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The demodulator accepts an amplified and filtered IF signal in the 35MHz to 80MHz range, and demodulates it into I and Q baseband signals with 51dB of voltage conversion gain.

MAX2450解调器能够接收35~80MHZ频率范围内的中频信号,具有51dB电压转换增益,并且能够将信号解调为I/Q基带信号。

Oversampling based Sigma-Delta modulation technique once had been widely used in low-speed high-resolution field, but they has excessed this limitation for high-speed device development and the strong requirements of modern wire/wireless communication.

但这种局面已经改变,一方面由于现代CMOS工艺的进步使系统工作时钟频率不断提高,另一方面受到现代通信系统巨大需求的刺激,现在Sigma-Delta模数转换器早已突破了1MHz的带宽限制,并持续往高速应用领域发展。

The meows that were rated most pleasant were shorter in duration, had higher frequencies and tended to change from high to low notes.

那些被认为是最愉快的叫声在时间上持续得较短,频率较高,并且有从高音向低音转换的趋势。

In this paper, we finish a pipelined adc by 4 stages, 8 bits ADC architecture with 50MHz sampling rate.

在本论文中,我们提出了一个 50 M-Samples/sec 的取样频率、8-bit 的取样位元的四段式类比数位转换器设计架构。

In this research, a 10-bit 80 MS/s pipelined ADC will be presented.

解析度10位元、取样频率80 MS/s的导管式类比数位转换器将会在此研究中实现。

A high-speed digital-to-analog converter measurement method acquires and quantizes an analog ramp output by the DAC corresponding to a digital ramp input to produce a quantized ramp, determines a start and end of the quantized ramp, obtains a difference between the quantized ramp and an ideal ramp to produce a quantized periodic signal, determines a frequency for a qualified peak from an FFT of the quantized periodic signal, produces a mask filtered periodic signal from an iFFT around the qualified peak, and determines a sample window spanning a local maximum and minimum for each period of the quantized periodic signal.

一种高速模拟数字转换器测量方法,采集和量化由DAC输出的相应于数字斜坡输入的模拟斜坡以产生量化的斜坡,确定量化的斜坡的开始和结束,获得量化的斜坡和理想的斜坡之间的差值以产生量化的周期信号,从量化的周期信号的FFT中确定合格峰值的频率,从合格峰值周围的iFFT中产生屏蔽过滤的周期信号,并且在量化的周期信号的每一周期内确定跨越局部最大值和最小值的采样窗口。

The purpose of this study is to present the characteristics of wavelet functions, to compare the effects of choosing different wavelets on wavelet transform, and to discuss the wave shoaling with the help of he WaveletTransform .

本文主旨在於介绍小波函数的特性并探讨不同小波函数对小波转换的影响,再以此分析工具讨论浅化波浪能量於时间-频率域上之变化特性。

Was shown that the Wavelet Transform could be used to discuss the primary mechanism of the sharper crest during the shoaling process.

於小波转换分析浅化波浪时,发现波浪在浅化过程中并非是同一频率的成份波皆有发生非线性现象,只有某些特定的波浪有非线性作用。

In comparison with the drawbacks related to the Fourier Transform and Smoothed Instantaneous Wave Energy History(SIWEH, the Wavelet Transform will be show to be much better suited for analyzing wave shoaling In which signal is believed to be non-stationary and wide band.

在使用小波转换作为分析波浪工具之前,我们选择 Morlet wavelet、Paul wavelet与Gaussian三种型态之小波函数进行讨论,最终考虑视窗面积之大小、复数型态之小波函数及频率视窗的集中度,而以 Morlet wavelet较适合分析波浪。

The measurement system accepts the signal of this sensor and then converts the signal to the sideslips value, which is displayed on the liquid-crystal display at last.

测量系统把传感器传来的频率信号转换成对应的侧滑量,显示在液晶显示器上。

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推荐网络例句

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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?