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全部话题 - 话题: trajectory
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s********g
发帖数: 124
1
http://online.wsj.com/article/SB1000142405270230445980457728183
.html
Why I Am Leaving the Knicks
Today is my last day at the New York Knicks. After almost three and a
half years coaching this mystifying basketball team – first with an
apathetic Stephon Marbury and bunch of random guys they found wandering
around the men's department in Macy's; then with the third-leading scorer
in Denver Nuggets history – I believe I have worked here long enough to
understand the trajectory of its culture, its ... 阅读全帖
w******t
发帖数: 475
2
Today is my last day at the New York Knicks. After almost three and a half
years coaching this mystifying basketball team – first with an apathetic
Stephon Marbury and bunch of random guys they found wandering around the men
's department in Macy's; then with the third-leading scorer in Denver
Nuggets history – I believe I have worked here long enough to understand
the trajectory of its culture, its players and why nearly every coach has
run screaming from this arena, ripping out chunks of his r... 阅读全帖
h***2
发帖数: 923
3
林到目前为止整体打得挣扎是事实。我们所谓的“林黑”讨论他的缺点其实是对他的成
长抱有美好的愿望,颇有“恨铁不成钢”的意思,对他的成长急切了点,并不是想对他
进行人身攻击。如果不饭他也不会这么关注他。
但如果你自己有打球或长期看球的经验,你会看出他本身的技术还是有很多缺陷,从运
球(keep the ball alive),到投篮(catch & shoot, quick release, consistency),
再到防守(P&R defense, overactive double team),这些版上都有充分讨论了。
看Lin的比赛颇有点“养成类游戏”的意思,看他不断sharpen他的skills, 所以才调足
人胃口。当然他会有很多setbacks,所以也会有很多失望。
他的经历已经很狗血传奇了,有点篮球界的Forrest Gump的意思。到目前为止在他的篮
球生涯里不同时期搭档不同的超巨,从Melo,到胡子,再到老年Kobe,要是最后能再混
个总冠军就圆满了。
最后我想说的是,我想大多数“林黑”,像我一样,对Lin的印象始终是positive的。
但因为他的表现,对他的今后职... 阅读全帖
h***2
发帖数: 923
4
来自主题: Basketball版 - 萝莉当年在姚明身边打替补的时候
同意。茉莉选人比较靠谱,用统计模型预测球员的trajectory。
如此说来,Lin将来也~~?
j**********r
发帖数: 3798
5
来自主题: Basketball版 - 铁林的防守我服了。。。
尼玛这种chilingish,连基本术语都没整明白的blog,你丫也好意思拿出来,就这野鸡
水平也来出来丢人?
这东西叫做restricted area,不叫做reasonable collision zone.
规则在这里。这一系列的定义说明,想要不吹犯规,整个动作应该是向上或者向后,最
后整个人前倾横着拍下来肯定是不行的。他起跳的时候不犯规,最后自己失去平衡手在
前下来肯定是犯规了。最简单的,你自己趴地上不犯规,你压了别人起不来就犯规了。
而且它在空中失去平衡主要是由队友引起的,怎么可能吹进攻犯规。
http://official.nba.com/nba-rule-authority-restricted-area-and-
Maintain a vertical trajectory by jumping straight up. If the player jumps
toward or to the side of an oncoming player, he will be assessed a blocking
foul. A player may, however, a... 阅读全帖
p********y
发帖数: 5141
6
来自主题: Cycling版 - The Rules
Someone asked what the rules of bike jersey, and someone else point him to
this link. It is hilarious. Totally loved it! =D
------------------------------------------------------
THE RULES
http://www.velominati.com/the-rules/
by The Keepers / Jun 1 2009 / 6,291 posts
We are the Keepers of the Cog. In so being, we also maintain the sacred
text wherein lie the simple truths of cycling etiquette known as The Rules.
It is in our trust to maintain and endorse this list.
For those struggling to under... 阅读全帖
h*******r
发帖数: 250
7
来自主题: Fishing版 - 向Mayo求教7米长杆秘籍
I agree, the main challenge is that it needs a precise casting trajectory
control rather than hitting the final target...
c******t
发帖数: 1733
8
来自主题: Fitness版 - [bssd] 奔段视频
Common errors performing classic lifts.
by Sergey Rudnev,IKSFA Master Coach
a) JERK 1. Error: feet are wider than shoulder width Consequences: reduction
of the distance and speed of acceleration of the bells, worsening of the
efficiency of the leg work. Causes: low mobility in the hip joints or lack
of knowledge of physics. Correction: in the former case I recommend rocking
in gymnastic bridge or static rack holds (1-5 minutes). In the latter I
recommend revising the section of physics entitled ... 阅读全帖
c******t
发帖数: 1733
9
来自主题: Fitness版 - [bssd] 奔段视频
Common errors performing classic lifts.
