noise track 中文意思是什麼
noise track
解釋
雜波軌跡-
The former put stress on the research of time optimal control method, fuzzy discursion and moving track, and the latter on the study of ekf recursion algorithms, noise model and noise characteristic identification
前者的重點是最優時間控制方法、模糊控制器的推理以及運動相軌跡分析；後者側重於ekf的狀態估計方法、噪聲模型對濾波估計性能的影響以及噪聲模型的辯識方法。 -
Noise of a running train will be mitigated by low vibration track, floating slab track, train skirts and a multi - plenum system to attenuate airborne noise at source
為減低列車經過時所產生的噪音，支線的路軌會裝置彈性底板及浮動平板，列車亦會裝上裙邊及多重隔音系統，以消減因結構震蕩而產生的聲音。 -
But she felt it had been used. she turned down it adventurously, between the thick young firs, which gave way soon to the old oak wood. she followed the track, and the hammering grew nearer, in the silence of the windy wood, for trees make a silence even in their noise of wind
一條迷失的小徑，但是她覺得這條小徑是被人走過的，她冒險地沿這小徑上走去，那兩旁的小杉樹，不久便要給老橡林淹沒了，錘擊的聲音，在充滿著風的小杉樹，不久使要給老橡林淹沒了。 -
Based on mean shift algorithm i propose dynamical mean shift algorithm. in this paper, i use dmsa to track face in video sequences which combines a probability distribution image of flesh color. in the end of this paper, dmsa ' s tracking accuracy, tolerance to noise, distractors and performance are studied
在基於靜態圖像中使用的msa （ meanshiftalgorithm ）演算法的基礎上，本論文提出了dmsa （ dynamicalmeanshiftalgorithm ）跟蹤演算法，並結合膚色概率分佈，將其應用於人臉跟蹤的研究中。 -
With the speed up of railway transportation, the lightening design of vehicle seems to be more and more important. reducing the weight of vehicle can not only reduce the consumption of the raw materials and the power of traction, and increase the operation speed and improve the starting and braking performance of trains, but also has the advantageous to reduce the wheel / rail interaction forces, vibration and noise, increase the service life of the vehicle and the track, and economize the cost of transportation
隨著鐵路運輸速度的提高，車輛的輕量化顯得越來越重要，減輕車輛自重，不僅可以減少原材料的消耗，有利於降低牽引功率，提高列車的運行速度，改善列車的啟動和制動性能，而且可以有效的減少輪軌間的動力作用，減少振動和噪音，增加車輛和線路的使用壽命，節約運輸成本。 -
4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance
4 、深入研究了基於沿跡干涉釁1 ）技術的多孔徑sar系統地面動目標檢測和成像方法，給出了採用ati方法對兩幅sar復圖像進行慢速目標檢測的完整過程，詳細分析了各種因素如雜波、噪聲、目標信雜比、目標速度及多視處理等對檢測性能的影響，並通過大量的模擬給予驗證。 -
Other noise abatement measures taken include putting noise absorbing lining under the train car, beneath the walkways along the tracks and on the inside of the parapets, adding " skirts " to train vehicles, installing floating slab track and rubber bearings, and extending the walkways and parapets at critical sections
其他噪音消減措施包括在車底、路軌兩旁通道及護墻內側加設吸音墊；為列車加裝裙邊；在路軌裝置浮動板及橡膠墊片；以及在一些較接近民居的路段加闊路軌兩旁通道和加高護墻等。 -
The results show that the wayside noise increases 8db - 12db, if the train ' s velocity increase two times ; and increases 3 db, if the number of axles increase tow times ; and decreases 3db, if the distance far away from the track increase tow times damping loss factor increases, the wayside noise decreases ; coupling loss factor increase, the wayside noise increase
預測結果表明：列車通過時，在其他條件不變的情況下，列車速度增加一倍，輪軌輻射噪聲大約增加8db 12db ；列車軸數增加一倍，輪軌輻射噪聲大約增加3db ；預測點距軌道距離增加一倍，輪軌輻射噪聲大約降低3db 。 -
This thesis describes some means and measures of controlling vibration and noise of the urban rail transit in the world. emphasis is laid on floating slab track which is a mass - spring vibration isolation system and the best vibration - decreasing measure in rail transit system
本文敘述了國內外用於控制城市軌道交通振動和噪聲的一些方法和措施，重點討論了浮置板式軌道結構，它是一種質量?彈簧隔振系統，是目前軌道交通中減振效果最好的措施。 -
