So noise analysis of loop filter is very important.
所以环路滤波器的噪声分析非常重要。
A loop filter is employed to alleviate the blocking artifacts further.
一个环过滤器被雇用更进一步减轻阻断人工品。
Loop filter: the encoder attempts to optimize the loop filter parameters for maximum PSNR.
回放过滤器:编码器试图优化回放过滤器的参数,以达到最大的峰值信噪比。
The method of designing the loop filter with the phase margin and loop bandwidth is displayed.
并提出了从环路带宽和相位余量出发设计环路滤波器的方法。
The loop filter is designed to match the characteristics required by the application of the PLL.
回路滤波器被设计成PLL应用所需要的特性。
In this article, PLL theory, design of loop filter and phase noise theory are introduced at first.
本文先介绍了锁相环的工作原理,环路滤波器的设计并对相位噪声的理论进行了阐述。
Then introduced the entropy decoding and adaptive in-loop filter which are time-consuming modules.
接着对解码中比较耗时的熵解码及自适应环路滤波模块做了详细的介绍。
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
Verdict on Loop Filter: Definitely worse compression-wise than h. 264's due to the lack of adaptive strength.
回放滤波器结论:在压缩比上绝对比h. 264的差,因为缺乏强度自适应。
When the PFD does not generate pulses in lock mode, the charge pump does not provide charge to the loop filter.
当PFD在锁定模式中不生成脉冲时,电荷泵不提供电荷给环路滤波器。
The timing error detector and loop filter of HDPLL are all digitized, whereas the VCXO employs analog components.
HDPLL中定时误差检测器、环路滤波器是全数字的,而VCXO使用了模拟器件。
The loop is a second order phase lock loop, consisting of an interpolator, a timing error detector and a loop filter.
环路为反馈结构,包括插值器、时钟误差检测和环路滤波器三个部分。
Noise which comes from both active and passive circuit element in loop filter will deteriorate phase noise of output signal.
环路滤波器中的有源和无源器件均有噪声产生,此类噪声会叠加在输出信号上,从而恶化输出信号的相位噪声。
A passive loop filter scheme and the design method of the filter for current charge pump PLL frequency synthesizer chip are given in the paper.
针对电流型电荷泵PLL频率综合器芯片,提出一种称为极值相位裕量的无源环路滤波器方案和设计方法。
A current optimization technique is proposed by making a specification optimization of the Operational Transconductance Amplifier in loop filter.
经由将回路滤波器中的运算跨导放大器的规格做最佳化,一个电流最佳化的技术被提出。
The narrower the loop filter bandwidth the smaller the achievable phase error. This comes at the expense of slower response and reduced capture range.
滤波器的带宽越窄,得到的相位差越小,其代价为响应变慢俘获范围变小。
Then analyses the complexity of AVS decoder and finds out the the critical modules are motion compensation, integer transform, quantization and loop filter.
然后对解码器进行复杂度分析,找出解码耗时的关键部分分别为运动补偿、反变换、环路滤波等模块。
The function of a loop filter is to filter high-frequency signal out of the output voltage from PFD and CP, thus the output signal from VCO will be purified.
环路滤波器的作用就是滤除从PFD&CP出来的电压中的高频成分,从而纯化VCO的输出信号。
The loop filter is run after decoding or encoding a frame and serves to perform extra processing on a frame, usually to remove blockiness in DCT-based video formats.
回放过滤器在解码或编码一个帧后运行,在帧上执行一些额外的处理,在基于DCT的格式中通常是消除区块效应。
Upon the low power design consideration, a hybrid active-passive loop filter is employed and the signal summing block is removed by using discrete-time differentiation technique.
基于低功耗设计考虑,调制器采用有源-无源混合型环路滤波器,并通过离散时间微分技术移除信号求和模块。
According to transfer functions of the loop filter and the single phase locked loop system, it figures out the loop filters parameters, and introduces the selection of loop bandwidth.
根据环路滤波器传递函数以及单环锁相系统的传递函数,计算出环路滤波器的各个参数,并介绍了环路带宽的选择。
The paper analyzes the design method of passive loop filter thoroughly, and presents a effective design method. The method has obvious advantage comparing to the design method in existence.
对锁相环的环路滤波器的设计方法进行了深入研究,给出了一种环路滤波器设计方法,该设计方法与现有设计方法相比具有较明显的优点。
This paper gives the design and experimental results of low noise NPLL frequency synthesizer and concludes that the passive loop filter is more suitable for low noise design than active loop filter.
介绍低相噪NPLL频率综合器的设计及实验结果。提出用无源环路滤波器比用有源环路滤波器更好,可获得低相噪设计。
On condition that the open-loop parameters are given, the loop filter of feedback seismometer with a velocity transducer is one of the key factors of effecting seismometer main technical performances.
在开环参数一定的条件下,速度传感反馈地震计中的环路滤波是影响地震计主要技术指标的关键环节之一。
In fact, Scala's Enumeration class supports the usual methods for working with collections, so we can easily iterate through the breeds with a for loop and filter them by name.
实际上,Scala的枚举类支持和集合协作需要的一般方法,所以我们可以简单地在循环中遍历这些种类,或者通过名字过滤它们。
It's a filter, and only those elements that pass the filter (that is, evaluate to true) will in fact "carry forward" to the body of the loop.
它是一个过滤器,实际上,只有那些传递给过滤器(即计算true)的元素“向前传给”了循环主体。
Active band-pass filter is a important section of pulse width modulated rebalance loop.
有源带通滤波器是脉冲调宽再平衡回路的一个重要部分。
The possibility of using this kind of phase-locked loop under noise interference and the problems of filter design are discussed.
文中还讨论了在噪声作用下采用这种环路的可能性和滤波器的设计问题。
Because the circuit needs current overload protect, a double loop strategy , with current feedback of filter inductance as inner loop and output voltage as outer loop, is studied.
根据需要电路电流过流保护的特点,重点介绍了滤波电感电流反馈做内环,输出电压做外环的双环控制策略。
In tracking aspect, use carrier tracking loop based on Kalman filter to improve tracking performance.
在跟踪方面,采用了基于卡尔曼滤波的载波跟踪环来提高跟踪环的性能。
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