by Sergey Rudnev,IKSFA Master Coach
a) JERK 1. Error: feet are wider than shoulder width Consequences: reduction
of the distance and speed of acceleration of the bells, worsening of the
efficiency of the leg work. Causes: low mobility in the hip joints or lack
of knowledge of physics. Correction: in the former case I recommend rocking
in gymnastic bridge or static rack holds (1-5 minutes). In the latter I
recommend revising the section of physics entitled ... 阅读全帖
L*******r
发帖数: 5448
10
发信人: roscoe (roscoe), 信区: Football
标 题: 2004 NFL选秀预览 - QB篇(一)
发信站: Unknown Space - 未名空间 (Mon Apr 5 10:49:23 2004) WWW-POST

QB篇(一)
NFL选挑选QB时在乎的无外乎Size, Arm Strength/Throwing Power, Quick Release,
Decision Making几项,这也难怪很多在College level成功的QB在NFL很难有所作为。
典型的例子有:Florida的Danny Wuerffel,Boston College的Doug Flutie等。
Eli Manning
Ole Miss
6’5”, 221lb, Senior
40-dash 4.9s
简述
去年的Johnny Unitas Golden Arm Winner。Eli Manning出身于QB世家... 阅读全帖
x******2
发帖数: 4034
11
Spt, RW's trajectory is also beautiful.
x******2
发帖数: 4034
12
Spt, RW's trajectory is also beautiful.
g*******s
发帖数: 2828
13
来自主题: Football版 - Josh Freeman benched
Bucs coach is benching Freeman in favor of the rookie he picked.
I thought Freeman is an above-average QB with good arms. He was on an upward
trajectory until he got in the doghouse of the new coach.
Which team may be interested in trading for him or waiting till the end of
the season to sign him?
I can't help wondering if Pats may be interested. Not the first time they
pick up discarded players from Schiano (Talib, Blount). They could really
start grooming for a successor for Brady. Freeman is ... 阅读全帖
m*****y
发帖数: 2424
14
来自主题: Football版 - 这场比赛卡普乃又啥没干啊!
还是传出不少好球,TD那个很神,progression read也不错,接球手真没太多
separation,所以他还是不敢扔外线。INT是最大败笔,差点输在这上,高两寸就是TD,
他的trajectory还是有点问题。
g*******s
发帖数: 2828
15
来自主题: Football版 - On to 宇宙狮
snaps have steadily increased. if you watch last game carefully, he actually
had numerous QB pressure on Luck. I am cautiously optimistic if he can
follow Collins's trajectory last year.
Interior pressure is one thing missing from our D in years.
a*****g
发帖数: 19398
16
Stanford neuroscience research identifies more effective way to teach
abstract math concepts to children
A new study shows that students who use symmetry to learn about numbers tap
into critical brain circuits. The approach appears promising in improving
math skills in general.
By Edmund L. Andrews
(Courtesy AAALab@Stanford)
Building on new discoveries about how the brain grapples with abstract
mathematics, researchers at Stanford Graduate School of Education (https://
ed.stanford.edu/) have dev... 阅读全帖
k***a
发帖数: 87
17
Heheh, that might be what I had experienced too... since I usually end up
slicing some of my drives (as in not enough draw), I set the r7 to draw with a
moderate height in trajectory, now my drives are mostly straight or show a
slight fade, and it works quite well that way.
b******e
发帖数: 671
18
来自主题: Golf版 - How to get a solid contact?
There is a big difference for me on the tee and off the grass
for the same iron. Almost 20-50 yards. How to get a solid
contact and get a high trajectory?
ET
发帖数: 10701
19
来自主题: Golf版 - Open topic: what's in your bag?
ET's bag:
Titleist Pro Titantium 905E driver
Titleist Pro Trajectory 904F 17 degree fairwood
Nike T40 19 degree fairwood
Taylormade 200 iron set (graphite shaft)
Titleist Vokey wedges (52 degree gap wedge and 56 sand wedge)
Taylormade Monza center putter (35'')
I am thinking to sell my Titleist 17 degree fairwood and get a nike 15 degree
fairwood, also switch my TM 200 iron set to Rac LH iron set (steel shaft), and
also sell my 52 degree gap wedge and get a 60 degree lob wedge).
And what's in yo
ET
发帖数: 10701
20
来自主题: Golf版 - [合集] How to get a solid contact?
☆─────────────────────────────────────☆
bedscape (stone) 于 (Mon Mar 28 19:25:35 2005) 提到:
There is a big difference for me on the tee and off the grass
for the same iron. Almost 20-50 yards. How to get a solid
contact and get a high trajectory?
☆─────────────────────────────────────☆
soundview (康夫子) 于 (Tue Mar 29 13:23:20 2005) 提到:
it is not easy to hit it off the fairway as clean as off the tea. even the
pro's choose to tea up on par 3s and there's a reason for that. once the ball
is
ET
发帖数: 10701
21
来自主题: Golf版 - wie withdrew from John Deer
Read from the lastest Golf Digest. A 90-year-old grandma talked about Miss
Wie.
Actually, Tiger said the same thing about this girl's swing, she hit/pratice
the punch shot too much so that her wrist easily gets injuried.
Punch shot needs a strong arm for sure 'coz the left hand doesn't release
from the follow-through movement.
