unit frequency 中文意思是什麼
unit frequency
解釋
單元頻率-
For protective female worker healthy, law set the labor range that female worker prohibits be engaged in, unit of choose and employ persons must not arrange female worker to be engaged in the following these law prohibit the labor that female worker is engaged in : ( 1 ) course of study of mine well dirty ; ( 2 ) silvan industry cutting, put in arris and banish exercise ' s charge ; ( 3 ) " physical labor intensity classifications " the 4th class in the standard the exercise of physical labor intensity ; ( 4 ) the assembly of bldg. scaffold and remove operation, and the altitude wiring of electric power, telegraphic industry works ; ( 5 ) load continuously ( point to load the frequency is in 6 times hourly above ) load every time more than 20 kilograms, discontinuous load load every time more than 25 kilograms exercise
為了保護女職工的身體健康，法律規定了女職工禁止從事的勞動范圍，用人單位不得安排女職工從事以下這些法律禁止女職工從事的勞動： （ 1 ）礦山井下作業； （ 2 ）森林業伐木、歸楞及流放作業； （ 3 ） 《體力勞動強度分級》標準中第四級體力勞動強度的作業； （ 4 ）建築業腳手架的組裝和拆除作業，以及電力、電信行業的高處架線作業； （ 5 ）連續負重（指每小時負重次數在6次以上）每次負重超過20公斤，間斷負重每次負重超過25公斤的作業。 -
Beat frequency electrotherapy unit
差頻電療機 -
Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed
發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連，採集模擬量、頻率量及離散量信號等參數，並對採集的數據進行運算、比較與處理，最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。 -
The theories and design principles of each circuit of the spwm three - phase frequency inverter experiment unit are in detail introduced in this thesis. at the same time some experiment results are shown that include the output voltage and current waves when the load is in resistivity, inductivity or asynchronous motor
文中詳細介紹了spwm三相變頻實驗單元所包含的各電路環節的理論基礎及設計過程，並給出了調試結果，如負載為阻性、感性和異步電動機時，實驗單元輸出的電壓和電流波形。 -
The newly designed speaker unit made of special material is adopted in this lawn sperker, thus making its waterproof feature more powerful and frequency response wider. it is the lawn speaker nonesuch of latest generation
草坪喇叭採用由特殊材料最新設計的喇叭單元，防水性能特強，頻率響應更寬，是新一代草坪喇叭的典範。 -
The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement
2 .在鎖相理論指導下，第三章討論了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控振蕩器和分頻電路設計。為了進一步提高頻率合成的精度，文中給出了提高鑒頻鑒相器性能的一些設計思想，結合fpga的硬體設計驗證了其可行性。 -
Radio frequency processing unit rpu
射頻處理部分 -
The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal
前端數據調制器完成對計算機輸出的控制信號加密處理，將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號，送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號，送入cpu單元后，解出不授權信號，然後向關斷部分送入信號，關斷部分利用pin二極體的寬帶工作能力以及關斷特性，實現對非授權用戶或者非法用戶的信號關斷，使之不能正常收視，繳費用戶進行開通正常收視，達到控制用戶通道的管理。 -
The main contents are as follows : 1. analyze and calculate the influence on network frequency and power flows on tie line when 660mw generator unit trips out from hbpn
主要工作如下： （ 1 ）分析並計算河北南網在發生660mw機組掉閘時，對電網頻率和聯絡線潮流等方面造成的影響。 -
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。 -
Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying, switching and holding circuit, yet reducing the power consumption and circuit noise, enhancing the circuit efficiency and operation frequency
肖特基二極體在高頻整流、開關電路和保護電路中作為整流和續流元件，可以大幅度降低功耗，提高電路效率和使用頻率，減少電路噪聲。 -
In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail
全文分析了線性調頻信號（ lfm ） ，非線性調頻信號（ nlfm ）的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化，詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。 -
According to results of calculations and experiments, main causes that contribute to vibration are founded, then puts forward improving measures of adding deflexed supporting and suspending nogs and making pipelines shunt - wound, finally completes improvement tasks following is the main works completed in this thesis : ( 1 ) this thesis sets up a mathematic model of steam pipelines, using ansys5. 6 limited - unit analyzing software, calculates the ten phase inherent frequency and the foregoing eight phases vibration types of four steam pipelines of the unit before dealt with
為了解決八零三電廠2號汽輪機四根主蒸汽導汽管道振動的問題，本文建立了相應的計算模型，並根據計算和實測結果，找出了振動的主要原因，提出了加裝偏轉支吊架和管道並聯的改進措施，完成了改造工作。本文主要工作是：建立導汽管計算模型，並應用ansys5 . 6有限元分析軟體，對機組四根導汽管治理前的10階固有頻率和前8階振型進行計算。 -
The sa9904b, produced by sames company, is a three phase bi - directional energy / power chip and completes the measurement of rms voltage, rms current, powe, energy, power factor and frequency as the kernel of detecting unit
本系統採用sames公司的三相雙向電能功率晶元sa9904b作為測量單元的核心來完成電壓、電流、功率、電能、功率因數和頻率的測量。 -
By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache
通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。 -
Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache
文摘:通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。 -
Frequency converting unit for electric tools
電動工具用變頻機組 -
Ftt makes the frequency sampled at a same frequency interval on unit circle, and the frequency interval limits the practical range - precision of the radar, and makes range precision at an equivalent level with range - resolution
由於fft的實質是頻率在單位圓上的等間隔采樣，其采樣間隔限制了雷達的實際測距精度，使得其測距精度與其距離分辨力處于同一量級。 -
Finally, considering the flight distance of every airline in the airline - network, using “ seat kilometre ” as the unit of the capacity, the paper optimized the capacity assignment in airline - network. as the result of above, types of aircraft and the amount of them, the flight frequency and types of aircraft were optimally constituted. the two preceding optimization procedures are all based on balance of capacity expenditure and the market share of airlines, aiming at the maximum profit in whole airline - network
三、對整個航線網路進行運力的優化分配，首先考慮整個航線網路中具體每條航線的航程，以「座公里」作為運力單位進行，將運力在整個航線網路上優化分配，根據優化得到結果和公司擁有的機型和每種機型的數量，再對每條航線的航班頻率和機型進行優化組合。 -
Unit frequency follows network one automatically
機頻自動跟蹤網頻，機組啟動並網迅速正確
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