查询词典 amplifiers

Techniques to linearly adjust the gains of variable gain elements (i.e., variable gain amplifiers or VGAs) in a receiver of transmitter.

线性地调节发射机的接收机内的可变增益元件(即，可变增益放大器或VGA)的增益的技术。

The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.

该芯片的判决电路采用SCFL的D触发器结构，根据矢量迭加原理设计，采用差动电流放大器构成可调移相器。

In the experiments, the output power of each ytterbium fiber amplifier is not less than 1 W and the total output power of the three amplifiers is not less than 3 W.

首次在国内用外差法实现了三路掺镱光纤放大器的相干合成输出，其中每路光纤放大器的输出功率≥1 W，三路总功率≥3 W。

The master oscillator-power amplifier scheme was used to realize phase control of three ytterbium fiber amplifiers, and the experimental results are presented.

最后采用主振荡并联放大器方案对三路掺镱光纤放大器进行实时相位探测与校正，实验给出了三路光纤放大器相干合成的结果。

The power amplifiers,class A and AB,using power backoff scheme are difficult to meet the effiency requirement under the condiction of a high PAR,which cause a huge energy dissipation while producing a lot of heat.

以功率回退设计的A类或AB类功率放大器难以满足在高峰均比条件下的效率要求，造成了能量的巨大浪费，而且导致了严重的基站或直放站热管理问题，影响了系统性能，增加了制作成本。

They are probably the result of even order harmonic distortion - a hallmark of the SET - that do not occur to any significant degree in the Densen amplifiers.

他们很可能是偶数阶谐波失真的结果-一个系列的标志-没有发生任何的电线放大器的重要程度。

TheSG3525 internal integration has the 5.1V voltage source (its precision can achieve 5.1±1%V), the double threshold comparator(with the exter connection electric circuit consist of constitution oscillator), the temperature compensation circuit, the over-current protection circuit, two levels of differential amplifiers and so on.

SG3525片内集成有5.1V基准电压源（精度可达到5.1±1%V）、双门限比较器（与外部的接口电路构成振荡器）、温度补偿电路、过流保护电路、两级差分放大器等。

A predistortion method based on simplifed Volterra series is proposed to linearize power amplifiers.

提出了基于简化Volterra级数的放大器预失真线性化方法。

Accurate analog power is to provide power, digital chip, amplifiers, microcontroller is the voltage required by A/D sampling data output voltage, and comparison, if there is A deviation is the limit, adjust output signal output and closure, alarm, The working process of the working status, manostat by SCM outputs drive LED display, Display circuit used to display the size of the output voltage of power.

准确说就是模拟电源提供各个芯片电源、数码管、放大器所需电压，单片机则通过A/D采样输出电压，与设定值进行比较，若有偏差则调整输出，越限则输出报警信号并截流；工作过程中，稳压电源的工作状态均由单片机输出驱动LED显示；显示电路用于显示电源输出电压的大小。

Brad Paisley first spotted the talents of Taylor Swift a few years ago, when he tapped her to open his Bonfires and Amplifiers tour in 2007, along with Jack Ingram and Kellie Pickler.

Brad是在几年之前就发觉了Taylor的才能，那是07年他邀请她作演唱会开场嘉宾的时候，当时还有jack ingram和keilie pickler。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。