According to the different burning character of metal, the theory and method of three kinds of class D dry powder agents used to fight metal fires,including sodium chloride,sodium bicarbonate and graphite,were introduced in this paper.
介紹了金屬不同的燃燒特性以及氯化鈉、碳酸氫鈉和石墨等三種D類干粉滅火劑在撲滅金屬火時的滅火原理和滅火方法,并對干粉滅火劑在滅金屬火時所適用的裝置和探測系統(tǒng)等應(yīng)用技術(shù)進(jìn)行了分析。
Principle and application of MAX9708 high power class-D amplifiers;
大功率D類音頻放大器MAX9708原理與應(yīng)用
Integrated circuit of a class-D audio power amplifier with very high efficiency using CMOS technol- ogy is presented in this paper.
D類功率放大器適應(yīng)便攜設(shè)備高效節(jié)能的客觀需求,從而在音頻模擬集成領(lǐng)域具有優(yōu)勢,隨著設(shè)計技術(shù)的不斷進(jìn)步,D類功率放大器的性能指標(biāo)也逐漸接近AB類放大器。
2×80 Watts Class D AF Power Amplifier Design Based on Single Chip TDF8590;
基于單片TDF8590的2×80WD類音頻功放設(shè)計
With the characteristics of high efficiency, energy conservation, digitization, small size and light weight, Class D audio power amplifier adapts to the objective needs of energy efficient portable devices and has great advantages in the field of audio analog integration.
D類音頻功率放大器具有高效、節(jié)能、數(shù)字化、體積小、重量輕的特點(diǎn),適應(yīng)便攜設(shè)備高效節(jié)能的客觀需求,從而在音頻模擬集成領(lǐng)域具有很大的優(yōu)勢。
The paper is based on the project“Theoretical Research on Key Techniques and Integrated Design of High Performance Class D Audio Power Amplifier”, after a detailed research on all kinds of common audio power amplifiers and their efficiency and distortion, an audio power amplifier XD2902 with high fidelity and high efficiency is designed.
論文基于西安電子科技大學(xué)的科研項目“高性能D類音頻功率放大器關(guān)鍵技術(shù)的理論研究與集成設(shè)計”,在研究了各類音頻功率放大器及其效率和失真機(jī)理的基礎(chǔ)上,設(shè)計了一款基于∑-△調(diào)制技術(shù)的高效率、高保真的D類音頻功率放大器XD2902。
Maximal Subsemigroups of D-classes of Finite Full Transformation Semigroup T_n;
有限全變換半群T_n的D-類的極大子半群
Simulative Analysis of the Amplifier of Class D Based on MATLAB;
基于MATLAB的D類功率放大器的仿真分析
Type D Power Amplifier with the Special Modulation IC SG3525;
用SG3525作調(diào)制器的D類音頻功放
Research of High-Power Digital Class D Amplifier Based on DSP
基于DSP的大功率D類數(shù)字功放研究
Class D Audio Amplifier with High Efficiency and Low Harmonic Distortion
高效率、低失真的D類音頻功率放大器
Design of A chopper OPAMP in CLASS-D Audio System
D類音頻系統(tǒng)中斬波運(yùn)放電路的設(shè)計
CLASS-D AMP Design and Development base on BiCMOS Process
基于BiCMOS工藝的D類功率放大器設(shè)計
The Analysis on the Influence of Patent Type by the Regional R&D Type;
我國地區(qū)R&D類型分布對專利類型的影響分析
Classification and Interpretation of "N_1+A+D+N_2" in Chinese
“N_1+A+D+N_2”的分類與解釋
Synthesis and Properties of D-π-A-π-D and D-π-A-π-A Photoelectrical Materials Based on Stilbene Derivatives;
D-π-A-π-D和D-π-A-π-A均二苯乙烯類有機(jī)光電材料的合成及性能研究
D-Glucose is both a playschool and a baldheaded.
d一葡萄糖既是多醇類,又是醛類
D-glucoheptonic acid and its salts and esters
D-葡庚糖酸及其鹽類和酯類
(d) such use shall be non-exclusive;
(d)這類使用應(yīng)系非專有使用;
(d) where appropriate the time-frame for implementation of such commitments;
(d)在適當(dāng)時,實(shí)施此類承諾的時限;
Research on the Quality Management of Basic Research Project;
基礎(chǔ)研究類R&D項目質(zhì)量管理研究
Isolation and Identification of Microbacterium Natoriense sp. nov., a Novel D-aminoacylase-producing Bacterium;
新型D-aminoacylase生產(chǎn)菌的分離及分類學(xué)鑒定
The Concept, Forming Paradigm and Sorting of R&D Project Portfolio;
R&D項目組合:概念、產(chǎn)生范式及分類
Operator D~α and some subclasses of meromorphic p-valet functions;
算子D~α及其刻劃的∑_p函數(shù)類
Profit functions of a class of unilateral stochastic R&D model;
一類單邊隨機(jī)R&D模型的利潤函數(shù)
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