計時器不準 的英文怎麼說

中文拼音 [shízhǔn]
計時器不準 英文
when a watch is not accurate
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • 計時器 : calculagraph; time meter; chronoscope; timer; time market; time totalizer; elapsed timer; running...
  • 計時 : reckon by time; timing; chronography
  1. Ray kurzweil, in his book the age of spiritual machines, calculates that there have been 32 doublings since world war ii and that the singularity point ? the point at which total computational power will rise to levels so far beyond anything that we can imagine that it will appear nearly infinite and thus be indistinguishable from omniscience ? may be upon us as early as 2050

    科茲威爾在他《心靈機代》一書中算,從第二次世界大戰以來,已經有了32次的倍增,而奇異點的來臨(意指所有電腦運算能力都提升到一個超越想像的水,因而彷佛具有無窮的能力,已經無異于無所知)可能就近在2050年。
  2. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過算機控制壓力鉗,僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於官水平上觀察機械電反饋現象並探討其機制
  3. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過算機控制壓力鉗,僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於官水平上觀察機械電反饋現象並探討其機制
  4. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設位置環的離散滑模控制,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制的設方法」 ,以確保系統在參數攝動的穩定性和快速、無超調、確定位的優良動態品質.為剖析該設方法的控制效果,本文作了對比性研究,並將該設方法用於工業試驗中,取得了滿意的結果
  5. Aiming at the problem that the seeds picked up by the suction plate of the seed metering device cannot accurately fall into the seed pit opener as well as into the seed pit, an innovated seed metering device on which the seed dropping angle can be adjusted within a certain range and a new testing stand have been developed in accordance with the mathematical calculation model that had " in accordance with the mathematical calculation model that had been established previously. then an experimental study is conducted and the seed dropping law has been found out through the study

    本論文根據2bqm - 2型氣吸式精量鋪膜播種機的結構和工作原理,針對該機在實際播種中,吸種盤吸出的種子能滿足確地落入在膜上滾動開穴的鴨嘴內,並及地排入到鴨嘴所成的穴孔內的設要求,進行了一定的試驗研究,利用已建立的算數學模型,設新的試驗臺,改進排種,使排種的落種角度可以在一定的范圍內調整。
  6. As the popularization and application of integrate logistics support engineering thinking at our country industry field and the military continuously, the evaluation of equipment integrate logistics support capability become the mostly means to check up the stand and fall of equipment character of supportable design, the efficiency of the equipment using supportability and the decision - making to equipment ' s continuous model development, at the same time, along with the development and maturity of computer simulation technique, the research of analysing and evaluating equipment ' s effectiveness steps into a new stage, we can get the handle and maintain data on the base of originally lasting accumulating in existence by utilizing the computer emulating technique, which is necessary to analyzing and evaluating the ground - to - ground missile ' s integrate logistics support effectiveness, via simulating the handling and maintaining process of ground - to - ground missile weapon, we can evaluate the ils effectiveness comp rehensively, impersonally, veraciously, consequently, provide decision - making gist to make the best support project

    隨著綜合保障工程思想在我國工業界和軍方斷普及和推廣應用,裝備綜合保障能力的評估成為檢驗裝備保障性設好壞、裝備使用保障效能高低以及裝備后續型號發展決策的主要手段,同隨著算機模擬技術的斷完善和成熟,裝備效能分析與評估研究進入了一個新階段,我們可以在導彈武綜合保障效能分析與評估所需使用與維修數據原始積累的基礎上,利用算機模擬導彈武在真實使用環境中的使用維修過程,達到對導彈武系統的綜合保障能力進行更全面、客觀、確的評價目的,從而為裝備保障部門制定最優的保障方案提供更好的決策依據。
  7. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字分割( pwm )脈寬調制技術,在測量的確性、硬體電路的簡化等方面都比模擬乘法具有較高的優越性。所謂合理的量電能,就是非線性負載回饋給電網的負的諧波電能,而採用基於數字分割的基波交流參數測量的方法,真正實現了電能的合理量。
  8. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強度理論,我們算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移確地提取出了各模塊的數據;用平滑濾波和均值濾波理論,我們濾除了由於反應均勻及硬體設備穩定帶來的噪聲;用交遇區設線性分類的方法,我們降低了有限樣本設線性分類帶來的誤差,提高了檢驗確度。
  9. Accordingly, the vd head, the first thermostatic head especially for integrated valves, is not only a technically systematic development but also meets the customer s high demands on design and convenience in the home thanks to its perfect design

    Vd旋鈕是專門用於閥控暖氣片的溫控旋鈕,僅是持續革新的產物,由於其造型優美,因此同也能滿足消費者對外形設和舒適度的高標要求。
  10. Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing

