Based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer.

文摘：在分析飽和蒸汽和過熱蒸汽密度的數(shù)學(xué)模型的基礎(chǔ)上指出97爱爱，溫度檢測(cè)的偏差對(duì)智能流量積算儀的精度影響極大93一区=区三区持级黄色毛片，尤其是飽和蒸汽，測(cè)溫電路的精度應(yīng)設(shè)計(jì)為遠(yuǎn)高于儀表的精度玖玖色热在线，同時(shí)引入一種基于比率法的高精度測(cè)溫電路91POPNY丨国产熟女。

And this causes a frequency change Δf. The resonant point tracing algorithm describes how to detect Δf. So it can introduce a feedback frequencydifference -Δf through a closed loop to realize the resonant state o In the digitaldetection scenario, using staircase wave to replace saw tooth wave, it can overcome a lot of shortcomings in the analog system. The character of the staircase wave affects the detection precision directly. This thesis analyzes a high precision scenario producing a staircase waveform in detail. It can reduce the number of the bits in D/A converter greatly. This thesis proposes another method to improve the detection precision in case that the A/D converter has comparatively little number of bits, while this method will not increase the cost of the system greatly.

在諧振式光纖陀螺中，環(huán)形諧振腔的旋轉(zhuǎn)使得諧振腔的諧振頻率發(fā)生了變化欧州免费AV午夜福利，從而產(chǎn)生了一個(gè)與旋轉(zhuǎn)速度成正比的頻率變化值△f日韩揉揉人人澡澡人人，諧振點(diǎn)跟蹤算法描述了如何檢測(cè)出△f，從而可以通過閉環(huán)在系統(tǒng)中引入反饋頻差-△f日韩国产欧美精品，實(shí)現(xiàn)光路的諧振狀態(tài)欧美一区二区一页；在數(shù)字閉環(huán)檢測(cè)方案中，用階梯波作為反饋信號(hào)來代替鋸齒波欧美自拍日韩极速影院，可以克服原來模擬系統(tǒng)中鋸齒波的很多缺點(diǎn)欧美色日韩，階梯波的性能直接影響著系統(tǒng)的測(cè)量精度韩国Ⅴ欧洲V日本VA片在线观看，本論文詳細(xì)分析了一種高精度階梯波生成方案，使得所需D／A的位數(shù)大大降低麻豆国产在线观看无码；本文還分析了A／D轉(zhuǎn)換器對(duì)系統(tǒng)測(cè)量精度的影響欧美久久精品影院一本到综合，提出了一種A／D轉(zhuǎn)換器位數(shù)較少的情況下提高系統(tǒng)測(cè)量精度的措施，同時(shí)又不會(huì)增加太多的系統(tǒng)成本一上l一老女一级A免‘。

To get the observer's Lat.and Long.just by pressing a button without the sea horizon to turn to,we should know clearly the relationship between the accuracy of zenith distance observed and the accuracy of a position fixed,the causes of the errors of zenith distance observed,what accuracy of zenith distance observed could be obtained and what accuracy standard should be used.

要在無水天線測(cè)天時(shí)一按按鈕就可定出較精確的船位經(jīng)緯度欧美老妇人和小伙子性生交，必須弄清天體頂距測(cè)量精度對(duì)定位精度的影響，弄清頂距測(cè)量誤差產(chǎn)生的原因欧美成人情欲小说视频网站在线观看，可達(dá)到的精度及選用適當(dāng)?shù)?strong>精度標(biāo)準(zhǔn)毛片精品視频一区二区三区。

Applied example makes clear, PSO can be solved well have nonlinear the computational precision of the least square method of optimizes problem;PSO computational precision excel that optimize target function or has multi-parameter, define with other and contented standard most the methodological computation precision of zonule condition comparatives, can achieve the result with taller precision and come true simply easily.

應(yīng)用實(shí)例表明，PSO能夠很好地解決具有非線性優(yōu)化目標(biāo)函數(shù)或具有多參數(shù)的優(yōu)化新問題九九视频精选；PSO的計(jì)算精度優(yōu)于最小二乘法的計(jì)算精度特黄又爽又大又粗一级A片，和其他滿足標(biāo)準(zhǔn)定義的最小區(qū)域條件的方法計(jì)算精度相當(dāng)，能夠獲得精度較高的結(jié)果且簡(jiǎn)單易于實(shí)現(xiàn)美女一线天。

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The positioning result of phase and broadcast ephemerides are gained using time-satellite differential model after canceling SA, the precision for 24 hours phase observation data is about 1.1 metre,the precision for 2 hours phase observation data is about 1.3 metre,the precision for 1 hour phase observation data is about 1.6 metre ,the precision for 20 minutes phase observation data is about 2.7 metre.

采用時(shí)星差模型得到取消SA后相位和廣播星歷的定位結(jié)果：用24小時(shí)的相位觀測(cè)數(shù)據(jù)定位精度在1.1米水平久久黄片不卡；用2小時(shí)的觀測(cè)數(shù)據(jù)定位精度在1.3米水平色黄视频污；用1小時(shí)的觀測(cè)數(shù)據(jù)定位精度在1.6米水平；用20分鐘的觀測(cè)數(shù)據(jù)定位精度在2.7米水平中国内地毛片免费高清。

Repace the thrust bearing in the Fidaptor periodically,when you use the Fidaptor repeatedly,bearing will wear and become damaged,thereby losing their smooth rotation and resulting in deteriorated measurement accuracy.

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To delineate the role of these factors in tissue oxygen moni tor,a multi-layered Monte-Carlo method was applied in this paper.The result of the simulation shows the accuracy of tissue oximeter decreases with the increas e of the thickness of overlaying tissue;The higher variation of SO2 itself,th e higher regional blood volume in tissue and the higher haematocrit in blood intr oduce additional error in measurement.

本文利用多層介質(zhì)條件下的蒙特卡方法對(duì)影響近紅外光譜組織氧檢測(cè)精度的因素進(jìn)行了仿真，結(jié)果表明外層覆蓋組織厚度的增加導(dǎo)致檢測(cè)精度的急劇下降一级毛片激情人妻，較大的局部血氧飽和度波動(dòng)本身也會(huì)降低測(cè)量精度99re在线观看视频这里只有精品，較高的血容積和紅細(xì)胞比容都對(duì)測(cè)量精度不利。

Increasing observation accuracyand reducing the error of the measuring ship will improve the accuracy of orbit determination during Translunar orbit phase,and the reduced dynamic method and improvement of lunar gravity accuracy will benefit the accuracy of orbit determination during Misson Orbit phase.

在奔月階段免费看的黄色网页，提高觀測(cè)量精度和減小測(cè)量船的點(diǎn)位誤差將有助于提高定軌精度三级网址免费久久，而在環(huán)月階段免费一级A片26分钟，采用減縮動(dòng)力學(xué)方法和提高月球重力場(chǎng)精度將有助于提高定軌精度。

New coefficients of the equation are developed, then a set of coning error compensation algorithm is derived.

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