The paper carried out the reasoning of the formula which implies the relationship between optical modulation depth and the input level of a optical transmitter and the formula implied between single channel modulation depth and bestir level & bias current.
推导出光调制度与光发射机输入电平的关系算式、激励电平与激光器偏置电流和单频道调制度的关系算式,分析系统频道数变化对调制度恒定型光发射机激励电平的影响规律,同时分析常见光发射机标称输入电平的标示方式、结构特点和具体应用调试方法。
In the essay narrate how to use the amplifier of cable TV correctly from five aspects: the character and kinds of amplifier, the transmission character of coaxial cable and taps to the TV signal, the smallest input level, the output level of amplifier and the points for attention of using amplifier.
从放大器的分类及特点、同轴电缆及分支器对电视信号的传输特性、放大器的最小输入电平、放大器的输出电平和使用放大器的注意事项5个方面叙述了如何正确使用有线电视放大器。
During the designing and debugging of traditional CATV distribution amplifiers,a wide range of input levels and output levels have to be applied due to the limitation of distortion index,which is disadvantageous to improve the distribution efficiency and C/N index of the amplifier.
传统的有线电视用户放大器设计和调试时,受到用户放大器失真指标分配值的限制,往往只能采用较大幅度范围的输出电平值和输入电平值,这种设计调试方法不利于提高放大器的用户分配效率,难以保证其载噪比指标。
When the level of the MIC input is too big, and cannot be controled by the MIC input level adjustmeng potentiometer, push down this button.
话筒输入衰减按键:当话筒输入电平太大,话筒输入电平调节电位器已无法控制时,按下此键.
Adjustment to optimize the level controls against an input level is easy.
根据输入电平来优化音量控制是十分简单的。
For proper operation the forward and reverse direction-control inputs must always be complementary.
要使计数器正常工作，正向和逆向控制输入电平必须始终相反。
an input key, code, level
输入键、 代码、 电平.
It is found that the input current produces distortion even if the three-phase input voltages are balanced.
也发现即使三相输入电压平衡,输入电流也存在失真现象。
symmetrical [balanced] input
对称[平衡] 输入
The stability of power systems depends on remaining the balance of input and output powers in generating- sets.
电力系统稳定性就是要保持发电机组输入与输出功率平衡。
JEDEC ? The voltage level at an output terminal with input conditions applied that, according to the product specification, will establish a high level at the output.
根据产品技术规范，随加到输入端的情况在输出端的电平，将在输出端建立一个高电平。
A device that projects slides or electronic input onto a surface.
将幻灯片或电子输入投射到平面上的设备。
Control strategy of two-stage matrix converter under unbalanced input voltages
双级矩阵变换器输入电压不平衡控制策略
Control Strategy of Matrix Converter under Unbalanced Input Voltage Conditions
矩阵变换器在不平衡输入电压下的控制策略
teletype input/output device
电传打字输入输出设备
electronic printing input-output station
电子式打印输入—输出台
computer I/O circuit
计算机输入输出电路
Audio In Input when a line level output external mixer be coupled with a vcr for recording
要录音时，将线路电平输出外麦克风与VCR一同使用，Audio In便输入
Audio In inputs when a line level output external mixer is coupled with a VCR for recording
要录音时，将线路电平输出外麦克风与VCR一同使用，AudioIn便输入
JEDEC ? The current into an input terminal when a specified high-level voltage is applied to that input.
一个规定的高电平电压信号加到一个输入端时，流进该输入端的电流。
JEDEC ? The current into an input terminal when a specified low-level voltage is applied to that input.
一个规定的低电平电压信号加到一个输入端时，流进该输入端的电流。