直通信號 的英文怎麼說
中文拼音 [zhítōngxìnháo]
直通信號
英文
through connect signal-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal, store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal, narrow the storing amount of the data, save the space ; case information management system realize patient information and heart telecommunication file of interest, keep and in the data base, can show the ecg signal wave form at the screen of the computer directly data that gather. and has offered and type and report the single function
軟體部分所要實現的功能為:通過中斷服務程序把心電信號定時採集出來,以二進制的形式存儲在計算機中;數據壓縮程序應實現對心電信號的預處理和壓縮,縮小數據存儲量,節省空間;病例信息管理系統實現患者個人信息和心電信息的存檔,把採集的數據保存作數據庫中,能夠將心電波形直接顯示在計算機屏幕上,並提供列印報告單的功能。Based on the algorithm, the modeling methods of complex situations such as curved surfaces, partial absorption, directional sources, multiple sources and various sound barriers, have been presented. then, the objective modeling ( parameter prediction ) and the subjective modeling ( binaural auralization ) of enclosed sound fields have been studied in detail. in order to verify the above algorithms, the results worked out by our computer program have been compared with those of measurement in real buildings, calculating by statistical method, modeling by other researchers and a kindred software
聲場視聽一體化是在封閉聲場參數預測( parameterprediction ) 、可聽化( auralization )和可視化( visualization )基礎上提出的一個新的概念,其本質含義是:在一定的聲學、數學和信號處理理論基礎上,通過建立三維聲場的計算機模型,實現從客觀聲學指標、主觀聽覺感受和直觀視覺效果三方面對三維封閉聲場進行綜合的預測和評價。The video signal is directed to the crt through a sound trap which eliminates the sound-carrier frequency.
視頻信號通過聲音陷波電路,消除聲音載波頻率,直達CRT。More recently, so - called “ heliographs ” have been used to relay military signals in a similar way
更近一點例子是, 「日光反射信號器」一直通過類似的方式傳遞軍事信號。" it can be hypothesized, " they write, " that, een in the absence of a recognized orthostatic hypotension, our findings may help patients and physicians to promptly identify symptoms and early signs of orthostatic intolerance and start treatment with pressor drugs, salt, and water
文章中寫到, 「假如假設成立,可推想即使患者無直立性低血壓,上述檢查結果可幫助病人和醫生迅速辨別早期直立耐受不能的一些癥狀和信號,然後通過一些增壓藥物、食鹽和水治療,減輕直立耐受不能癥狀程度,如減少摔倒次數、增強自信心和生活質量等」 。The algorithm principle, hardware design and software design of the scheme are proposed and experimentally demonstrated ; the main contents of this thesis are as follows : firstly, we study the principle of the fiber optic weak magnetic sensor based on magnetostrictive effect. after analyzing the characters of the magnetic field sensing signals, we know that the magnetic field sensing signals ’ fundamental component is proportional to input dc magnetic field
敘述了該方案的原理、軟硬體設計過程,並通過實驗進行了驗證,本文主要內容如下:首先,研究了基於磁致伸縮效應的光纖微弱磁場傳感器傳感原理以及輸出信號的特徵,分析得出在干涉儀處于正交工作點時,傳感器輸出信號的基頻分量與被測直流磁場成正比關系。In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。In the earlier days of railways, the rules laid down that no train should be allowed to start, even if all signals were clear, until the stationmaster had authorized the guard to give the driver the “ night way ”
在鐵路發展的早期,規定即使所有的信號都已開通,列車也不能發車- - - - -一直要等到站長已授權站務員給司機發車離站信號In order to combine the study of the ds - ss communication system ’ s availably jamming, the whole ds - ss communication system is modeled and simulated, including the modulation of the ds - ss signal, channel transmission, synchronal demodulation of signal and statistic of the bit error rate ( ber )
為結合直擴通信系統的有效干擾研究工作,建立了直擴系統從信號的調制產生,通道傳輸、信號同步解擴解調和誤碼率統計的全過程模擬系統。In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched
它是一種主動式干涉成像技術,這一技術通過時域內的相位的調制完成直線條紋對目標的掃描,從而達到對深空目標頻譜的抽樣,然後接收其散射回波,對回波信號進行處理,進而還原出目標的像。In order to meet the needs of dsss signal reconnaissance, a method of dispreading without the code is brought forward by this paper , in which the local code is gained from the dsss signal. so we can intercept dsss signal with low snr even if the spreading code is unknown. liu jie ( communication and information system ) directed by prof. gao huisheng
為適應電子戰中對直擴信號偵察的需要,本文提出一種了無碼解擴的方案,採用從直擴信號中獲得本地參考信號的方法,可以在沒有擴頻碼的情況下,截獲低信噪比直擴信號的通信信息。The multipath interference, resulted from interfering between the signals of the line of sight ( los ) and the line of ground reflection in vhf - rc, makes bit error rate of data transmission increased and system reliability attenuated
當前,中國水波中繼通道以直視路徑傳播為主,同時存在地面折射路徑對直射信號產生干涉,造成多徑干擾。這種干擾使得信號傳輸的誤碼率上升,系統可靠性下降。The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。The blind detection, parameters estimation and recovery of spreading sequences are the main contents of ds communication counter
直擴通信對抗包括直擴信號的盲檢測、參數估計和擴頻碼序列恢復等內容。The efficiency of the error - based detecting method when it is used to detect dsss signal in chaotic noise is analyzed theoretically, and simulations are carried out to show its feasibility and efficiency. 4
從理論上分析了用於檢測周期信號的基於混沌噪聲模型的誤差檢測方法,對檢測混沌噪聲中的直擴信號同樣有效,並通過模擬實驗證實了這種誤差檢測方法用於檢測微弱直擴的可行性和有效性。Theoretical analysis and computer simulation proves that dsss signal has chaotic character, and the cognition of dsss signal in chaotic theory makes this kind of signal be better used of in more areas
通過理論分析和模擬實驗證明了直擴信號具有混沌特性,從混沌學角度進一步認識了直擴信號,有利於在更多方面更好地利用這種信號。Direct sampling theorem of band - pass signal
帶通信號的直接采樣理論The paper sums up the intelligent monitoring actuality and trend of the dc panel. by analyzing many method ' s advantage and disadvantage of the leaking electricity inspection, the paper brings forward a method of the leaking electricity inspection by injecting the direct current signal
本文總結了直流屏智能監控的現狀和發展趨勢。通過對漏電檢測多種方法的優缺點的分析,提出了注入直流信號進行漏電檢測的方法。In this paper they study a position - detecting system based on microprocessor and psd ( position sensitive detector ). the method is as follows : when the ac - signal from psd which is illuminated by modulated light source passes through an active band - pass analog filter, it filters the ac signal which represents the object light source. then the dc - converter circuit transforms it into dc - signal which is used to calculate the position
這一系統採用的方法是通過對位置敏感探測器psd受到調制目標光源照射后輸出的模擬交流信號進行有源帶通濾波,提取出代表目標光源的調制頻率成份,再將該信號轉變為用來參與位置解算的直流信號,然後選用單片機組成硬體電路,對直流信號進行採集處理並與計算機建立通信,把數據送入計算機進行位置解算,分析判別目標光源和psd器件的相對位置。分享友人