency noise. These filters typically involve second-order op-amp circuits configured as voltage followers, encompassing two nodes with distinct storage elements.
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...
613


