Signal frequency range is also adjustable according to requirements.
信号频率幅度也按要求可调。
This will enable the next generation, high dynamic range mixed signal technology and high frequency RF power sources.
这将有利于下一代高动态范围的混合信号技术和RF高频电源技术。
If the input signal is anywhere in the frequency range of the detector, the meter will make a valid power measurement.
只要输入信号落在检测器的频率范围内,则功率计就能给出准确的的功率。
The preceding method is uses the signal in the frequency range energy distribution trick recognition goal, the actual test obtains approximately 83% average recognition rate.
前一种方法是利用信号在频域的能量分布特征识别目标,实际测试取得约83%的平均识别率。
It will be affect the range processing that the frequency agile of carrier in frequency agile signal arouse the variety of Doppler frequency, so the compensate of velocity door is obligatory.
跳频信号中载频的跳变会引起多普勒频率的变化,这对距离的处理产生影响,必须进行速度门的处理。
But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.
若上述正实条件仅在某些频带上满足,则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。
The circuit and method for obtaining equal measuring accuracy and response speed in a wider frequency signal range are discussed in this paper.
本文探求在较大的被测频率信号范围内获得相同的测量精度与响应速度的测量方法及电路。
When sinusoid signal is inputted, we measured the frequency response range of this circuit.
利用正弦波作为输入信号时,测出了此驱动电路的频率响应范围。
They obey normal distributions. Distributions of power spectral density (PSD) for pressure signal display narrower frequency range and higher amplitude.
压力信号的功率谱密度具有频率波动范围窄、幅值大的特点;
The Doppler character of the frequency stepped signal is resolved into several elements, and the influence of every element on synthesized range output is analysed in detail.
将频率步进信号的多普勒特性分解为几个基本因素,详细分析了各部分对合成处理距离输出的不同影响。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
为了提高脉冲串信号的距离分辨力,曾有文献提出了对子脉冲的载频进行线性递增的方法。
Based on the signal characteristic of frequency agile and coding, the processing of range will be carry out in two kinds of methods.
根据信号的跳频和编码特性,距离的处理可以用两种方法实现。
In linear frequency modulated continuous wave (LFM-CW) radar the range resolution is determined by signal bandwidth and linearity.
在线性调频连续波雷达中,距离分辨力由线性调频信号的带宽和线性度等决定。
The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network.
为了研究OFDM信号在低压电力线上的传输情况,运用基于维格纳分布的时频分析方法对电力线上的信号进行分析。
The special relationship among signal bandwidth, center frequency and imaging squint angle in the Range-Doppler imaging algorithm and other methods is also presented in the Chapter 3.
本章通过分析提出了距离多普勒等成像方法中信号带宽、工作频率和成像斜角之间存在的特定关系。
This chip is applicable for the measure of signal, whose amplitude and frequency has high dynamic range .
这种芯片非常适用于信号的幅值和频率动态范围大的测量系统。
A non parametric equalizer is a filter which weakens or strengthens a signal in a certain frequency range.
参数的非均衡是一个过滤器削弱或加强的信号在一定的频率范围。
While the alterable frequency and scope sawtooth sweep signal for TFFP can neatly change the scanning range of the system, which is more improved the demodulation speed.
同时变频变幅的TFFP锯齿波扫描信号可以灵活地改变系统的扫描范围,进一步提高了系统的解调速度。
The thesis plans improving frequency estimation accuracy, without changing the bandwidth of the transmitted signal. So, we can improve the range estimation accuracy.
因此,本文拟在不改变扫频带宽的前提下提高频率估计精度从而提高距离测量精度。
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号,具有大的带宽,因此有高的距离分辨力。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
Test results show that the signal power supply has good stability, wide frequency range and good performance.
实验结果表明本信号电源工作稳定、频率变化范围大,同时具有良好的动静态性能。
Sound card oscilloscope software oscilloscope, signal generator, frequency meter, multimeter functions in the audio range can completely replace the equipment.
声卡示波器软件实现了示波器,信号发生器,频率计,万用表的功能,在音频范围内可完全替代上述仪器。
The range measurement of the FMCW radar is based on the estimation of the frequency of the beat-note signal.
为了提高FMCW雷达的距离测量精度,提出了一种基于差拍信号相位的距离估计方法。
The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.
在现代雷达中,得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。
The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.
文中在校准应用研究中采用田口方法,根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。
This paper analyzes the reason why the FMCW signal determined with high sweep repetition frequency (HSRF) generates high range sidelobes in deramping processing.
本文分析了高扫频重复频率的确定截断FMCW信号在去斜率方式下处理高速运动目标时产生较高的距离旁瓣的主要原因。
This paper presents an audio hiding algorithm based on DWT. The security information is embedded in the larger coefficients of high frequency range detail signal.
提出了一种基于小波变换的语音信息隐藏算法,算法在小波变换的高频系数中嵌入密文信息,获得了很好的隐藏效果。
The time-domain pulse antenna has the ability to radiate and receive the fast changed transient signal, because this kind of pulse radiation antenna has very wide frequency range.
时域脉冲天线具有辐射和接收快速变化的瞬态脉冲信号的能力,这种脉冲天线能够覆盖很宽的频带。
The linearity of the FMCW signal is an important index to appraise the frequency modulated source. It determines the radar range resolution in the system of radar range.
线性调频连续波(FMCW)信号的线性度是衡量线性调频源质量的一个重要指标,在雷达测距系统中,它决定着雷达的距离分辨率。
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