英语词汇
摘自学长的复习笔记
信号与系统 (Signal and System)
- 信号 - Signal
- 时域 - Time domain
- 频域 - Frequency domain
- 复频域 - Complex frequency domain
- 采样 - Sampling
- 离散信号 - Discrete signal
- 连续信号 - Continuous signal
- 傅里叶变换 - Fourier Transform (FT)
- 傅里叶级数 - Fourier Series
- 拉普拉斯变换 - Laplace Transform
- Z变换 - Z Transform
- 单位冲激响应 - Impulse response
- 单位阶跃函数 - Unit step function
- 卷积 - Convolution
- 奈奎斯特采样定理 - Nyquist Sampling Theorem
- 混叠 - Aliasing
信号与变换 (Signal and Transform)
- 周期信号 - Periodic signal
- 非周期信号 - Aperiodic signal
- 基波 - Fundamental frequency
- 谐波 - Harmonics
- 复指数信号 - Complex exponential signal
- 正弦波 - Sine wave
- 余弦波 - Cosine wave
- 门函数 - Rectangular function / Gate function
- 三角函数形式 - Trigonometric form
- 复频域表示 - Complex frequency representation
傅里叶变换相关 (Fourier Transform related):
- 频谱特性 - Spectral properties
- 翻折性质 - Folding property
- 时移性质 - Time-shifting property
- 频移性质 - Frequency-shifting property
- 微分性质 - Differentiation property
- 积分性质 - Integration property
拉普拉斯变换相关 (Laplace Transform related):
- 零极点分布 - Zero-pole distribution
- 稳定性判别 - Stability criteria
Z变换相关 (Z Transform related):
- 单位圆 - Unit circle
- 因果序列 - Causal sequence
- 右边序列 - Right-sided sequence
- 左边序列 - Left-sided sequence
- 双边序列 - Two-sided sequence
系统与卷积 (System and Convolution)
- 线性常系数微分方程 - Linear constant coefficient differential equation
- 线性常系数差分方程 - Linear constant coefficient difference equation
- 冲激序列 - Impulse sequence
- 阶跃序列 - Step sequence
- 时域系统 - Time-domain system
- 频域系统 - Frequency-domain system
- 卷积积分 - Convolution integral
- 卷积和 - Convolution sum
- 线性卷积 - Linear convolution
- 圆周卷积 - Circular convolution
系统特性 (System Properties):
- 线性 - Linearity
- 时不变性 - Time-invariance
- 因果性 - Causality
- 稳定性 - Stability
- 瞬态响应 - Transient response
- 稳态响应 - Steady-state response
采样与重构 & 滤波器设计 (Sampling, Reconstruction & Filter Design)
采样与重构 (Sampling and Reconstruction):
- 采样间隔 - Sampling interval
- 采样频率 - Sampling frequency
- 奈奎斯特频率 - Nyquist frequency
- 混叠频率 - Aliased frequency
- 采样定理 - Sampling theorem
- 低通重构滤波器 - Low-pass reconstruction filter
- 离散时间信号 - Discrete-time signal
- 连续时间信号 - Continuous-time signal
- 带限信号 - Band-limited signal
滤波器设计 (Filter Design):
- 理想滤波器 - Ideal filter
- 实际滤波器 - Practical filter
- 过渡带 - Transition band
- 通带 - Passband
- 阻带 - Stopband
- 通带波动 - Passband ripple
- 阻带衰减 - Stopband attenuation
- 数字滤波器 - Digital filter
- 模拟滤波器 - Analog filter
- 巴特沃斯滤波器 - Butterworth filter
- 切比雪夫滤波器 - Chebyshev filter
- 椭圆滤波器 - Elliptic filter
- 低通滤波器 - Low-pass filter
- 高通滤波器 - High-pass filter
- 带通滤波器 - Band-pass filter
- 带阻滤波器 - Band-stop filter
- 脉冲响应不变法 - Impulse invariance method
- 双线性变换法 - Bilinear transformation method
- 窗函数设计法 - Windowing method
频率响应
频率响应 (Frequency Response):
- 幅频特性 - Amplitude-frequency characteristic
- 相频特性 - Phase-frequency characteristic
- 主瓣宽度 - Main lobe width
- 旁瓣幅度 - Side lobe amplitude
- 频率分辨率 - Frequency resolution