train frequency 中文意思是什麼
train frequency
解釋
教練設備-
Audio frequency transistor train dispatching telephone
音頻晶體管列車調度電話 -
The kcrc east rail has recently been undergoing a number of improvements including the train refurbishment, station renovations, procurement of new electric multiple unit train sets, installation of new signaling and train controlling systems, etc. these would improve train frequency, safety and passenger comfort
九廣鐵路東鐵最近完成多項改善工程，包括改建車廂、重修車站、購置全新的電動列車、安裝新的燈號設施及火車監管系統等，在火車班次、火車安全度及乘客舒適度等方面提高了服務水平。 -
The programme logic controller is utilized to control the inverter ' s output frequency which accomplishes controlling the velocity of speed - controlling asynchronous moter. the velocity between main asynchronous moter and speed - controlling asynchronous moter is composed by way of the differential planetary gear train, the tranmission system is made to regulate velocity stepless in large scope which succeed in controlling starting progress of load
使用可編程式控制制器對變頻器的輸出頻率進行控制，實現對調速電機轉速的控制。調速電機與主電機的轉速經差動行星輪系的速度合成，可使傳動系統在很大范圍內無級調速，實現對負載的可控起動。 -
With the increasing demands of tung chung line train service, mtrcl is committed to provide noise barriers at tung chung along airport express line to mitigate the expected excedances of the noise limits under noise control ordinance due to increase in train frequency
隨著東涌列車服務需求量不斷增長，地鐵公司決定在東涌沿機場快安裝隔音屏障，以保證在列車班次增加的情況下符合噪音管制條例的規定。 -
Train frequency will be maintained at a 5 to 10 - minute interval during the extended period
在延長服務期間，列車班次將維持約五至十分鐘一班。 -
The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %
（ 3 ）實現了在大功率泵浦、無水冷的情況下cr ~ （ 4 + ） : yag飽和吸收體被動調q ，得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出，脈沖的穩定性為6 。 -
The factory is an advanced unit in jiangsu quality control, a " good credit standing of contract and honor " unit judged in continuous 8 years, one and only factory under authority with city quality control office in the sane area. our company specially manufactures various kinds of washing equipment such as water cleaning, dry cleaning, ironing, stone - scrubbing, sand - scrubbing, dyeing. they are widely used in various fields such as hostel, restaurant, hospital, train, schools and launeries. especially the automatic speed controlled by frequency conversion washing and dehydrating machine gained the gold reward on ' 97 shanghai international washing and ironing machine exhibition, new model wide ribbon no pressing tracks ironing, leading the advanced level in the same area in china
公司所屬廠系江蘇省質量管理先進單位，連續八年被評為市「重合同守信用單位」 ，是泰州市同行業中唯一受市質檢所監制的廠家，專業生產各類水洗、乾洗、整燙、石磨、沙洗、染色、噴砂等系列設備，廣泛用於紡織、印染、絲綢、服裝、化工、賓館、飯店、醫院、列車段、院校等各種行業，其中全自動變頻懸浮洗脫兩用機獲97年上海國際洗整機械設備及用品博覽會金獎，新型變頻調速無壓痕燙平機在國內同行業中具有領先水平。 -
The specifications and test methods for 450 mhz same different - frequency simplex train radio dispatching equipment
450mhz同異頻單工列車無線調度設備技術要求和試驗方法 -
The author holds that, for the operation in urban mass transit, it is beneficial to design by stages, especially to determine the train - frame and driving frequency in the initial - stage, the short - term as well as the long - term separately
對于軌道交通的運營組織，採取分期設計很重要，尤其是應分別確定初、近期和遠期的車輛編組和行車密度，這有利於抗風險設計。 -
Signal frequency analysis and its application in the train vertical impulse analysis
的信號頻域分析及其在列車沖動分析中的應用 -
Digital technology : also called the digital sound recording technology, is through the computer in digital audio frequency connection, the tonic train signaling, inducts the computer, transcribes the profile document to carry on the memory, again according to needs to carry on the edition through the multi - axle sound recording software combines full document which we need, finally outputs again transcribes cd or other audio frequency form
數字技術又稱數碼錄音技術，是通過計算機中的數字音頻介面，將話筒或其他音頻信號導入計算機，錄製成波形文件進行存儲，再通過多軌錄音軟體按照需要進行編輯，組合成我們需要的完整文件，最後輸出錄製成cd或其他音頻格式。 -
Internal shuttle train between east hall and west hall with frequency less than 3 minutes
貫通客運大樓東、西大堂的穿梭列車。 -
By processing real - time digital analog fault vibration signal and adopting minimum quadric multiplication and rectangle function, correct frequency chart will be gained. thus, the system design based on advanced dsp can be applied to the real - time fault diagnosis of rolling bearing in modern high - speed train
通過對採集的模擬的有故障振動信號進行在線實時數字信號處理，並在信號分析方面採用了最小二乘法及加窗函數，以獲得正確的頻譜，通過信號處理，並進行結果比對，進而可證明此系統在高速列車轉向架滾動軸承在線診斷中應用的可行性。 -
The installation of an automatic train protection system, which enhances the safety of train operations, was completed in 1998. with the completion of the new automatic train operation system at the end of year 2002, all train operations were computerised and train frequency improved
為提高列車運作的安全程度，列車自動保障系統於一九九八年安裝完成，而於二零零二年底投入服務的列車自動操作系統，將列車運作全面電腦化，進一步增加列車班次。 -
The ministry of railway has developed two kinds of frequency - shift track circuits based on the primary 4 - information frequency - shift system : 18 - information frequency - shift auto - blocking track circuit made in china and um - 71 jointless track circuit made in france, and put them into use on some important lines. but at the mean while, the safety of running train becomes austerer and austerer
鐵道部根據我國國情，在原有4信息移頻制式的基礎上，研製開發了兩種移頻軌道電路:國產18信息移頻自動閉塞系統和法國um - 71無絕緣軌道電路系統，並將其應用到我國部分主要線路上。 -
Test methods for commercial frequency track circuit type automatic train stop
商用頻率軌道線路式列車自動停車裝置的試驗方法 -
Test methods for frequency shift type automatic train stop
變頻式列車自動停車裝置的試驗方法 -
The wave frequency has close relationship with the train ’ s speed. the train ’ s speed is more rapid, the frequency of wave is also higher, and the wavelength is shorter. if the distance between two wheels on the same rail is equal to
如果兩個車輪之間的距離等於半波長的奇數倍，那麼當這兩個車輪所產生的振動波傳播到鋼軌上同一點的時候，所引起的振動在該點的相位正好相反，振動疊加后的和位移將為零。 -
After collecting the characteristics of this signal in frequency domain, the samples are learned to train the constructed wavelet neural network ( wnn ) for realizing the mapping relationship between the fault and the spectrum characteristic, this method can be used for diagnosis of the unit faults efficiently
在對水電機組振動信號進行頻譜分析后，提取該信號在頻率域的特徵量，將頻譜特徵向量作為學習樣本，通過訓練，使構造的小波神經網路能夠反映頻譜特徵向量和故障類型之間的映射關系，從而達到故障診斷的目的。
分享友人