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哈哈大笑123

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  • 等级:二级逆天
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  • 保密,1982-01-01

最后登录:2022-02-16

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2022-01-23 13:16

PCM510xA 器件属于单片 CMOS 集成电路系列,由立体声数模转换器 (DAC) 和采用薄型小外形尺寸(TSSOP) 封装的附加支持电路组成。PCM510xA 器件使用 TI 最新一代高级分段 DAC 架构产品,可实现出色的动态性能并提升针对时钟抖动的耐受度。凭借 DirectPath™电荷泵技术,PCM510xA 器件提供2.1 VRMS 中央接地输出(设计人员无需在输出上连接隔直电容)以及传统意义上与单电源线路驱动器相关 ..

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2022-01-21 19:26

Power inWattsVolume in dB增加dB195029834101681049161071232110156411318128116212561192451212227

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2022-01-21 16:34

Sound reinforcement is the use of audio amplification systems. This book is the first and only book of its kind to cover all aspects of designing and using such systems for public address and musical performance. The book features information on both the audio theory involved and the practical applications of that theory, explaining everything from microphones to loudspeakers. This revised edition features almost 40 new pages and is even easier to follow with the addition of an index and a simp ..

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2022-01-20 08:40

<swan-view class=" sw-8__swan-spider-tap " id="_17e74eaf81b177" style="-webkit-tap-highlight-color: transparent; display: block; word-break: break-all; font-family: Helvetica, sans-serif; font-size: medium; background-color: rgb(255, 255, 255);"><swan-template data-origin-name="bdParse0" style="-webkit-tap-highlight-color: transparent;"><swan-view class=" sw-8__bdParse-p" id="_17e74eaf81b184" style="-webki ..

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2022-01-20 02:42

<swan-view style="-webkit-tap-highlight-color: transparent; display: block; color: rgb(31, 31, 31); font-family: Helvetica, sans-serif; font-size: 18px; background-color: rgb(255, 255, 255);"><swan-text selectable="" class=" text-selectable " style="-webkit-tap-highlight-color: transparent; user-select: text;">声学spl是指声压级。<swan-view style="-webkit-tap-highlight-color: transparent; display: block; color: rgb(31, 31, 31); ..

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2022-01-19 20:38

The Thiele Small Parameters (often referred to as T/S Parameters) are provided in specification sheets by most manufacturers – but what are they for? If you read through the section on parameters you’ll get a more detailed explanation on the significance of each parameter, but put simply they are a set of parameters which define the electromechanical properties of the loudspeaker driver, which are a measure of how it behaves electrically, and mechanically.
Once you understand some of the ba ..

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2022-01-19 18:34

  (1)宏定义用大写字母加下划线表示,如MAX_LENGTH;

  (2)函数用大写字母开头的单词组合而成,如SetName, GetName ;

  (3)指针变量加前缀p,如*pNode ;

  (4)BOOL 变量加前缀b,如bFlag ;

  (5)int 变量加前缀i,如iWidth ;

  (6)float 变量加前缀f,如fWidth ;

  (7)double 变量加前缀d,如dWidth ;

  (8)字符串变量加前缀str,如strName ;

  (9) ..

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