相減 的英文怎麼說

This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。

He did not hesitate to subtract terms with literal coefficients.

他毫不遲疑地進行了文字系數項的相減。

An improved spectrum subtraction speech enhancement method

一種改進的譜相減語音增強方法

In accordance with the above case, real - time background compensation against ir image for eliminating influence of thermal blooming can be carried out by using digital image processing methods such as frame subtraction and reversed color addition

針對上述情況，研究用數字圖像處理的方法幀相減、反色相加，對紅外圖像進行實時背景補償，以便消除熱暈的影響。

Adaptive multiple wave subtraction using independent component analysis

基於獨立分量分析的多次波自適應相減技術

The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。

Multiplies two fixed - point numbers

將兩個定點數值相減。

When timestamps are subtracted from one another, the result is a timestamp duration

當一個時間戳與另外一個相減時，結果是兩個時間戳的持續時間。

Subtraction for numeric operands, delegate removal for delegate operands, and so forth. the

的類型（例如，對于數值操作數，其含義為相減；對于委託操作數，其含義為移除） 。

The sic in the composite reduces the restriction around zro2 particles, leading to the decrease of t - zro2 retention at room temperature and toughness

一方面是由於sic顆粒的加入使得基體對氧化鋯顆粒的約束力下降，四方相減少導致的應力誘導相變作用的減弱，使得韌性下降。

In the deducing process, no specific flow mode is presupposed, and the conclusion of temperature subtracting by the same side for logarithmic mean temperature difference can be easily drawn

推導過程無需假定冷熱流體的特定流向，並利於得到對數平均溫差「同側相減」的規律。

In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated

本文研究了背景相減演算法、差分法、基於光流場的運動估計和基於主動形狀模型的目標跟蹤演算法。

The output of vector hydrophone contains the spatial direction information, in the other word, the output has different phase gradient to signal with different direction

它是利用了矢量水聽器四個陣元的輸出所蘊含的空間方位信息，通過對一個方向信號延遲的補償相減達到此方向信號的抵消的目的。

As wholesalers and retailers scrambled to cut prices to attract business, inflation has nosedived

零售及批發商均爭相減價速銷。結果，通脹率急速下降。

The frame difference algorithm was used for dealing with the problem of initial background image extracting automatically, and different moving pixels in current image were detected through a subtracting technique

通過一種基於幀間差分的演算法，自動提取初始背景圖像，並使用相減法，檢測出當前圖像中的運動像素。

We can compensate the phase difference and subtract at the direction of ship noise, then the noise can be cancelled. the merit o f this method is simple, stable and efficient. the main contents are : 1

首先介紹了噪聲抵消的一般方法，並且結合拖曳陣本艦噪聲的抵消問題研究了自適應法和雙線列陣相減法對本艦噪聲的抑制模型及原理。

Depending on the specific application, the enhancement system may be directed at different objectives. what is contained in the thesis is as following : ( 1 ). a variety of methods based on short - time spectrum estimation for speech enhancement are discussed

系統地研究了基於語音短時譜估計的各種增強方法，包括幅度譜相減法、功率譜相減法、維納濾波法、最小均方誤差法、兩態軟判決等。

For the detecting and tracking of objects in a static background, we summarize mature detecting algorithms, compare the adjacent frame difference method with the adaptive background difference one and implement an automatic object detecting and tracking system based on adaptive background difference and kalman filtration. as for image feature extraction, we systematically summarize available extraction methods and present the definition of image feature points

靜止背景中目標檢測和跟蹤方面，本文在前人大量工作的基礎上，總結了成熟的靜止背景中目標檢測演算法，試驗對比了瞬時差分法和自適應背景相減法，提出並實現了一個基於自適應背景相減法和卡爾曼濾波的自動目標檢測和跟蹤系統。

In the section of temporal segmentation, construct the stationary panoramic background first. we need get every frame of the shot at first, and get the motion vectors of every frame, and calculate the motion parameters. use the motion parameters, we can get the transformation of successive frames, and then get transformation of every two frames

當獲得了背景的全景圖后，就可以用經過校準的各幀圖像和背景相關部分進行差分運算，則該幀圖像中背景部分相減后為零，運動目標部分非零，從而得到非零區域就獲得了該幀中運動目標所在的區域。

Moreover, video control program to implement internal function of fpga is designed including video capture time sequence control, ping - pang frame buffer read and write time sequence control and lcd display time sequence control, and program ' s simulation and analysis is also provided. at last, this paper presents a portable iv ' s video processing system, and proposes three buffer strategy to control capture buffer. and a moving object detection algorithm of combing an adaptive background subtraction technique with a three - frame differencing is adopted

設計了基於fpga系統結構的車載視頻顯示電路板；利用單片機io口模擬i2c時序，實現了視頻解碼晶元控制；利用fpga實現視頻控制，研究了採集通道時序控制、雙幀存ram讀寫時序控制及lcd顯示時序控制的方法，並進行了軟體模擬和分析；設計了車載視頻檢測系統方案，給出了管理採集緩沖區的三幀緩沖策略，採用綜合三幀差分和自適應背景相減的演算法實現運動檢測，連通體檢測去除虛目標，模擬實驗證明其有效性，同時分析了該演算法在dsp視頻檢測系統中的簡單實現方法。