constant error 中文意思是什麼
constant error
解釋
常在誤差。-
We also give the theoretical error result of antithetic variable monte carlo ( amc ) method for multi - variable functions whose degree is no more than two. the constant before o ( n - 1 / 2 ) is less than that of the mc method
對次數不高於2的多變量函數， amc方法其誤差階是o （ n ~ （ - 1 / 2 ） ） ，但其系數比原始蒙特卡羅積分（ mc ）方法的誤差階的系數小。 -
Calibration constant error and function for gyro - compass on sea trial
航行試驗中電羅經固定誤差校正和效用試驗。 -
The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve
導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程 -
On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。 -
Expansion rate hubble constant value ho 71 km sec mpc with only 5 percents margin of error
71公里秒百萬秒差，誤差只有百分之五。 -
Bounds of undetected error probability for binary constant weight codes
關於一類二元非線性等重碼檢錯性能的進一步分析 -
The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly
摘要為了準確評價伺服電動機的動態性能指標，從電機的電壓、轉矩平衡方程式出發，在理論上對永磁直流伺服電動機的時間常數進行了分析探討，並對工程實際中常用的幾種測試方法進行分析和比較，指出其差別和適用范圍以及可能造成的測試誤差。 -
The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived
具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。 -
Machines in this series are suitable for opposite folding and edge sealing of pe coil materials of feminine napkins, packing bags, etc. auto error correction of material placing, magnetic powder control of reeling and unreeling, constant temperature hot knife, sold and smooth edge sealing
該機適用於衛生巾包裝袋等pe卷料的對折邊封。放料自動糾偏，收放卷磁粉控制，恆溫熱刀，刀架氣動調節，邊封牢固平整。 -
Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design
將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構，應用經典的機構近似綜合理論與現代的誤差理論，建立了速度逼近常數的數學模型，討論了主要機構參數存在區域及對運動、動力性能的影響，分析了傳動比理論誤差，提出了系統完整的計算機輔助尺度綜合的步驟與方法。 -
By theory and practice simulation, the several types of constant envelope modulation techniques are analyzed and compared, including theirs modulation principle, phase path, the modulated wave envelope, power spectrums, error bit rate and the influence of its power spectrums of the band - limited and non - linear, etc. especially we have researched the ijf - oqpsk modulation technique, and the performance of its inter - symbol interference and time jitter free, and its strongly resisting of spectral spreading
結合理論和實驗模擬結果，分析討論了衛星通信中的各種恆包絡調制技術，對它們的調制原理，相位路徑，已調波包絡，功率譜密度，誤碼性能，以及帶限非線性通道對其功率譜的影響等方面都作了研究和比較。特別研究了ijf ? oqpsk在消除碼間干擾和定時抖動方面的性能及其優良的旁瓣特性和抑制頻譜擴展特性。 -
Besides, it owns low error, low temperature - coefficient, and stable performance because its rc constant equals the ratio of two capacitors
另外，由於是用電容比來決定時間常數，具有誤差小、溫度系數低以及性能穩定等優點。 -
The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids
在本文最後一節，為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設：乓久w兀的有效性，及由此假設而推導出來的等壓態方程的廣泛應用性，本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo （ n 、熱膨脹系數a （ n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測，且與相應的實驗數據作了比較與分析 -
One of the important prerequisites for nn to approximate the nonlinear function f ( x ) is the states x of the system should be in a compact set. therefore, the unkown unlinear systems can be expressed by nn and a model error e ( x ), and there exists a positive constant 6 such that e ( x ) < 8. so the problem can be incorporated into robust adaptive control
神經網路可以逼近非線性函數f （ x ）的一個重要前提是x必須落入某一緊集s中，因此在一緊集u上，未知的非線性系統就可以用神經網路及一建模誤差項（ x ）表示出來，且存在一正的常數，使得（ x ） ，從而這一問題可以歸結到魯棒自適應控制中。 -
Study of the harmonic distortion in testing circular division ruling error using constant angle method
常角法檢測圓分度刻劃誤差諧量失真的研究 -
Error analysis and elimination for measuring the widing temperature - rise of electromotor with a constant flow source method
恆流源法測量電機繞組溫升的誤差分析及消除 -
Further analysis of the existence on nonlinear constant weight and good error - detecting codes
非線性等重檢錯好碼的存在性的進一步分析 -
The sources of error in the experiment of measuring wavelength and grating constant with diffraction grating are analysed. the improving method and theory base are also provided
摘要分析了用透射光柵測波長和光柵常量的實驗中，某些因素對測量結果精確度的影響，並提出了提高測量精確度的方法和依據。 -
Constant direction error
恆定方向誤差 -
By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control
通過使用plc ，使該自控系統可以完成如下功能：適用於溫度及煙塵量變化快、控制過程難以操作的場合；通過溫控表自動跟蹤增濕塔出口溫度，誤差達到3以內；通過自動噴霧來降低粉塵比電阻，以此充分發揮電收塵器的作用；由於採取了閉環反饋迴路，達到了響應速度快，恆溫控制精度高；通過使用各種檢測傳感器，使得異常情況泄水快；該自控系統具有多套控制參數，增濕塔出口控制溫度及調節閥下限值可通過按鍵設定；可與上位機通訊，具有「現控遠控」功能。
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