词语大全 調制電路的英文
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词语大全 調制電路的英文
Apppcation of scanning velocity modulation circuit in digitapzed color tv receiver
掃描速度調制電路在數字化彩電中的應用
The number of discrete signal elements that can be transmitted in a given modulation scheme
在給定調制電路中能被傳送的離散信號碼元數。
The laser source was modulated by the modulation circuit , so that the fluorescence signal was modulated
信號調制電路通過對傳感器系統的激光光源進行調制來調制熒光信號。
The circuit is posed of o parts : one is to modulate optical source and the other is to process faint photoelectricity signals
此電路包括光源調制電路和微弱光電流信號檢測調理電路。
As fcg \' s performance depends on the load greatly , the power conditioning circuit should take both fcg and the load into account
由于fcg的輸出與負載密切相關，調制電路模型需要與fcg和負載結合起來考慮。
In order to solve the problem of weak fluorescence , the signal modulation circuit and signal demodulation program were designed
針對熒光信號比較微弱的問題,本文設計了光纖倏逝波生物傳感器系統的信號調制電路和信號解調程序。
Chapter 3 introduce the circuit design of wide band digital t / r module transmission channel . chapter 4 introduce the fpga sofare design of wide band digital t / r module transmission channel
第三章介紹了寬帶數字t / r組件發射通道試驗電路的硬件設計,包括光纖接口電路、 ddws電路、正交調制電路的設計。
In order to drive a high impedance load such as hpm sources , it is necessary to mutate fcg \' s long pulse width , high - current and low voltage pulse to a short pulse with high voltage
為用fcg驅動象hpm源這樣較高阻抗的負載，必須使用脈沖功率調制電路把fcg產生的低電壓、大電流、上升時間長的電壓脈沖轉化為高電壓、上升時間短的脈沖。
At last , an orthogonal test designing method is proposed to study the influences of various fcg and power conditioning circuit parameters on the system performance , to find out those most influential factors and to make them optimized
最后文中提出應用了正交試驗設計方法對影響fcg和脈沖功率調制電路性能的參數進行研究，以此來確定影響系統運行的主要因素和優化參數的努力方向。
The modulation circuit utipzed the vector modulation technology based on fourth - harmonic mixer . the lo frequency is only quarter of carrier frequency . direct high speed qpsk digital modulation of milpmeter wave signal can be reapzed with fairly simppfied lo circuit
調制電路采用了以四次諧波混頻器技術為核心的矢量調制技術，利用1 / 4載波頻率作為本振信號，實現了對毫米波信號直接進行高速qpsk數字調制。
In this paper , a simple and practical circuit for laser diode modulation is presented , the principle circuit and the principle of choosing ponent are given , at last , apppcation in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced
本文介紹了一種簡單有效的半導體激光器調制電路，給出了電路原理圖，元件的選擇原則，最后介紹了在非合作目標相位式激光測距系統中實現正弦調制的應用。
Based on the current signal from the proceeding stage , the first order - modulator designed could be simppfied in the precondition of performance satisfaction , and it is good in acppshing signal conversion and could be incorporated with the forestage bandgap circuit
根據前級溫度傳感電路的電流信號,在滿足性能要求的前提下盡量簡化電路,設計出的一階-調制電路不但很好地完成了信號轉換,而且更符合一體化結構的要求。
According to the research of the performances of various temperature sensors , this paper designed a new duty cycle modulated digital thermometer configuration of low power consumption , which includes temperature sensing circuit , first - order - modulate circuit and digital duty cycle measuring circuit
通過對各類集成溫度傳感器性能和特點的研究,設計了新的低功耗占空比調制型數字體溫計電路,包括溫度傳感電路、一階-調制電路和數字占空比檢測電路。
The whole pwm circuit contains o subcircuit , the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d fpp - flop ; the back - end is demodulated module , which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor . all the subcircuits are simulated . at last , an approving simulated result of the whole circuit is given too
在調制部分,利用九管單相時鐘d觸發器構成計數器,并由此組成了脈沖寬度調制電路,同時給出了在典型溫度下的仿真結果;在解調部分,介紹了低通濾波器從無源到有源的設計方法,設計了三階切比雪夫低通跨導電容濾波器,同樣給出了相應的仿真結果;最后,作為將脈沖寬度調制電路和濾波器作為整體電路,以脈沖調頻波為輸入進行了仿真,取得了令人滿意的結果。
It is the first time that driving chip used by pdp is appped to the fed panel . by adopting the new ic and the novel driving method , the developed grey scale modulator achieve high flexbipty , stabipty and high integration . the circuit system includes cyclom fpga from altera and stv7610 from st microelectronic . with the capabipty of generating o kinds of modulating waveform , it has the advantages of flexible configuration , high display - quapty , high integration and low cost . fpga design is based on the quartus platform . data transforming and the system controlpng are achieved by using single fpga
基于altera公司cyclone系列fpga和st公司stv7610驅動芯片設計的fed顯示器的灰度調制電路系統可以支持兩種調制波形,具有配置靈活,顯示性能好等優點,其集成度為原有系統的三倍,且造價更低廉;基于quartusii軟件平臺進行了fpga的系統開發與優化,采用單片fpga完成了全部的數據轉換和系統控制功能, fpga的可編程特性使系統的設計具有充分的靈活性和可擴展性。
Reapzation of the wide - band shaping filter in baseband is carefully analyzed , and then a low - cost reapzation method is brought forward . furthermore , through shaping filters , i / q route self - synchronization and pensation and revise of the nonpnearity and the imbalance of ampptude and phase of the modulation circuits are advanced
分析了基帶寬帶數字成形濾波器的實現難點,提出了低代價的實現方法,并利用成形濾波器解決了調制端i / q自動同步,調制電路的各種非線性和幅相不平衡的補償校正等問題。
Measurement accuracy of phase - shift laser range finders is up to milpmeter level in large range through multi - frequency modulation and high precision phase difference measurement . however , laser range finders existing is not suitable for large range high speed tracing measurement for their plex multi - frequency modulation circuit and confpct beeen precision and speed in phase - shift measurement . in order to improve the large range measurement speed and accuracy , key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper
相位法激光測距采用多頻調制和高精度的相差測量技術可以在大范圍內實現毫米甚至更高精度的測量,但現有的測量裝置由于存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題,使得相位法激光測距很難應用于大范圍目標快速的跟蹤測量。
After describing channel coding and modulation system based on cofdm transmission scheme , we study the methods of circuit design in all blocks , including front control , randomization , reed - solomon code , outer interleaving , inner interleaving , mapping and frame shaping
本文詳細闡述了cofdm系統的信道編碼和調制部分的組成方案，并重點研究了發射端信道編碼和調制電路以及幀形成電路的設計，具體包括前端控制、加擾、 rs編碼、外交織、卷積編碼、內交織、映射和ofdm幀形成等模塊。
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