专业英语词汇(信号与系统)

1、专业术语中英文对照表第 1 章 绪论信号(signal)系统(system)电压(voltage)电流(current)信息(information )电路(circuit )网络(network)确定性信号( determinate signa)l随机信号(random signa)l一维信号(one -dimensional signal)多维信号(multi -dimensional signal)连续时间信号(continuous time signal)离散时间信号( discrete time signal)取样信号(sampling signal)数字信号(digital sig

2、nal )周期信号(periodic signal)非周期信号(nonperiodic( aperiodic) signal)能量(energy)功率(power)能量信号(energy signa)l功率信号(power signal)平均功率(average powe)r平均能量(average energy)指数信号(exponential signa)l时间常数(time constant)正弦信号(sine signa)l余弦信号(cosine signa)l振幅(amplitude)角频率(angular frequency)初相位( initial phase)周期(period

3、)频率(frequency)欧拉公式(Eulersformu)la复指数信号( complex exponential signa)l复频率(complex frequency)实部(real part)虚部(imaginary part)抽样函数 Sa(t) (sampling(Sa)function )偶函数( even function)奇异函数( singularity function )奇异信号(singularity signal)单位斜变信号(unit ramp signal)斜率(slope)单位阶跃信号(unit step signal)符号函数(signum functi

4、on)单位冲激信号 (unit impulse signal)广义函数(generalized function)取样特性(sampling property)冲激偶信号(impulse doublet signal)奇函数(odd function)偶分量(even component奇分量(odd component)正交函数(orthogonal function)正交函数集(set of orthogonal function)数学模型(mathematics mode)电压源(voltage source基尔霍夫电压定律(Kirchhoff ' s voltage laWKV

5、L ) 电流源(current source)连续时间系统(continuous time system)离散时间系统(discrete time system)微分方程(differential function)差分方程(difference function)线性系统(linear system)非线性系统(nonlinear system)时变系统(time varying system)时不变系统(time -invariant system)集总参数系统(lumped -parameter system分布参数系统(distributed -parameter system偏微分方

6、程(partial differential function )因果系统(causal system非因果系统(noncausal system因果信号(causal signal叠力口性(superposition property)均匀性(homogeneity)积分(integral)输入输出描述法(input _output analysis)状态变量描述法(state variable analysis单输入单输出系统(single-input and single -output system) 状态方程(state equation)输出方程(output equation)多

7、输入多输出系统(multi -input and multi -output system)时域分析法(time domain method)变换域分析法(transform domain method)卷积(convolution)傅里叶变换(Fourier transformi)拉普拉斯变换(Laplace transform)第2章连续时间系统的时域分析齐次解(homogeneous solution 特解(particularsolution)特征方程(characteristic function) 特征根(characteristic root)固有(自由)解(natural so

8、lution) 强迫解(forced solution) 起始条件(original condition) 初始条件(initial condition ) 自由响应(natural response 强迫响应(forced response 零输入响应(zero-input response 零状态响应(zero-state response 冲激响应(impulse response 阶跃响应(step response 卷积积分(convolution integral) 交换律(exchange laW) 分配律(distribute law) 结合律(combine law)第3章傅

9、里叶变换频谱(frequency spectrum)频域(frequency domain)三角形式的傅里叶级数(trigonomitric Fourier series) 指数形式的傅里叶级数(exponential Fourier series 傅里叶系数(Fourier coefficient)直流分量(direct composition)基波分量(fundamental composition)n 次谐波分量(nth harmonic component复振幅(complex amplitude)频谱图(spectrum plot (diagram)幅度谱(amplitude spe

10、ctrum)相位谱(phase spectrum包络(envelop)离散性(discrete property)t皆波性(harmonic property)收敛性(convergence property奇谐函数(odd harmonic function)吉伯斯现象(Gibbs phenomenon周期矩形脉冲信号 (periodic rectangular pulse signa) 周期锯齿脉冲信号 (periodic sawtooth pulse signa) 周期三角脉冲信号 (periodic triangular pulse signal)欢迎下载5周期半波余弦信号(perio

11、dic half -cosine signal) 周期全波余弦信号(periodic full -cosine signal) 傅里叶逆变换(inverse Fourier transform) 频谱密度函数(spectrum density function) 单边指数信号(single -sided exponential signal 双边指数信号(two -sided exponential signal 对称矩形脉冲信号(symmetry rectangular pulse signal 线性(linearity对称性(symmetry)对偶性(duality)位移特性(shifti

12、ng)时移特性(time-shifting)频移特性(frequency -shifting)调制定理(modulation theorem)调制(modulation)解调(demodulation)变频(frequency conversion尺度变换特性(scaling)微分与积分特性(differentiation and integration) 时域微分特性(differentiation in the time domain) 时域积分特性(integration in the time domain) 频域微分特性(differentiation in the frequenc

