digit signal 中文意思是什麼
digit signal
解釋
數字信號-
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。 -
The circuit receives feedback signal of encoder, disposes it by pid and in the form of digit sends control signal which is transformed by d / a into analogue signal to servo amplifier, so further to control motors
電路板接收碼盤反饋信號，通過內嵌的pid演算法，以數字形式給出控制量，經過d a轉化為模擬控制信號給伺服放大器，進而控制電機運行。 -
According to research of redundant signed digit ( rsd ) calibration theory of pipelined adc, a novel out of range detection rsd technique is provided. when input signal is out of the adc ’ s range, the technique can detect this situation and the wrong output word is avoided
然後，在深入分析冗餘位演算法的基礎上，提出了新型的校正演算法，針對傳統演算法不能判斷信號超出adc處理范圍的不足，增加了溢出判斷功能，既能有效校正比較器的失調，又防止了信號溢出時的誤碼輸出，保證了系統的性能。 -
As for the feature of mandarin digit speech, the existing arithmetic is cited to design the software system, and the design process is described in the part. here, the shore - time ^ relative efp ( energy - frequency - product ) is used to make the capsheaf of chinese speech signal, and the short - time relative efq ( energy - frequency - quotient ) is used to separate its syllable and consonant - vowel segment, and it improves the correct rate
本文採用的漢語語音的端點信號的檢測和清濁音信號切分方法是：短時相對能頻積的方法對漢語語音信號的端點進行檢測；短時相對能頻比的方法對語音信號的清濁音進行切分，提高漢語語音信號切分的成功率。 -
2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統，以石英分支光纖作為傳輸光信號介質，高精度光電倍增管檢測， 16位多道數據採集卡為a d轉換，採用visualbasic編寫windows平臺操作軟體，菜單提示，窗口人機對話，研製成功單通道光纖化學過程傳感儀器系統。 -
Each unit of a speech recognition system is studied in this paper, which includes the preprocessing, the training of reference patterns, the connected digit speech recognition algorithm and the postprocessing of confusing pairs. the research of endpoint detection includes the endpoint detection not only in the quiet environment but also in the low signal - to - noise ( snr ) situation. as far as the training of the reference patterns is concerned, the modified k - means algorithm is adopted. the most important part of this paper is the research of connected speech recognition algorithm. two kinds of algorithm are put forward, which are based on the existing fruit of mutual - information match theory
其次漢語連續數字發音連續程度較高，這主要由於漢語數字發音中零聲母語音出現的較多。另外漢語連續數字串中各個數字的協同發音現象較嚴重也給漢語連續數字語音識別帶來了困難。本文以互信息理論為基礎，從語音模式間的交互信息量的角度，研究了一個完整的語音識別系統的各個組成部分，其中包括預處理、參考模式的訓練、連續識別演算法以及后續處理部分。 -
The system generates 18 kinds of worldwide used hdtv test pattern signals supported by smpte 274m standard, and also provides ypbpr, rgb video outputs both in digit and analog and the output interfaces of itu - r bt. 1120 - 2 / gy / t157 - 2000 studio hdtv digital video signal interface standard
該系統生成了符合smpte274m國際標準的18種普遍採用的hdtv測試圖案信號。它提供ypbpr 、 rgb兩種視頻數字輸出與模擬輸出，其介面符合itu - rbt . 1120 - 2 / gy / t157 - 2000演播室高清晰度數字視頻信號介面標準。 -
They are voltage to digit data converting circuit board, current to digit data converting circuit board and digit data input / output circuit board. these circuit boards are used to acquire the main running parameter of hev experimental bed and to control the output of alarm message. in order to simplify the wire connection and signal conditioning, three piece of interface circuit boards correspondence to the three data acquisition circuit boards are equipped, and a wire connection box is also designed to contain them
