參數(shù)資料
型號(hào): SDA9255
廠商: SIEMENS AG
英文描述: SRC-Scan Rate Converter SDA9255
中文描述: 鋼骨混凝土掃描頻率轉(zhuǎn)換器SDA9255
文件頁(yè)數(shù): 20/45頁(yè)
文件大?。?/td> 225K
代理商: SDA9255
SDA 9255
Semiconductor Group
18
1998-02-01
Table 1
MDFORNR and Corresponding k-Factor
For NRKF0 ... 3 values between 0 and 7 can be chosen. The following table shows the
theoretical amount of noise reduction dependent on the applied k-factor.
Table 2
Filter Coefficients Dependent on the k-Factor
The subaddresses 04
H
, 05
H
and 06
H
(MDNRTH0, MDNRTH1, MDNRTH2,
see description of
I
2
C Bus
) are used to align the motion detection for noise reduction
(MDFORNR). The sensitivity of the motion detection is influenced by changing the
threshold levels of the motion values. A rough block diagram of the motion detection for
noise reduction is shown below.
MDFORNR
0
1
2
3
k-Factor
NRKF0
NRKF1
NRKF2
NRKF3
Mode
Still
Quasi still
Quasi motion
Motion
k-Factor
0
1
2
3
4
5
6
7
Amount of NR
0 dB
1.1 dB
2.2 dB
3.4 dB
4.8 dB
6.4 dB
8.5 dB
11.8 dB
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