巴黎金沙-『2TBH·COM』葡京真钱网站是多少 --20230327.H5c2a3. X
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A lot of the components are common between the TR-3 and TR-4, but every
once in a while they threw in a curve like that cap to keep us off
balance! :-)
金鹏俱乐部贵宾会员
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CUL, Byron.
----- Original Message -----
From: "Garey Barrell" <[EMAIL PROTECTED]>
铮?铮?铮?H K欧洲杯盘囗k8凯发推荐注册首页
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铮? KBI(Business Intelligence),即商务智能,是指用现代数据仓库技术、在线分析技术、数据挖掘和数据展现技术进行数据分析以实现商业价值。139彩票网官网删除
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ZApache Kylin目前提供的Cube构建引擎有两种:MapReduce和Spark(如图2-20所示)。如果你的 Cube只有简单度量(如SUM、 MIN、MAX),建议使用Spark。如果Cube中有复杂类型度量(如COUNT DISTINCT、 TOP_N),建议使用MapReduce。 铮?J
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4.0.2-sp1桌面版本:
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接下来介绍几种不同的构建方式。 J 注册送礼金白菜网
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B联合维度(Joint Dimensions):是将多个维度视作一个维度,在进行组合计算的时候,它们要么一起出现,要么均不出现,通常适用于以下几种情形: S
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维度模型是数据仓库的核心。它经过精心设计和优化,可以为数据分析和商业智能(BI),检索并汇总大量的相关数据。在数据仓库中,数据修改仅定期发生,并且是一次性开销,而读取是经常发生的。对于一个数据检索效率比数据处理效率重要得多的数据结构而言,非标准化的维度模型是一个不错的解决方案。 ? 铮?H
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利用数据仓库方式存放的资料,具有一旦存入,便不随时间变化而变动的特性,此外,存入的资料必定包含时间属性,通常,一个数据仓库会含有大量的历史性资料,并且它利用特定分析方式,从中发掘出特定的资讯。 M
kone娱乐平台用户登录-『2TBH·COM』注册送6app --20230327.H5c2a3.铮? J
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如何对 like 语句中的关键字进行转义?
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Hello-
I have an unusual problem perhaps someone could shed some light on:
I have a TR-4 in 29K serial range that functions normally
except it will not go back into receive, until after approx 30 second
delay, after the mic button is released or the function switch turned
back to "SSB". This condition worsens (longer delay) the more you
frequently you transmit. The sidetone disappears but T-R relay will
not release.
I have tried different known-good 6EV7 tubes, have replaced a lot
of the coupling / bypass caps in T-R circuits, did resistance /
voltage checks, adjusted the VOX / VOX delay controls, tried other
tubes in T-R circuit, etc. to no avail.
What is real curious about this is that while waiting for it to go
back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
is with the lead that goes from T-R relay coil to pin #1 on 6EV7
(somehow allowing enough leakage to ground?) or could it be the T-R
relay coil itself I made sure socket / pins and all are clean on 6EV7.
Any help appreciated, thanks.
Perplexed,
Byron WA5THJ.
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Hello-
I have an unusual problem perhaps someone could shed some light on:
I have a TR-4 in 29K serial range that functions normally
except it will not go back into receive, until after approx 30 second
delay, after the mic button is released or the function switch turned
back to "SSB". This condition worsens (longer delay) the more you
frequently you transmit. The sidetone disappears but T-R relay will
not release.
I have tried different known-good 6EV7 tubes, have replaced a lot
of the coupling / bypass caps in T-R circuits, did resistance /
voltage checks, adjusted the VOX / VOX delay controls, tried other
tubes in T-R circuit, etc. to no avail.
What is real curious about this is that while waiting for it to go
back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
is with the lead that goes from T-R relay coil to pin #1 on 6EV7
(somehow allowing enough leakage to ground?) or could it be the T-R
relay coil itself I made sure socket / pins and all are clean on 6EV7.
Any help appreciated, thanks.
Perplexed,
Byron WA5THJ.
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使用增量构建的优势是,每次只需要对新增数据进行计算,避免了对历史数据进行重复计算。对于数据量很大的Cube,使用增量构建是非常有必要的。铮? L
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快乐飞艇投注骗局
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Ron / WB4HFN
-------------- Original message --------------
From: Garey Barrell <[EMAIL PROTECTED]>
>
> Garey Barrell made an utterance to the drakelist gang
> ----------------------------------------------------------------------
> Byron -
>
> OK. Relays take more coil current to "pull in" than they do to "hold
> in". It takes a certain amount of current through the coil (pull) to
> drag the armature from it's non-energized position to the energized
> position. It takes much less current to (hold) it once there, so slight
> leakage might NOT be sufficient to pull, but more than enough to hold.
>
> I don't know of any good way to touch up the panels. The original
> "paint" is so thin, (I actually think it is more a dye (anodize?) than
> paint, but don't know for sure,) and as a result any sort of paint ends
> up looking worse than the mark! For a small mark or two, it might be
> possible to just "fill" the mark to the level of the panel, but a string
> of numbers would be a real challenge. Never could understand people
> that do that sort of thing, especially on the front panel!!
>
> I just saw your order. There are scans of both the 34-NB and the 34-PNB
> manuals, with quite a bit of information, plus I have added a photograph
> of the board itself with active components and alignment info
> annotated. There is also a Voltage table for the NB, which has not been
> previously published. It's really a straightforward design, and most
> units in the field benefit from an alignment.