本文監控系統的硬體以一臺工業控制pc機為核心並根據採集信號的性質配置了電壓-數字量轉換板、電流-數字量轉換板及數字量輸出輸出板，對hev運行系統的主要運行參數進行採集並進行報警控制；為方便接線和信號調理，配備了與採集板對應的接線和調理介面板以及接線盒。 -
Digital beam forming ( dbf ) is a kind of new technique which based on the antenna beam forming and the well - developed digit signal processing. the technique should convenient obtains high resolution and low sub beam by sufficiently utilizing of the space message received by array antenna. and make the technology of beam scanning, self - calibrating and adaptive beam should be realized easily
數字波束形成（ dbf ）是在天線波束形成的基礎上，引入先進的數字信號處理方法后建立起來的一門新技術，這種技術可以充分利用陣列天線檢測到的空間信息，並易於獲得超解析度和低副瓣，實現波束掃描，自校準和自適應波束形成等。 -
A set of consecutive digit time slots in which the position of each digit time slot can be identified by reference to a frame alignment signal
一組連續的數字時間片段，每一數字時間片段在組內的位置可參考幀同步信號來標識。 -
Whereas there are factors, a kind neotype dynamic balancer system of crank and connecting rod mechanism is researched & developed. against the feature of the balance of the rigid rotator, and applying theory of balances, microelectronic technique, digit signal processing technique, software programming technique and the greatly processing function of computer, it realizes such the functions as sampling signal, digit processing, balance calculation, result display
鑒於此，本課題研製開發了一種新型的硬支承結構動平衡測試系統，它是針對剛性轉子的平衡特點，並應用轉子平衡理論、微電子技術、數字信號處理技術、軟體編程技術、及計算機強大的處理功能，實現了信號採集、數據處理、平衡計算、結果顯示等多功能於一體。 -
( 4 ) research on detail electronic draws on digit signal and analog signal. ( 5 ) research and designed the upstream watch system, monitors the input and output data of system
（ 5 ）設計can車輛網路的上位機監控系統，對整個系統的數據發送和儀表狀態進行監控和測試。 -
When digit signal orbital circuit is adopted in the equipment, which is used to transmit train - to - wayside information and location train position, the length of digital signal orbital circuit should be the minimal measure unit of distance interval between trains
摘要採用數字軌道電路作?車地信息傳輸設備及列車定位設備時，列車之間的安全間隔距離必須以數字軌道電路的長度作?最小計量單位。 -
In contemporary digital times, the research about mandarin digit speech recognition is more and more noticed, since some aspects by digital technique, such as speech intensification, speech transmission, speech recognition, speech synthesis and speech deposit, are the front parts of speech signal processing, of which mandarin digit speech recognition is an important part, and used in many areas
在當今數字化的信息時代，用數字化的技術進行語音的增強、傳送、識別、合成、存儲已成為語音信號處理技術的學科前沿，漢語數碼語音識別是這前沿中重要的部分且用途很廣，因此，漢語數碼語音識別的研究日益受到重視。本文就是在這種情況下對漢語數碼語音識別做了一些研究。 -
Along wi th the rapid development of microprocessor, this kind of contradiction was surmounted in the especially emergence of digit signal processor ( dsp ) gradually in recent years
近年來，隨著微處理器的迅速發展，特別是數字信號處理器（數字信號處理）的出現，則逐漸克服了這種矛盾。 -
( 4 ) the functions of transition digit signal from time - domain to spectrum - domain and of filtering are implemented by program, which not only reduce the cost, but also it is agility easy to maintenance and to update
測試數據的時頻轉換，數字濾波均軟體化。用軟體程序完成硬體電路的功能，這不僅降低了硬體成本，而且使用靈活、易於維護、易於產品的更新換代。 -
On the base of it, the design of the system that use double - cpu ( mpu and dsp ) to enhance the ability of digit signal process is issued, in order to meet the requirement of higher voltage power system ' s relaying protection. the overall design of double - cpu ' s system is completed
在此基礎上，為了滿足更高電壓等級的電網繼電保護要求，本文提出了雙cpu的硬體設計方案以提高系統的數字信號處理能力，並完成了總體設計。
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