- 更多网络例句与分贝相关的网络例句 [注：此内容来源于网络，仅供参考]
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You can follow these links to see a whole list of decibel levels and exposure times.
你可以参照以下的链接去看看所有的分贝等级与你的双耳在分贝中忍受的时间
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The decibel is the unit of the volume .
分贝是音量的单位，分贝数越大代表的所发出的声音越大
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Default peak meters scale bottom changed to -70dB, alternate scale down to -50dB.
默认山顶米，底部规模变到70分贝，候补规模下降到50分贝。
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Has the scientist to do the experiment: When noise intensity when 90 decibels, in retina's rod cell difference radiance's sensitivity starts to drop, distinguishes the time which the weak light responded also to lengthen; When noise when 95 decibels, some 2/5 person mydriasis; When the noise amounts to 115 decibels, the eye reduces 20% to the radiance compatibility.
有科学家做过实验：当噪音强度在90分贝时，视网膜中的视杆细胞区别光亮度的敏感性开始下降，识别弱光反应的时间也延长；当噪音在95分贝时，有五分之二的人瞳孔放大；当噪音达到115分贝时，眼睛对光亮度的适应性降低20%。
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Loud music may be enjoyable or a torment, depending on the listener and the circumstances. Broadly speaking, any form of unwelcome sound is noise pollution, whether it is the roar of a javad or the sound of a barking dog a block away.
研究表明，人听觉最高可以接受30分贝的音量，当室内的持续噪音污染超过30分贝时，人的正常睡眠就会受到干扰，而持续生活在70分贝以上的噪音环境中，人的听力及身体健康将会受到影响。
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Loud music may be enjoyable or a torment, depending on the listener and the circumstances. Broadly speaking, any form of unwelcome sound is noise pollution, whether it is the roar of a jet plane overhead or the sound of a barking dog a block away.
研究表明，人听觉最高可以接受30分贝的音量，当室内的持续噪音污染超过30分贝时，人的正常睡眠就会受到干扰，而持续生活在70分贝以上的噪音环境中，人的听力及身体健康将会受到影响。
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LT3468ES5-1 Pinout: 8-bit Resolution 1 Gsps Sampling Rate ADC Gain Adjust 2 GHz Full Power Input Bandwidth Fs = 1 Gsps, Fin = 20 MHz: C SINAD = 45 dB (7.4 Effective Bits) SFDR = 58 dBc Fs = 1 Gsps, Fin = 500 MHz: C SINAD = 44 dB (7.2 Effective Bits) SFDR = 56 dBc Fs = 1 Gsps, Fin = 1000 MHz (-3 dB Fs): C SINAD = 42 dB (7.0 Effective Bits) SFDR = 52 dBc 2 Tone IMD:-53 dBc (489 MHz and 490 MHz) at 1 Gsps DNL = 0.3 LSB INL = 0.7 LSB Low Bit Error Rate (10-13) at 1 Gsps Very Low Input Capacitance: 0.4 pF 500 mVpp Differential or Single-ended Analog Inputs Differential or Single-ended 50 ECL Compatible Clock Inputs ECL or LVDS/HSTL Output Compatibility Data Ready Output with Asynchronous Reset Gray or Binary Selectable Output Data; NRZ Output Mode Power Consumption: 3.4 W at TJ = 90 C Dual Power Supply: 5 V Radiation Tolerance Oriented Design 150 Krad (Si Measured
LT3468ES5-1引脚说明： 8位分辨率1 GSPS的采样速率ADC的增益调整2 GHz的全功率输入带宽= 1 GSPS的二恶英，翅= 20兆赫中：C的SINAD = 45分贝（7.4有效位）的SFDR = 58 dBc的二恶英= 1 GSP的，财务= 500兆赫中：C的SINAD = 44分贝（7.2有效位）的SFDR = 56 = 1 GSPS的dBc的外勤人员，财务= 1000兆赫（-3分贝财经事务）中：C的SINAD = 42分贝（7.0有效位）的SFDR = 52 dBc的2声调发展学院：-53 dBc的（489兆赫和1 GSPS的的DNL = 0.3的LSB的INL = 0.7 LSB的低误码率（10-13）在1 GSPS的非常低输入电容：0.4 pF的490兆赫）500 mVpp的差分或单端模拟输入差分或单端50Ω的ECL兼容的时钟输入的ECL或LVDS / HSTL输出兼容性数据与异步复位灰色或二进制可选的输出数据就绪输出； NRZ码输出模式下的功耗：3.4 W于温度Tj = 90 C双电源：5伏辐射性导向设计
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Sound insulation: Hollow glass filled with inert gas reduces 30 db of noise, and hollow glass can drop from 80db to 45db.
