low accuracy 中文意思是什麼
low accuracy
解釋
低精確度-
Early speed control systems on turbine all adopted pure mechanical hydraulic speed control systems, which had intrinsic defects. for example, the percentage of delay is large, dynamic regulation characteristic is bad, control accuracy is low, the operation is cockamamie, the running and maintenance are not convenient, and so forth. in order to solve these problems, it is necessary to substitute a completely new, advanced speed control system for previous mechanical hydraulic one
早期的汽輪機調速系統均採用機械純液壓調速系統，機械液壓系統具有固有的缺陷，如遲緩率大、動態調節品質差、控制精度低以及操作繁瑣、運行、維護十分不便等，解決這些問題均要求採用一種全新、先進調節系統來取代原有的機械液壓式調節系統。 -
Arranging the courses by hand and traditional ways, we have great work load, cost much time, use up many resources, but the accuracy of curriculum schedule is low
使用手工或傳統的方法來排課，不僅工作量巨大，耗時、耗資，且準確率低。 -
High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country
Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。 -
At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。 -
But its accuracy of detecting is low in application. in this paper we try to find a method based on artificial neural network to improve the accuracy of detecting faulty insulators
本文力圖通過大量的實驗室和現場數據的分析，發展一種基於人工神經網路的不良絕緣子診斷方法，提高脈沖電流法用於檢測不良絕緣子的準確性。 -
The jdam ( joint direct attack munition ) is a low - cost and high accuracy guidable bomb, owning to the laser guidable bomb have found many of disadvantages in the war. it is very important realistic and martial signification that we must develop the homing gliding missile though we are lacking in support from the finance
Jdam （聯合制導攻擊炸彈）是美軍針對第三代激光制導炸彈在戰爭中所暴露出來的各種缺點而研製的一種低成本、高精度的第四代制導炸彈，大力發展國產同類制導滑翔彈有重大的現實意義和軍事意義。 -
Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning
與原有的兩次采樣a / d轉換器相比，用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器，具有集成度高、準確度高、適用性強、價格低等優點，可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。 -
Static weighting platform has the requirement of low vehicle speed. it also has low accuracy and is liable to miss measurement
路面上的靜態秤臺需要車輛以較低車速通過且檢測精度不高、易造成漏檢。 -
In order to resolve the problem of low accuracy, computing overhead and the high false negative probability that the current detection technology suffered, the protocol misuage detection becomes one of the research fields in the development of network intrusion detection
針對基於模式匹配方法的誤用檢測技術存在的檢測率低、計算量大和高漏報率等問題，使用協議分析方法實現異常檢測技術成了網路入侵檢測的重要研究方向。 -
The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量，是判斷絕緣油的劣化與污染程度的有效預防性試驗，是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而，目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷，針對這一現狀，本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。 -
In order to solve the problems of high difficulty of neural network training and low accuracy of fault diagnosis under above circumstances, a fault re - classification method based on neural network fault diagnosis in analog circuit is proposed and the mathematics model of the method is given
針對在該情況下神經網路訓練困難與故障診斷正確率低的問題，提出了一種適于模擬電路的、基於神經網路故障診斷的故障重分類方法，給出了該方法的數學模型。 -
The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure
該系統充分利用微電子技術和計算技術以及通過實際現場總結的經驗，主要從測量與變送環節採取的措施、相關參數的在線實時補償演算法、非正常情況的在線補償三個方面對如何提高量精度加以論述，盡可能地彌補孔板差壓式流量計量程比較小、檢定周期短、維護環節多、準確度低的不足。 -
Conventional building - mortar is usually blent into in the construction local, which possesses many defects such as low accuracy of mixture ratio, poor stability of quality, contractility of bigness, broad fluctuation of felted strength, anti - penetrability of feebleness, collapse of easiness and ect, and it is vital reason, resulting in lots of engineering quality accidents as following : crack in the wall, swelling, penetration, and collapse. mortar made in the local is at the cost of wasting materials and contaminating environment
傳統的建築砂漿都是在施工現場拌制，現場拌制的砂漿各組分計量準確度低、質量穩定性差、收縮性大、粘結強度波動大、抗滲性差、易剝落，是建築工程墻面開裂、起殼、滲漏、甚至墻體倒塌等質量事故發生的主要原因；現場拌制砂漿還會造成材料浪費和污染施工環境。 -
The controlled system has much defect, such as asymmetry of the dynamic characteristic, low accuracy, bad stability. on the contrary, self - adaptive control can eliminate model error, restrain outside disturbance and parameters ’ change of the system
由於被控對象本身具有動態性能不對稱，系統精度低，穩定性差等缺點，而自適應控制具有消除模型化誤差，抑制外界干擾及本身參數變化等優點。 -
To solve the problems of slow convergence speed and low accuracy of the multilayer feedforward process neural networks, a double parallel feedforward process neural networks model is proposed
摘要為克服多層前向過程神經網路收斂速度慢、精度低的問題，提出了一種雙並聯前向過程神經網路模型。 -
Concerning the problem of low accuracy and speed of filter in bearings - only target tracking, the algorithm of underwater bearings - only passive target motion analysis is improved from ekf to maekf
摘要針對純方位被動目標跟蹤中擴展卡爾曼濾波器容易發散，從而導致濾波精度差而且收斂速度慢的問題，文中將水下純方位被動目標運動分析中的擴展卡爾曼濾波演算法改進為衰減記憶卡爾曼濾波演算法。 -
In order to overcome the disadvantages of low accuracy, high complexity, and lack of robustness in many actual pitch detection algorithms, a new algorithm for pitch detection on the basis of local modulus maxima of dyadic wavelet transform was presented
摘要為了克服目前諸多基音周期檢測演算法精度低、計算復雜度高、魯棒性差的缺點，研究了一種採用二進小波變換模極大值進行基音周期檢測的演算法。 -
Due to its slow speed and low accuracy in location, the traditional single observer passive location and tracking ( soplat ) technology has proved itself hard to meet the demand of tactics. it is urgent to discover a new soplat system and location technology
但由於傳統單站無源定位方法的定位速度慢、定位精度低，難于滿足實際戰術應用的需要，因此探索新的定位體制和技術也就成為單站無源定位研究的必然要求。 -
A new genetic neural network is to conduc the non - rigid modeling, which is first put forward, in accordance with some drawbacks of the current software compensation, which include low accuracy and trouble some expressions. and the current difficult questions, which include local minimum problem and the selection of the number of neural network hidden units, are done
針對現有誤差補償過程中精度較低等問題，提出了一種改進的遺傳神經網路演算法建立三坐標測量機非剛性誤差模型，這種演算法克服了現有bp演算法神經網路建模存在的局部極小點、網路隱單元數選擇等問題。 -
Conventional methods for fiber differentiation, which are often carried out by hand touch and eyeballing, have the disadvantages of low accuracy, bad robustness and inefficiency. therefore, developing a set of intelligent automatic analyzer for fiber quality inspection is of great significance
傳統上對羊絨及其混合纖維的檢驗與測試多利用投影顯微鏡法，這種方法人為因素干擾大，準確率不高，且勞動強度大，因此開發一套羊絨和羊毛混合纖維自動檢測系統，對客觀評定纖維的品質及數量具有重大意義。
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