脈沖序數 的英文怎麼說

It uses binary counters for the conversion of the multiplicand from parallel to pulse-train form.

它採用二進制計數器以把被乘數由并行形式轉換成脈沖序列形式。

At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following

文中首先綜述了數字脈沖壓縮的優點及其實現方法，接著討論了相位編碼信號的特點，並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。

Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。

In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。

Fibre optic communication subsystem test procedures - digital systems - time - resolved chirp and alpha - factor measurement of laser transmitters

纖維光學通信子系統試驗程序.數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量

Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems ; time - resolved chirp and alpha - factor measurement of laser transmitters

纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量

The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions

因此，本文在國內外學者已有的研究基礎上，以我國貨幣政策的中介目標? ?貨幣供應量為線索，就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究，重點是應用國外時間序列經濟計量學的最新研究成果，如脈沖響應函數、預測方差分解模型等進行探索性地定量分析，並得出有價值的實證結論。

The software includes a monitor program, an initialization module, a watchdog module, a data fusion module, a can transmission module, a quadrature encoder pulse count module and an a / d interrupt service program

該系統軟體包括監控程序、初始化模塊、看門狗模塊、數據融合模塊、 can通信模塊、數字量採集模塊、正交編碼脈沖計數模塊和a d中斷服務程序。

A novel method for the radar full pulse data analysis, called the extremum sequence analysis method, is put forward

摘要針對脈沖雷達提出了一種新的雷達信號全脈沖數據分析演算法極值序列分析法。

Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。

Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。

This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power

本文深入分析了半導體激光電源的工作原理，根據準連續工作方式下的特殊要求，論證了電源的主要環節的可行性方案，設計了相應的硬體電路與軟體程序， （實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。

In order to restrain the bad effects of noise and improve the defect detecting ability of pt, image reconstruction methods based on logarithm polynomial regression were carried out here to reconstruct and enhance pt image sequences of carbon fibre reinforced plastic ( cfrp ) laminates

為了抑制各種噪聲的不良影響，提高脈沖熱像檢測的缺陷探測能力，運用基於對數多項式回歸的圖像重建方法對碳纖維增強塑料層壓板脈沖熱像檢測的熱像序列進行圖像重建與增強。

In this paper, such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction, the angular distribution of the hot electrons in the different energy range, and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions, from the metallic targets and the dielectric targets, in the different energy range of the hot electrons, and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma

本論文進行了三個方面的研究：第一，超熱電子角分佈的研究，包括不同激光入射角下超熱電子的角分佈；激光不同偏振態下超熱電子的角分佈；激光預脈沖對超熱電子角分佈的影響；不同能段的超熱電子的角分佈。第二，超熱電子能量分佈的研究，包括不同方位超熱電子的能量分佈，金屬與非金屬靶材的超熱電子的能量分佈，金屬原子序數z對超熱電子能量分佈的影響以及不同能段超熱電子的能量分佈。第三，研究了超短超強激光與固體靶相互作用所產四川大學博士學位論文生的高能質子發射和能譜。

In this paper we discuss mca circuit, the sequential logic for mca data collection, for the setting of the uld, lld and the gain of pga, as well as the combinational logic for decoding circuits of the computer interface, based on cpld

本文詳細論述了利用cpld實現的脈沖幅度多道電路及其數據採集的時序控制邏輯、閾值設定和程式控制放大倍數設定的時序控制邏四川大學碩士學位論文輯、以及與計算機介面的譯碼電路等組合控制邏輯。

The off - line program system based on cad / cam for dispensing robot is designed on the computer. in the module of trajectory planning, preliminary discussion is done about the shortest loop path and an algorithm of solving this problem is provided ; in the module of back procedure, dda ( digital differential analyzer ) is adopted in line, circle and ellipse interpolation. at last the protocol transferring program data to robot from off - line system is analyzed

在離線編程的系統的設計中，實現了cad的建模、點膠軌跡的程序示教、工藝參數編輯、軌跡規劃、後置處理等功能，並在規劃模塊中針對平面內不規則排列點進行點膠的軌跡規劃進行了初步探討，採用圖論的方法，給出滿足實際要求且演算法復雜度較小的最短閉合迴路的程序演算法;在離線編程系統的後置處理模塊中，介紹了直線、圓弧、橢圓弧的dda插補方法以及脈沖分配不均勻的改進方法;最後對通信協議的制定進行了分析。

Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

而頻率編碼為不均勻分佈，由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈；相位編碼為二元的偽隨機序列，採取均勻的二相編碼，消減同頻脈沖帶來的過高的相關函數的旁瓣；而失配相位為與頻率編碼相一一對應于各子脈沖中。

Sencondly, according to fft and iir, using the c language realize the algorithm, and procedure realization method selection according to the monolithic integrated circuit itself hardware resources. finally, draw up the hardware circuit diagram and confirming the procedure result

然後分別根據快速傅里葉變化演算法和無限脈沖響應數字濾波演算法，用c語言編寫程序，根據單片機本身的硬體資源分析對比確定採用哪種程序實現方式。

The function of the controlling system comprise time sequence control of rotating field, data collection and serial communication etc. it avails the automation of finishing process and the interface to other system by using micro - controller

本文採用單片機來實現脈沖控制的旋轉磁場，實現的功能有旋轉磁場的時序控制、數據採集和通信等。採用單片機有利於加工過程的自動控制和與其它系統的介面。

Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

全文共分六章：第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等；第二章、針對五位置傳感器bldcm的起動問題，文中詳細給出了檢測脈沖轉子定位起動技術；第三章、從電機的數學模型入手，詳細論述了反電動勢端電壓法和系統的控制策略；第四章、介紹了硬體實現中的兩個重要器件： dsp （ tms320f240 ）和功率管逆變器控制晶元（ ir2131s ） ；第五章、詳細給出了控制系統的硬體實現細節；第六章、利用ti提供的ccs集成開發環境，將前面章節的控制方案用軟體加以實現，給出了主要部分的程序流程圖和一些編程要點以及實驗結果。