13、y domain) 频域积分特性(integration in the frequency domain) 卷积定理(convolution theorem)时域卷积定理(convolution theorem in the time domain) 频域卷积定理 (convolution theorem in the frequency domair) 取样信号(sampling signal)矩形脉冲取样(rectangular pulse samplings自然取样(nature sampling)冲激取样(impulse sampling)理想取样(ideal sampling)取样定

14、理(sampling theorem) 调制信号(modulation signal) 载波信号(carrier signal) 已调制信号(modulated signal) 模拟调制(analog modulation) 数字调制(digital modulation) 连续波调制(continuous wave modulation) 脉冲调制(pulse modulation) 幅度调制(amplitude modulation)频率调制(frequency modulation)相位调制(phase modulation)角度调制(angle modulation)频分多路复用(fr

15、equency -division multiplex (FDM) 时分多路复用(time -division multiplex (TDM) 相干(同步)解调(synchronous detection本地载波(local carrier)系统函数(system function)网络函数(network function)频响特性(frequency response幅频特性(amplitude frequency response相频特性(phase frequency response无失真传输(distortionless transmission理想低通滤波器(ideal low

16、-pass filter)截止频率(cutoff frequency)正弦积分(sine integral)上升时间(rise time)窗函数(window function )理想带通滤波器(ideal band -pass filter)第4章拉普拉斯变换代数方程(algebraic equation双边拉普拉斯变换(two-sided Laplace transform)双边拉普拉斯逆变换(inverse two-sided Laplace transform单边拉普拉斯变换(single-sided Laplace transform)拉普拉斯逆变换(inverse Laplace

17、transform)收敛域 (region of convergence (ROC)延时特性(time delay)s 域平移特性(shifting in the s-domain)s 域微分特性(differentiation in the s-domain)s 域积分特性(integration in the s-domain)初值定理(initial-value theorem)终值定理(expiration-value)复频域卷积定理(convolution theorem in the complex frequency domair)部分分式展开法(partial fraction

18、 expansion)留数法(residue metho。第5章策动点函数(driving function ) 转移函数(transfer function) 极点(pole)零点(zero)零极点图(zero-pole plot)暂态响应(transient response稳态响应(stable response稳定系统(stable system一阶系统 (first order system) 高通滤波网络(high-low filter) 低通滤波网络(low-pass filter) 二阶系统(second system)最小相移系统(minimum-phase system)维

19、纳滤波器(Winner filter)卡尔曼滤波器(Kalman filter)低通(low-pass)高通( high-pass)带通(band-pass带阻(band-stop)有源(active)无源(passive)模拟(analog)数字(digital)通带(pass-band阻带(stop-band)佩利一维纳准则(Paley-Winner criterion)最佳逼近(optimum approximation)过渡带(transition-band)通带公差带(tolerance ban。巴特沃兹滤波器(Butterworth filter)切比雪夫滤波器(Chebyshew

20、 filter)方框图(block diagram)信号流图(signal flow graph)节点(node)支路(branch)输入节点(source node输出节点(sink node)混合节点(mix node)通路(path)开通路(open path)闭通路(close path)环路(loop)自环路(self-loop)环路增益(loop gain)不接触环路(disconnect loop)前向通路(forward path)前向通路增益(forward path gain)梅森公式(Mason formula)劳斯准则(Routh criterion)第6章数字系统(d

21、igital system)数字信号处理(digital signal processing) 差分方程(difference equation) 单位样值响应 (unit sample response 卷积和(convolution sum)欢迎下载Z 变换 (Z transform)序歹!J ( sequence样值(sample)单位样值信号 (unit sample signal)单位阶跃序歹U ( unit step sequence矩形序歹U (rectangular sequence)单边实指数序歹U ( single sided real exponential sequen

22、ce单边正弦序歹U ( single sided exponential sequence斜边序歹U ( ramp sequence复指数序歹U ( complex exponential sequence线性时不变离散系统(linear time-invariant discrete-time system)常系数线性差分方程(linear constant-coefficient difference equation后向差分方程(backward difference equatiorj)前向差分方程(forward difference equation)海诺塔(Tower of Ha

23、noi)菲波纳西(Fibonacci)冲激函数用(impulse train)数字滤波器(digital filter单边 Z 变换(single-sided Z transform)双边 Z 变换(two-sided (bilateral) Z transform)幕级数(power series)收敛(convergence有界序歹U ( limitary-amplitude sequence)正项级数(positive series)有限长序歹U ( limitary-duration sequence)右边序歹U ( right-sided sequence左边序歹U ( left-sided sequence双边序歹U ( two-sided sequenceZ 逆变换(inverse Z transform)围线积分法(contour integral method)幕级数展开法(