DSP专业名词术语和缩写.doc

DSP专业名词术语和缩写我们需要100个专业词汇，这边共有250个，这个单词表是当年DSP老师给的。1samplin采样2quantization量化3reconstruction重建4ideal reconstruction理想重建5analog signal模拟信号6digital signal数字信号7A/D conversion模数转换8D/A conversion数模转换9digital signal processor数字信号处理器10frequency spectrum频谱11sinusoid 正弦12filter滤波器13pole极点14zero零点15exponentially decaying指数衰减16impulse response冲激响应17convolution卷积18frequency response频率响应19steady state稳态20attenuate衰减21magnified放大22amplitude振幅23aliasing混叠24antaliasing profilers 抗混叠预滤波器25symmetric相对的26distort误传27intersect相交28rotate旋转29clockwise顺时针30duration持续时间31periodically replication周期重复32nodulation调制33normalize归一化34lowpass band低通带35pass band通带36DTFT序列傅氏变换37Capacitor电容38Resolution分解39Bipolar双极性40unipolar单极性41rounding舍入42truncation截断43quantization error量化误差44mean均值45variance变量46mean square values均方值47root mean square均方根48signal to noise ratio(SNR)信噪比49square wave方波50unipolar natural binary code单极性自然二进制码51bipolar offset binary code双极性偏移二进制码52bipolar twos complement code双极性二的补码53successive approximation AD convertor 逐次比较型模数转换器54full scale range满量程55uniform quantization均匀量化56quantization level量化等级57quantization width/resolution量化宽度/间隔58random variable随机变量59uniform distribution均匀分布60probability density概率密度61stationary zero-mean white noise sequence零均值平稳白噪声序列62autocorrelation 自相关63cross-correlation互相关64dynamic range动态范围65comparator 比较器66register寄存器67feedback loop反馈环路68linear time-invariant system线形时不变系统69discrete-time system离散时间系统70finite impulse response有限长单位脉冲响应71infinite impulse response无限长单位脉冲响应72block processing 块处理73sample by sample processing逐个样本处理74internal state内部状态75linearity线性76stability 稳定性77weighted average加权平均78difference equation差分卷积79recursive递归80even偶数81odd 奇数82filter coefficient滤波器系数83diverge发散84antidiagonal反对角线85flip-and-slide翻转平移86input-off-state输出暂态87integrator积分器88DCgain直流增益89overlap-add-block convolution method重叠相加器90temporary临时的91adder加法器92multiplier相乘器93delay延迟器94tapped delay line 抽头延迟器95differentiator 微分器96unit step 单位阶跃信号97alternating step 正负交替的阶跃信号98Z-transform Z变换99positive正的100negative负的101region of convergence 收敛域102marginally stable临界稳定103polynomial多项式104denominator 分母105numerator分子106peak 峰107dip 谷108partial fraction expansion method 部分分式展开法109unit circle 单位圆110double sided complex sinusoid 双边复正弦111truncated complex sinusoid 单边复正弦112real valued coefficient实系数113complex conjugate pares 复共轭对114transfer function传递函数115direct form直接型116parallel form并联型117canonical form正准型118transposed form转置型119effective time constant有效时间常数120resonator谐振器121notch filter陷波滤波器122comb filter 梳状滤波器123parametric equalizer 参量均衡器124channel equalization信道均衡125deconvolution解卷积126direct form 直接型127difference equation 差分方程128IIR filter 无限长单位脉冲响应滤波器129FIR filter有限长单位脉冲响应滤波器130adder 加法器131multiplier 乘法器132feeding forward 前馈133feeding back 反馈134numerator 分子135denominator 分母136polynomial 多项式137coefficient 系数138recursive term 递归项139non-recursive term 非递归项140negative 负的141order 滤波器的阶142internal state 内部状态143state updating 状态更新144transfer function 传递函数145initialize 初始化146cascade form 级联型147register 寄存器148canonical form (direct formII) 正准型（直接二型）149second-order-section (SOS) 二阶基本节150complex conjugate pairs 复共轭对151quantization effects in digital filters 数字滤波器中的量化效应152roundoff error 舍入误差153sample-by-sample processing algorithm 逐个样本处理算法154digital waveform generator 数字波形产生器155periodic square wave 周期方波156sinusoidal generator 正弦波产生器157computational overhead 额外的计算开销158exponentially decaying sinusoid 包络按指数衰减的正弦波159wavetable synthesis 波表合成160periodic sequence 周期序列161periodic waveform generator 周期波形产生器162touchtone 全数字按键式163DTMF 双音多频164echo 回声165combfilter 梳状滤波器166reverberator 混响器167noise reduction 降噪168additive noise 加性噪声169compromise 折衷170NRR (noise reduction ratio) 降噪抑制比171SNR (signal-to-noise ratio) 信噪比172zero-mean white Gaussian noise 零均值高斯白噪声173minimizing 最小化174maximizing 最大化175piece-wise linear 分段线性176ECG 心电图177Q-factor 品质因子178time-windowing 时域加窗179finite-duration 有限长180sampling rate 采样率181sampling time interval 采样间隔182rectangular window 矩形窗183hamming window 汉明窗184window function 窗函数185frequency leakage 频率泄露186mainlobe 主瓣187sidelobe 旁瓣188mainlobe width 主瓣宽度189relative sidelobe level 相对旁瓣水平190physical frequency resolution 物理频率分辨率191computational frequency resolution 计算频率分辨率192resolvability condition 可分辨条件193sharp spectral line 尖锐的谱线194DTFT (discrete time Fourier transform) 离散时间（序列）傅立叶变换195DFT (discrete Fourier transform) 离散傅立叶变换196N-point DFT of a length L signal 对L长信号做N点DFT197zero padding 补零198biasing error 偏移误差199rounding error 舍入误差200matrix form 矩阵形式201twiddle factor 旋转因子202modulo-N 模N203periodic extention 周期延拓204computational cost 计算代价205unitary matrix 酉阵206merging 组合 207FFT (fast Fourier transform ) 快速傅立叶变换208Decimation-in-time radix-2 FFT algorithm 按时间抽取的基二FFT算法209butterfly merging equations 蝶形组合公式210shuffling 重排211bit reversal 码位倒置212fast convolution 快速卷积213circular convolution 圆周卷积214overlap-add methord 重叠相加法215overlap-save methord 重叠保留法216IDFT (inverse discrete Fourier transform ) 序列傅氏反变换217IFFT (inverse fast Fourier transform) 快速傅立叶反变换218window method 窗口法219linear phase 线性相位220guarantee sability 保证稳定性221lowpass 低通222highpass 高通223bandpass 带通224bandstop 带阻225transition band 过渡带226passband 通带227stopband 阻带228differentiator 微分器229Hilbert transformer 希尔伯特变换器230double-sided 双边231real 实部232imaginary 虚部233even 偶234odd 奇235truncate 截断236cutoff frequency 截止频率237transition band width 过渡带宽238ripples 纹波239symmetric 对称240antisymmetri