隔音： 一般中空玻璃降低噪音30分贝，充有惰性气体的中空玻璃可将80分贝的噪音降至45分贝极为安静的程度。
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This invention discloses a duplexer and a multiplexer of the communication system and a method to realize them on a PCB circuit, which applies a 3db bridge and a low pass filter to constitute a hopstreet duplexer without waste band channels, in which, the signals are shunted and combined by the design of the circuit structure and power distribution of the 3-db bridge and phase offset function, the band filter of the low pass filter and the reflection function of a stopband to make up of a costless duplexer in theory to merge the two channels of different frequencies and reduce loss to increase volume and working bandwidth, then a multiplexer is formed by cascading multiple duplexers.
本发明涉及通信设备，公开了一种通信系统双工器和多工器以及双工多工方法，使得双工器和多工器能够在PCB电路上实现，并且体积小、损耗小、成本低、容量大。本发明中，采用三分贝电桥、低通滤波器构成无损耗频带信道合路的双工器，其中通过电路结构的设计并利用三分贝电桥的功率分配和相位偏移功能将各路信号进行分路和组合，利用低通滤波器的频带滤波和阻带反射功能联合三分贝电桥构造一个理论无耗的双工器，使两路不同频率的信道合路，降低的损耗、提高容量和工作带宽。通过多个上述双工器的级联构成多工器。
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According to the requirements of 3 dB-coupler in adjacent-channel duplexers and the basic principles of 3 dB-coupler, a narrow band 3 dB-coupler is analyzed which can applied to digital TV field.
根据数字邻频双工器中对三分贝耦合器的要求和三分贝耦合器的基本原理，对应用于数字电视领域的一款窄带三分贝耦合器进行了分析。
- 更多网络解释与分贝相关的网络解释 [注：此内容来源于网络，仅供参考]
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db：分贝
分贝(decibel) 分贝(dB)为表示相对功率或幅度电平的标准单位. 用dB表示. 满刻度分贝值(dBFS)(dB Full Scale) 指数字音响中以满刻度为基准的分贝值. 满刻度可保证数字录音有最大的录音电平,所有的数字电平皆用dBFS表示.
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db meter：电平表、分贝表
dBm 毫瓦分贝 | dB meter 电平表、分贝表 | dBv 以一伏为零电平的分贝
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decibel：分贝
时常附加说明性记号.级差单位"分贝"(decibel)在用于相对零电平点的绝对噪声电平单位符号.为区别于其他的量值而附加了记号"0".法定计量单位.按FIA曲线加权给出的级差单位"分贝"(decibel)的符号.法定计量单位.功率级差、水平单位,
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decibel：分贝分贝
decibel 分贝 | decibel 分贝分贝 | decibels above reference noise 超过基准噪声的分贝数
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Decibel Db：声压级","分贝
"声强级","分贝"," decibel","dB" | "声压级","分贝"," decibel","dB" | "声功率级","分贝"," decibel","dB"
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decibel curve：分贝曲线
decibel 分贝 | decibel curve 分贝曲线 | decibelmeter 分贝计
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Decibel chart：分贝图
"deci-bel adjusted ","调整分贝" | "decibel chart ","分贝图" | "decibel gain ","分贝增益"
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decibels：分贝
音量的大小以分贝(decibels)为计量单位. 耳语的音量越分为20分贝,正常说话声约为55分贝,摇滚演唱会的音量则可能达到100分贝. 录音设备所能处理的最低音量到最高音量的范围叫做动态范围(dynamic range)不同设备的动态范围有所不同.
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decibels：分贝数
decibels with reference to one kilowatt 千瓦分贝 | decibels 分贝数 | decibl with reference to one milliwatt 毫瓦分贝
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decibels above reference noise：超过基准噪声的分贝数
decibel 分贝分贝 | decibels above reference noise 超过基准噪声的分贝数 | decibels relative to one volt 伏特分贝