sample pulse 中文意思是什麼
sample pulse
解釋
選通脈沖-
This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design
首先進行了方案論證，對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析，提出應用模糊控制和雙余法解決下述問題，即該論文主要的新見解和所完成的工作： （ 1 ）為了克服直流電機參數時變性和非線性因素對控制性能的影響，本設計中，雙閉環調速系統的外環採用模糊控制，內環採用pi控制，使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力； （ 2 ）針對常規數字觸發器演算法中觸發脈沖的可靠性不高，經常出現漏脈沖或是脈沖混亂的情況，本文採用雙余法，該演算法具有響應快，可靠性高，具有良好的適應性及抗干擾能力； （ 3 ）本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元，應用該晶元完成系統的軟硬體設計： （ 4 ）本文對系統抗干擾的軟硬體措施進行了重點研究； （ 5 ）設計了具有模糊控制的全數字直流傳動系統原理樣機，並進行了試驗驗證，對試驗過程中出現的問題及時解決，最終實驗結果證明設計是可行的。 -
The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time
可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時，要求地震儀長時間記錄地震信號，這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制，絕大多數地震儀很難對如此大的數據量進行記錄，同時，可控震源要求地震儀有兩個輔助通道並且具有數據相關功能，目前國內還沒有出現滿足要求的地震儀產品。 -
The deposition rate of aerosol particles in capillary tube was measured with submicrometer monodisperse polystyrene spheres solid aerosol particles and pulse sample inserting technique ; and studies were made on the relationship between the flow velocity, the tube diameter, the tube length and aerosol particles size
摘要採用亞微米單分散聚苯乙烯球形硬氣溶膠粒子和脈沖進樣技術，測定了氣溶膠粒子在管道中的沈積率，研究了沈積率與流體速度、管道長度、管道直徑和氣溶膠粒子大小之間的關系。 -
The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理，設計了浮動閾值二值化處理電路，採用兩路計數器對輸出脈沖信號采樣計數，最後送入微處理器進行運算處理，可實現測量值的儲存、顯示等，並設計了與上位機的通訊介面。 -
The pulse - peek sampling and adc module is able to catch a single and very narrow pulse in order to sample its peek value without being influenced by other pulses or noise. the pulse - peek sampling and adc module can also adapt itself to different rising edge of pulses, so it can scale different types of explorers made by our research institute
X射線探測器定標分析系統的前端脈沖峰值採集及其轉換電路能夠實現單個快速脈沖的捕捉及對不同脈沖上升沿陡緩的適應，它對不同傳感器的放大信號特徵都有很好的適應性，對脈沖峰值采樣的結果具有很高的精度。 -
Due to technology demand would carry out multi - place measure of wind pressure or negative pressure. because measured medium include high concentration coal powder and coal dust grain, often makes sample pulse pipe to stop up, and effect on correct measure of wind pressure, so to safety production causes serious menace
由於工藝上的需要，要進行多處的風壓或負壓的測量，因被測介質中含高濃度的煤粉或煤灰顆粒，常使取樣脈沖管堵塞影響風壓的正確測量，對安全生產造成嚴重威脅。 -
In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency
在脈沖編碼調制中，信號頻率和取樣頻率之間的差拍所引起的偽信號。 -
Back porch sample pulse
后肩取樣脈沖 -
According to m. sheik - bahae ' s theory the sample has a negative nonlinear refractive index under 1064 nm pulse laser. it was determined as 6. 5 x 10 - 21 m2 / w. meanwhile, the minimum value of normalized transmittance of z - scan curves without aperture are found at the focus, and indicate that nickel one - nuclear complexes have nonlinear absorption properties
同時開孔z掃描曲線在焦點處出現透過率的最小值，表明它具有非線性吸收特性，其非線性折射率為6 . 5 、 10一， ， mz / w ;我們還利用歸一化透過率曲線算得了這兩種鎳單核配合物的三階非線性極化率的實部。 -
This paper also introduces the following contents according to principle of field emission and human visual system ( hvs ) : the display principle of fed panel and pulse width modulation ( pwm ), the reason why pwm was used in fed system, driving method of pwm and two pwm methods used in present fed sample
此外，論文從場致發射原理和人眼視覺特性出發，介紹了fed顯示屏的顯示原理和脈沖寬度調制原理（ pwm ） ，分析了fed採用pwm工作方式的原因， pwm工作方式實現彩色fed顯示的驅動原理，還有目前本實驗室fed樣機所採用的兩種pwm方案。 -
In summary, we hae shown that increased pulse pressure, a simple and readily accessible if somewhat indirect measure of arterial stiffness, is likely an important risk factor for deelopment of af in a community - based sample
「總之，我們發現脈壓增加，如果說是一定程度上反映動脈僵硬間接測量的簡單方便（指標） ，那麼在社區樣本中，其很可能是進展發生房顫的一個重要風險因子。 」 -
Finally, the operation of pulse power supply system is analyzed on the basis of the improved esd, cesd and computer - aided esd software. this sample shows the applicability of esd and cesd methodology in knowledge acquisition technology of aid decision - making for missile - launching
最後用esd和逆向esd及輔助軟體來對導彈穩壓電源電路進行了示例分析，展示了esd和逆向esd方法在導彈輔助發射決策知識獲取中的適用性。 -
On the base of professor wenxiang wang ’ s patent - a small portable high power microwave meter ( no : zl00112613. x ), the scheme of high power pulse microwave power and frequency meter is proposed. the sample meter is designed
本論文在王文祥教授專利《一種小型便攜式微波大功率計》 （專利號: zl00112613 . x ）基礎上，提出了便攜式大功率脈沖微波功率頻率計設計方案，研製完成了大功率脈沖微波功率頻率計樣機。
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