    摘要通過對我國現行減速行業標及煤炭行業生產現狀與國外同類減速的對比分析,提出了同散熱方式對減速熱功率的影響,給出了在設和選用大功率減速,針對同的工況所應採取的有效散熱方法,保證減速熱功率的有效提高,最大限度地發揮和使用設機械功率。
  11. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基的標定和觀測棱鏡偏心差的測定;設同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和算機的內部間系統,發現兩者存在較大差異。
  12. We create a transducer model by software which name is pro / e, then carry out solution by leading it in another software which name is ansys. not only we gain the size of the transducer, but also make nodal section locate in carriage, and make design more easy and exact

    本文用三維軟體pro / e建立了換能的模型,然後導入ansys中進行有限元分析,僅確定了換能的尺寸,同還保證了換能的節面正好位於支撐鋼板的中間,使得設更加容易和確。
  13. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了電子算機模擬的分類、 mosfet的建模發展動態、對件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型;第三章推導了mosfet的大信號模型,這兩類模型同於傳統模擬軟體例如pspice中的等效電路模型,而是從模型方程出發,採用數值模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效電路模型的方法,但是本文分別討論了靜態和非靜態件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做件的模擬分析與件設候,就可以利用模擬軟體逐步深入地分析件在同的條件下和件的同部分在工作的各種小信號特性,有利於抓住件工作的本質特性,設出符合要求的各類通用和特殊件。
  14. Gps receiver module get signals from satellites ahead. the signals contain timing and positioning information from the satellites, which can determine the time and the position of the receiver accurately

    全球定位系統接收負責接收來自衛星的訊號。訊號包含該衛星的間和位置資料;利用同衛星的資料,可以推算該觀測站的確位置和間,並將確的報訊號傳送到
  15. In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods

    本文在調查和分析國內外局用交換機費系統工作原理、檢測方法和相關標的基礎上,對費系統的工作原理和產生費錯誤的原因進行了詳細的分析,提出了適合國情的能夠客觀評價費系統量性能的技術指標和檢測方法,有些指標和檢測方法在國內相關資料中屬首次提出,如通話誤差和刻誤差和對移動交換機費系統的一些檢測方法;本文通過對電信基礎業務和各類增值業務的費方式、費用戶、費點和費方法的分析,利用國內外最新檢測儀、現代檢測技術、通信技術和概率統方法,提出了較科學、有效和利於實施的檢測方法,並對檢測結果的測量確定度進行了分析。
  16. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設了一個1 . 5v低功耗軌至軌cmos運算放大。在設輸入級,為了使輸入共模電壓范圍達到軌至軌,是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設中,電流鏡負載並是採用傳統的標共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設,為了提高效率,採用了推挽共源級放大作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基源基於運放的設,採用了帶電流鏡負載的差分放大了一個基電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  17. The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one cunt per breakdown when the spark gap is open and is of the length shown above, with the current limiting impedance in series with the gap

    在最底靈敏度測試的候,應先接入上述要求的人工擊穿裝置,啟動人工擊穿裝置,使金屬板與金屬針間的火花間隙被連續擊穿20次,要求火花試驗機的擊穿應記錄20次,對每次擊穿都應確無誤地數,應多應少
  18. The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one count per breakdown when the spark gap is open and of the length shown above, with the current limiting impedance in series with the gap

    在最底靈敏度測試的候,應先接入上述要求的人工擊穿裝置, ,啟動人工擊穿裝置,使金屬板與金屬針間的火花間隙被連續擊穿20次,要求火花試驗機的擊穿應記錄20次,對每次擊穿都應確無誤地數,應多應少
  19. First of all, for uncertain systems and state - delayed uncertain systems, the residual generators are constructed based on full - order filters, and the fault detection and isolation problems for these two classes of systems are reduced to h filtering problems by using h control theory. the fault detection filter design is formulated as convex optimization problem subject to lmi constraints in terms of linear matrix inequalities, which can be solved readily by using standard numerical software

    首先,針對非確定系統和具有狀態滯的確定系統,採用全階濾波構造殘差產生系統,利用h控制理論將這兩類系統的故障檢測與分離問題轉化為h濾波問題,採用線性矩陣等式技術將魯棒故障檢測濾波的設轉化為具有線性矩陣等式約束的凸優化問題,可利用標的數學軟體求取。
  20. The main contents of this paper are outlined as follows, ( 1 ) the physical significations and the correlativities of the often - used h performance targets are summarized, the selection strategies of the weighting functions are researched, and loop - shaping method as well as standard problems of robust h control are introduced. the frequency domain methods of robust h control are also introduced to solve the rate - based congestion control problem of the high - speed communication networks, and the h based controller are designed to deal with the time - delay problem of the single bottleneck node and multiple resources networks

    主要研究內容包括( 1 )總結了各種常見h性能指標的物理意義及相互關系,探索了權函數的選取策略,介紹了迴路成形方法及h控制標問題;最後把h控制頻域設方法應用於解決高速通信網路基於流速的擁塞控制問題,設基於h控制理論的流控制用於解決多源單瓶頸網路中確定多滯問題。
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