相减

以传输电流开关理论为基础，分析了电流信号的相加与相减运算及其电路的实现方法，并利用该设计方法设计了模3加和2位二值全加器的电流型CMOS电路。

Based on the theory of transmission current-switch , and analyzes current signal operation of add and subtract . By using this method , the current-mode CMOS circuits of modulo-3 adder and 2-bit binary full-adder have been designed in this paper .

那么，如果我们想要比较它们，我们应该把它们相减，用S1的通量积分减掉S2的通量积分。

So , if we want to compare them , we should probably subtract them from each other . OK , so let 's do the flux integral for S1 minus the flux integral for S2 of the same thing .

基于MATLAB的谱相减语音增强算法的研究

MATLAB-based Spectral Subtraction Algorithm for Speech Enhancement

基于扩展谱相减与SAP的带噪语音端点检测

Speech Endpoint Detection Based on Expanded Spectral Subtraction and SAP

基于ASIC的重置逐比特移位相减开平方计算

Binary Restoring Shift / Subtract Square-Rooter Bit by Bit Based on ASIC

利用Talbot效应实现图像振幅相减的一种方法

Realization of image amplitude substraction based on Talbot effect

但是，高频子带并不是通过2-D高通滤波原始图像，而是通过原始图像与合成的低通子带相减得到的。

However , the HF subband is created by subtracting the synthesized LF subband from original image but not by 2-D high-pass filtering original image .

本文利用多通道处理和信号重构、信号相减等技术实现了同信道AIS信号的分离。

In this paper , multi-channel processing , signal reconstruction and signal subtraction techniques are used to achieve the co-channel AIS signal separation .

本文提出了在相干会聚光照明下利用光栅的Talbot自成像效应实现图像振幅相减的一种方法。

A new method-realization of image amplitude substraction is described based on Talbot effect of grating with illumination of coherent convergent light .

讨论了利用光学4f系统进行光学信息处理的基本原理，并据此提出了仿真光学4f系统的算法。用仿真的4f系统实现了网格滤波以及图像相加、相减等光学信息处理实验。

The optical information processing such as griddle filter and image plus & substract are realized by using the system .

快速多时相减影CE-MRA对头颈部TOF-MRA伪影的矫正

Correction of the Artifacts in Cranial and Cervical TOF-MRA by Rapid Multiple-Phase CE-MRA

两个相位相差180°的双向Buck-Boost变换器的输出电压相减即可得到较为理想的单相正弦波；

Ideal single-phase sine wave could be achieved via subtraction of output voltages with a phase difference of 180 ° in dual - direction Buck-Boost converter .

为提高相关识别率，把结构光和基于SDF的相移功率谱相减的联合变换相关器结合起来，完成相关识别。

To improve correlation discrimination , the method joints structure light and union transform correlator based on SDF and phase-shift power subtracting to realize correlation recognition .

基于扩展谱相减的RCAF基音周期检测算法相关光谱学，相联能谱学

RCAF Pitch Detection Algorithm Based on Expanded Spectral Subtraction

在鲁棒性方面，研究了Mel倒谱系数各分量在说话人识别中的贡献，以及在参数级上Mel倒谱系数的差分系数及倒谱均值相减法对说话人识别的贡献；

In the aspect of robustness , the contribution of each dimension of MFCC is studied , and the contribution of the differential coefficent of Mel-fequency cepstrum coefficient and cepstral mean subtraction are also discussed .

采用振幅调制和功率谱相减的联合变换相关，用实现旋转不变识别的综合鉴别函数（SDF）作为联合变换相关输入的参考图像，来获得具有识别目标的旋转不变性和高的相关识别率。

The rotation invariance and good recognition efficiency is achieved by using SDF ( Synthetic Discrimination Functions ) as the reference in the amplitude-modulated and a power spectrum subtracted joint transform correlator .

基于bR膜对黄、紫光束的吸收特性，可以将其应用于亮背景滤除、反象器、图象相减、光寻址空间光调制器等光信息处理领域。

On basis of the optical absorption properties the bR film can be used in many fields of optical information processing such as bright background filtering , image reversing , images subtracting , optically addressed spatial light modulator and so on .

根据彩色合成原理，将1988年的NDVI影像、2000年的NDVI影像及2000年与1988年的NDVI相减所得影像进行彩色合成，其不同颜色反应了不同植被覆盖度区域的不同变化。

Different colors are synthesized scientifically from the NDVI images of 1988 and 2000 as well as the image produced by the subtraction between the values of the two , with areas of different vegetation coverage in different colors .

针对多次波自适应相减这个关键问题，文中首次提出利用独立分量分析技术来实现多次波和一次波的分离（简称ICAAMS）。

We present a new adaptive multiple subtraction algorithm based on independent component analysis ( ICAAMS ) .

该方法通过自适应滤波拾取理想的参考信号，再与腹部混迭信号相减抵消母亲心电图（MECG），从而提取出胎儿心电（FECG）信号。

In this study , the desired reference signal is obtained by adaptive filtering , and is subtracted from the abdominal mixture signal to eliminate maternal ECG to abstract FECG .

但是，传统的PRF相位相减法易受脂肪质子、运动和磁场漂移等因素的干扰，而磁共振波谱成像法较低的时空分辨率限制其应用于临床的实时监控。

However , the conventional phase difference method suffers from disturbances caused by the presence of lipid protons , motion-induced error and field drift . On the other hand , the low spatiotemporal resolution of MRSI method limits its clinical application in real-time monitoring .

在这一思想的指导下完成了相位载波（PGC）零差解调电路各个单元的硬件设计，包括信号的混频，低通滤波，高通滤波，微分，积分，相乘，相减等模拟运算。

In this way , the design of unit phase generated carrier ( PGC ) homodyne demodulation circuits is completed , including analogue operations such as signal mixer , lowpass filter , highpass filter , differentiator , integrator , multiplier , subtracter , and so on .

本文介绍了具有动态范围大、可见条纹级别高等特点的新一代电子散斑干涉仪（ESPI）的设计原理、特点，并给出了实时相减法振动测量和变形测量的结果。

A new type of electronic speckle pattern interferometer ( ESPI ) is described in this paper which has the characteristics of large dynamic range and high order of visible fringes . The experiment results of vibration and deformation test by use of real-time subtraction are given .

建立了一个新的Two-pairs瓶颈带宽测量分析模型，通过两组数据包对之间的相减关系消除链路层协议的误差影响；

According to this method , a novel Two-pairs analytical model for bottleneck bandwidth estimation is presented , which can removed the effect of lower layer headers via the subtraction relation between two " differentiated packet-pairs "( DPPs ) .

他毫不迟疑地进行了文字系数项的相减。

He did not hesitate to subtract terms with literal coefficients .

使用三个图像特征量作为衡量图像相减结果的依据，实验证明了这三个特征量分别对物体检测结果的贡献。

Use three image features as a measure of image subtraction .

多带谱相减结合感觉加权的语音增强方法研究

Speech enhancement method based on multi-band spectral subtraction plus perceptual weighting

利用相干传递函数分析图像的相加和相减

Analysis of Addition and Substraction of the lmage Using Coherent Transfer Function

基于分数阶谱相减的语音增强法

A Method Based on Fractional Spectral Subtraction for Speech Enhancement

在除法器的设计中采用了移位相减的方法；

Magnetic Shift Adopted booth arithmetic to design multiplication module .