In the non - gaussian filtering algorithm, the measurement errors incorporating the multipath effects are modeled as the non - gaussian noise, and the filter are modified according to the score function. this algorithm, designed to track low - elevation targets, avoids the degrading of me performance because of ;. c non - gaussian noise in the filter
在非高斯演算法中，由於多徑誤差的影響，目標高度方向上的測量誤差表現為非高斯噪聲，首先建立觀測噪聲的非高斯模型，然後利用非高斯噪聲下的濾波演算法跟蹤低空目標。 -
This paper gives the way of using the ac servo drive instead of the traditional drive mode consisted of the main motor, the gears and belts, realizing the synchronous drives of the multi - motors. the closed loop control technology of the speed and the position embedding has been adopted to track in real time, then to reduce the transmission error and the noise, so as to increase the control precision and the stability of the combination and simplify the maintenance and repair of the mechanical and technical system
採用交流伺服驅動代替傳統的由主電機、齒輪和皮帶組成的傳動方式，實現多電機同步驅動;採用速度環和位置環嵌套的閉環控制技術，進行實時跟蹤，達到減小傳動誤差、減小噪音，增強機組的控制精度與穩定性、簡化機電系統的維護與修理的效果。 -
The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system
如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。 -
It has been reported that the alignment of the kowloon southern link ( ksl ) proposed by the kowloon - canton railway corporation ( kcrc ) is 50 metres away from the hong kong cultural centre ( hkcc ), and that kcrc will provide a special double - floating track slab inside the tunnel sections along salisbury road to ensure that the facilities of the adjacent hkcc do not suffer noise or vibration in excess of statutory limits
據報，九廣鐵路公司表示擬興建的九龍南環線鐵路定線距離香港文化中心50米，而該公司會在該線沿梳士巴利道一段的隧道內裝設一套特殊的雙重浮動軌道平板，以確保毗鄰的香港文化中心設施所受的噪音或震動影響，不會超出法例標準。 -
Furthermore, investigation of the source of noise and vibration is also an important issue. these problems can be solved in a direct and economical way with the correct approach to controlling their sources. this can be applied, for example, to techniques of train and rail construction, as well as wheel track mutual resistance
所以，本次捷運研討會特別訂定減振制噪之專題討論，邀請國內外噪音與振動之專家學者參與研討改善建議，亦邀集其他以輪軌系統建設之國家與城市共同分享心得，並期望各項先進科技與發展趨勢能納入本局未來捷運工程之努力方向。 -
After analyzing track performance, noise performance, and capture performance, the chapter draws a conclusion about how to design pll and how to select the parameters the best for the loop
通過對理想二階環的跟蹤特性、噪聲特性、捕獲特性的分析，得出環路的設計及環路參數的最佳化。 -
There are now 16 noise terminals in the noise and flight track monitoring network
現時，民航處在其飛機噪音及航道監察網路內共設有16個噪音監察站。 -
A noise and flight track monitoring system has been installed to assist the department to monitor the implementation of the noise abatement programme
民航處已安裝了一套飛機噪音及航跡監察系統，監察減低飛機噪音計劃的實施情況。 -
Aircraft noise and flight tracks are also monitored around the clock by a computer - based aircraft noise and flight track monitoring system
此外，民航處亦利用一套電腦輔助的飛機噪音及航跡監察系統，全日二十四小時不停監察飛機噪音及航跡。 -
An aircraft noise and flight track monitoring system was installed in june to help evaluate the track keeping performance and noise impact of flights operating to and from the kai tak airport
民航處於六月安裝了一套航機噪音及航道監察系統，以便評估航機按航道飛行的表現及在啟德機場升降時所造成的噪音。 -
Aircraft noise and flight tracks are monitored around the clock by the aircraft noise and flight track monitoring system, which comprises 16 noise monitoring terminals installed at various areas under or near landing and take - off flight paths
民航處亦利用飛機噪音及航跡監察系統，全日二十四小時密切監察飛機噪音及航跡，這套系統設有16個分佈在升降航道或其附近的固定噪音監察站。
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