>
> A lot of the components are common between the TR-3 and TR-4, but every
> once in a while they threw in a curve like that cap to keep us off
> balance! :-)
>
> Your CDs will go out tomorrow. Thank you!
>
> 73, Garey - K4OAH
> Glen Allen, VA
>
> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
>
>
>
>
> Byron Tatum wrote:
> >
> > "Byron Tatum" made an utterance to the drakelist gang
> > ----------------------------------------------------------------------
> > Hey Garey-
> > Thank you for the comments and help. I start nights at work and
> > will have several to complete, then I will get back into the TR-4. I
> > will measure voltage as you suggest, looking for a slight voltage
> > drop. Then I will check out relay itself.
> > I am beginning to think that it is the magnetizing of pole piece
> > and relay wear that is the problem. If it was a leakage to ground on
> > the 6EV7 pin #1 lead you might think the set would go into TX on its
> > own (relay energize) every now and then, of which I have never saw it do.
> > One other thing- I bought a nice TR-4 from a fellow, based on
> > several pictures, but the photo angles, due to glare, covered up (of
> > all things) a ham's DL # engraved on the front panel in tiny lettering
> > , immediately to the right of "TR-4" on front panel. Do you know of a
> > touch up paint that matches the darker grey of that front panel area?
> > I got the set for a decent price, it was nice and had the built in
> > NB, but had a problem (as advertised). I found T-9 to be burned out in
> > center area of coil form. I had a spare T-9 from a parts unit TR-3.
> > Thank goodness I opened up the TR-3 T-9 transformer before I installed
> > it -- it had a 56 pF cap in it that was not in the TR-4 T-9. Otherwise
> > the coils looked the same. Anyway, I clipped out the capacitor and all
> > went OK after the repair. That is not a fun repair for sure!!
> > CUL, Byron.
> > ----- Original Message ----- From: "Garey Barrell"
> > To:
> > Sent: Tuesday, April 29, 2008 1:46 PM
> > Subject: Re: [drakelist] TR-4 TX Hang-Up
> >
> >
> >> Byron -
> >>
> >> Well things were going well until you pulled the tube out of the
> >> socket! :-)
> >>
> >> There are a limited number of possibilities in that case. The relay
> >> coil leads go through the feedthrough bypass caps _under_ the power
> >> connector. Of course the relay lead to the 6EV7 is the one UNDER the
> >> Jones connector, the last one in the "arc" of feedthroughs there.
> >> (C92) There are no more components between this feedthrough and the
> >> 6EV7 tube socket. The other relay coil lead goes directly the +250V bus
> >> via the next feedthrough cap along the arc, (C91). So the voltage
> >> measured at the tube socket pin with the tube out should be exactly the
> >> same as the +250V bus. Any drop would indicate leakage. See attached
> >> photo from my CD (at reduced resolution).
> >>
> >> So..... Leaky C92, leaky tube socket, pinched wire. One possibility I
> >> have seen a few times is the "down" stop on the relay gets hammered down
> >> over the years, allowing the armature to actually touch the pole piece
> >> of the coil. The pole piece is slightly magnetized, and if the armature
> >> physically is in contact with it, it will "stick". An easy check is to
> >> slip a piece of paper in to prevent metal to metal contact between the
> >> two. The "down" stop can be bent back up to prevent this contact.
> >>
> >> Let us know what you find!!
> >>
> >> 73, Garey - K4OAH
> >> Glen Allen, VA
> >>
> >> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
> >>
> >>
> >>
> >>
> >> Byron Tatum wrote:
> >>> Hello-
> >>> I have an unusual problem perhaps someone could shed some light on:
> >>> I have a TR-4 in 29K serial range that functions normally
> >>> except it will not go back into receive, until after approx 30 second
> >>> delay, after the mic button is released or the function switch turned
> >>> back to "SSB". This condition worsens (longer delay) the more you
> >>> frequently you transmit. The sidetone disappears but T-R relay will
> >>> not release.
> >>> I have tried different known-good 6EV7 tubes, have replaced a lot
> >>> of the coupling / bypass caps in T-R circuits, did resistance /
> >>> voltage checks, adjusted the VOX / VOX delay controls, tried other
> >>> tubes in T-R circuit, etc. to no avail.
> >>> What is real curious about this is that while waiting for it to go
> >>> back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
> >>> ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
> >>> is with the lead that goes from T-R relay coil to pin #1 on 6EV7
> >>> (somehow allowing enough leakage to ground?) or could it be the T-R
> >>> relay coil itself I made sure socket / pins and all are clean on
> >>> 6EV7.
> >>> Any help appreciated, thanks.
> >>> Perplexed,
> >>> Byron WA5THJ.
> >>>
> >>
> >
> >
> > ----------------------------------------------------------------------
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> > Zerobeat Web Page: - sponsored by
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> >
> >
>
> ----------------------------------------------------------------------
> Submissions: [EMAIL PROTECTED]
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你可以按照文章里的步骤对kylin进行初步的了解和体验,掌握kylin的基本使用技能,然后结合自己的业务场景使用kylin来设计模型,加速查询。 E
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1) 浪潮一体机状态栏图标出现在状态栏中间,日历打不开 F
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下载41彩票网
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