vector generation 中文意思是什麼

vector generation 解釋
向量生成
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • generation : n. 1. 代〈約30年〉,世代,時代;同時代的人。2. 一代[一世]。3. 生殖,生育;發生,產生。4. 【數學】(面、體、線的)形成。5. 完善化階段,完善化方案,完善化的模型;發展階段。
  1. To clone large and random dna fragments, the second generation of yac, pjs97 - pjs98 was modified as gene replacement vector in streptomyces

    4kb和1 . okb片段,而且還插入了勿,七刃j和spc心t廠抗性基因。
  2. 19 farzan fallah, pranav ashar, srinivas devadas. simulation vector generation from hdl descriptions for observability - enhanced statement coverage

    本文以可觀測性語句覆蓋評估準則為例,提出了計算可觀測性語句覆蓋率的方法。
  3. In contrast to conventional optimization algorithms whose iterates are computed and analyzed deterministically, randomized methods rely on stochastic processes and random number / vector generation as part of the algorithm and / or its analysis

    傳統的最優化演算法中迭代的計算和分析是確定的,與之相比,隨機方法依靠隨機過程和隨機數字/向量的生成作為演算法和(或)演算法分析的一部分。
  4. Result 1, human antisense cd40 rna eukaryotic expression vector was constructed successfully. 2, in the presence of cd40 / pcdna3, cd40 expression was significantly decreased, cell proliferation and antibodies generation were significantly restrained, compared to that of the controls ( p < 0. 01 )

    2 、與轉染pcdna3空載體組或未轉染質粒組相比較,轉染cd40 pcdna3的健康人及sle患者b細胞系cd40的表達均明顯減少,增殖能力明顯下降, ig的分泌受到明顯抑制。
  5. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  6. Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used

    硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上,軟體採用匯編語言編程,實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖, pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。
  7. It is shown that vector boson have a mass generation and the effective lagrangian contains a term corresponding to the a wess - zumino - witten like term, which was consistant with noncommutative chiral schwinger model

    在非阿貝爾情形,我們發現在它的有效拉氏量中矢量玻色子有質量生成,有效作用量里包含wess - zumino - witten項。
  8. At last, this paper discusses the content of assembly sequence planning. based on the comparison of several typical assembly sequence generation algorithms, assembly state vector ( asv ) method is introduced to this system

    在分析幾種典型裝配次序生成方法的基礎上,提出了本系統採用的裝配次序生成方法- - - -裝配狀態矢量法( asv ) 。
  9. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。
  10. In this dissertation we study the important characteristic of monte carlo method - - - generation and testing of pseudo - random number 。 we programmed a program of uniform random - number generator and uniform random - vector generator, and simply test the performance of random - number generator

    研究了蒙特卡羅方法的重要特徵隨機數的產生和檢驗,編寫了一個均勻隨機數和隨機向量發生器程序,並對隨機數發生器進行了簡單檢驗。
  11. The automatic test vector generation method based on fault simulation is described, and the whole procedure of atpg of sequential circuits is analyzed, fault simulator - hope as an example

    本文闡述了基於模擬的自動測試生成方法,以故障模擬器? hope為例分析了整個時序電路自動測試生成過程。
  12. Base on the existing synchronous sequential circuits fault simulator - hope, the test vector generation method of sequential circuits based on ant algorithm is systematically researched firstly

    本文在同步時序電路故障模擬器? hope的基礎上,率先對基於螞蟻演算法的時序電路測試矢量生成方法作了系統的開拓性研究。
  13. An efficient evaluation and vector generation method for observability - enhanced statement coverage

    基於可觀測性語句覆蓋準則的評估分析與激勵生成方法
  14. The hardware design includes these main circuits such as current sensing, dc bus voltage sensing, space - vector pwm waveform generation, the system protection and so on

    在硬體實現中,重點討論了電流、電壓、速度檢測單元以及pwm發生單元和系統保護功能等。
  15. Using visual c + +, a board - level test vector generation and fault diagnoses software were designed and carried out

    在visualc + +環境下,設計並實現了板級測試矢量生成軟體和故障診斷軟體。
  16. Test vector generation based on ant algorithm is presented and implemented, the pheromone computation formula for sequential circuits and status transfer rules are given, and the test results are compared with the results of the other existing test generators - hitec, gatest, cris, digate and strategate, based on standard sequential circuits iscas ' 89 and other synchronous sequential circuits

    提出並實現了基於螞蟻演算法的測試矢量生成,給出了針對時序電路測試矢量生成的信息素計算公式和狀態轉移規則。在iscas 』 89標準時序電路和幾個同步時序電路上實現了測試生成,並將生成結果和其它現有測試生成器( hitec , gatest , cris , digate , strategate )的生成結果作了比較、分析。
  17. Aes implementation and the test vector generation in c language

    語言實現及測試向量生成
  18. In chapter 2, we introduce how to construct the three - dimensional terrain curved surface based on the bezier curved surface and triangle curved surface, we focus on the control dot generation of the bezier curved surface and the normal vector generation of triangle curved surface. in chapter 3, we refer to the synthetic display of the three - dimensional terrain, discuss how to illuminate the image and entironment ( e. g

    第二章聯系zzc02型雷達偵察車中三維電子沙盤顯示的需要,詳細討論如何用bezier曲面及三角曲面構造三維地形曲面,其中主要介紹了bezier曲面控制點的生成方法及三角曲面中各點法相量的計算方法。
  19. This method is more computationally efficient than prior efforts to assess observability and it could be integrated into compilers and simulators easily. a new simulation vector generation procedure involving the observability - enhanced statement coverage metric is developed. the method is simulation - based and driven by the distribution of unobserved statements

    可觀測性語句覆蓋率並不像傳統的語句覆蓋率那樣過于樂觀,它不僅評估代碼是否被執行,而且檢驗被激勵激活的那些潛在錯誤的影響是否可以傳播到觀測點,該準則可以更確切地評估驗證的力度。
  20. Firstly, a primary conception on bst standard ieee1149. 1 was introduced. as to be groundwork, some applications about bst in board test, test process and test vector generation arithmetic were enforced

    在此基礎上,重點討論了邊界掃描技術在板級測試領域的相關應用,並對板級測試過程和矢量生成演算法進行了介紹。
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