audio frequency amplifier 中文意思是什麼
audio frequency amplifier
解釋
聲頻放大器-
Purpose : audio frequency power amplifier applications
用途:用於音頻功率放大。 -
In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system
在音響設備中出現的振蕩頻率極低的低頻振蕩，常因放大系統的正反饋迴路引起。 -
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。 -
Purpose : audio frequency general purpose, driver stage amplifier applications
用途:用於音頻放大，激勵級放大。 -
Use 24bit dac 96khz to process audio by sampling frequency and output perfect sound quality by 5. 1 channel double decoding. no need to connect to the external decoding amplifier
專業的音頻視頻輸出端子，自動制式pal ntsc制式兼容av監視器，支持家用電視輸出 -
Method for measuring audio amplifier single - frequency output for institutional audio - visual equipment used primarily for speech
用於演講的教學視聽設備中音頻放大器的單頻輸出測量方法 -
On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit
在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。 -
Digital high - frequency audio amplifier
高效率數字音頻功率放大器 -
General principles of measuring methods of intermediate - frequency amplifier for semiconductor audio integrated circuits
半導體集成電路音響電路中頻放大器測試方法的基本原理
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