The left hand is the leading hand which guides the ball's trajectory,
basically.From my knowledge, punch shot is mostly used when against wind, or
for some rescue purpose.
ET
发帖数: 10701
22
this is a reasonable question, but apparently, there is no specific answer
from me.
Usually, 7 iron has a loft of 37 degree, the perfect ball trajectory for a 7
iron is supposed t be 37 degree.However, there is no such thing called
perfect.
how far? depends on the players capability. Golfdiget surveys shows more
than 80% golf players claim their 7 irons go as far as 150 yards, however,
the measured average is 135 yards.
150-yard is still a reasonable distance for you and me. For pros, we really
ET
发帖数: 10701
23
your ABC friend is really good.
Ur guess is right, from my aspect.
"他们的long iron和driver球都是象炮弹一样直飞出去而不是抛物线", before i talk
about the trajectory of long iron, the ball flight for their driver is
reasonable. Either he uses a lower loft driver, like 8.5 degree, or he tees
ball lower. (i prefer the 1st guess.)
For the long iron, it's hard to judge from ur word. But it's true, as I said
here before, currently, pros like hitting ball higher using long iron,
lower for short irons, all for better distanc
ET
发帖数: 10701
24
来自主题: Golf版 - the swing i am working on..
恐怕就是tiger在fedex cup commerical里那里几个挥杆动作中铁杆那节:撸一下衣服
袖,随挥动作里那双手和手臂往前送那种deliver的感觉,超舒展。。
这样的挥杆对short iron能帮助送出不同trajectory的球。。
ET
发帖数: 10701
25
还是不太明白你的感觉。
首先你打golf多久了?如果刚开始这项运动,那里酸都有可能。
如果是个持续练习者,如果还有左手腕的问题,的确该严肃考虑下。要知道,左手腕(
对右手者)受伤是个常见损伤。
golf swing 中,左手(按照tiger woods的说法,左手背)是guide作用,控制球的
trajectory等,右手(手豌和手碧)是力量来源。
如果你试着只用一只手击球,你会发现左手很少能发出力来。
所以,我要说的就是,认为左手该使力这个thought就不对。左手腕受伤一个典型原因
是不release左手腕,比如punch shot,原因可能是总是top球,所以试着讲左手腕在击
完球后不及时翻转向上(类似钟摆在到达最低点后向上摆动。)
纠正办法:试一只手击球,左右手各几次,感觉来自手腕的feel,去寻找击球的timing
a******n
发帖数: 202
26
来自主题: Golf版 - Ben Hogan vs Tiger Woods
I am new here, have my two cents for sharing...
Sergio Garcia was very much Ben Hogan like in terms of flat plane in swing.
Now he is more upright.
While Tiger used to be very upright, now he is a little flat in order to
control the trajectory according to his recently blog email.
But hard to say which one is better, having said that I don't think mimic
Tigers swing is a good idea. He is a different animal.
ET
发帖数: 10701
27
来自主题: Golf版 - several swing video from me
10.5 degree. it's good for me.. i tried 9. 9.5..seems shaft matters a lot.
i got resonable trajectory from the 10.5. the difference is not that idea
tho..
a******n
发帖数: 202
28
来自主题: Golf版 - TIGER'S TIP
By Tiger Woods, Golf Digest Playing Editor, Edited By Pete McDaniel and Mark
Soltau
Focus on the landing
Try this practice drill for delicate pitches
Little pitches and chips from the first cut require soft hands and great
technique. You also have to factor in roll-out. The trick is to judge how
far to carry the ball.
I practice these short shots by sticking a tee in the green for both my
landing spot and hole location (if I'm not chipping to a flag). I also vary
my trajectory depending on the s
n**h
发帖数: 154
29
来自主题: Golf版 - 新手求教
Thanks a lot, ET.
貌似现在价钱都便宜了,
taylormade r7 460
http://rockbottomgolf.com/taylor-made-golf-r7-460-titanium-driver.html
是这个吧,只要$179.99 + $9.99 shipping
callaway 的要$199.99
http://www.sportsauthority.com/product/index.jsp?productId=2157215&cp=714659.714747&filter=yes&fCat=714747&fbrandid=13027&fpricesort=priceDescending&parentPage=family
另外一个问题是,这里的color:size有好多选项,应该选哪个?
High Trajectory Graphite Regular Flex?
ET
发帖数: 10701
30
来自主题: Golf版 - 新手求教
en ..high trajectory & regular flex..is a good choice..
ET
发帖数: 10701
31
来自主题: Golf版 - driving distance
Yes. My comment on shaft weight is just too general. Definitely everything
has to fit the player's capability to optimize its performance. The same
flex, kick point, length, heavier one is more for control instead of
distance.
Yes, my ball flight goes lower 'coz it's a 9 degree one. The trajectory is
more reasonable. My ball flight is more like a ballon for the old drive.
I would say 20 yards more for the new one, at least. Still, I didn't quite
get used to the new one yet. The chance I make mis
K***n
发帖数: 131
32
Thanks for all of you guys' comments and suggestions.
How about Adams Tight Lies Original 16-piece Club Set w/ Bag, $300 + tax? it
is from Sports Authority. I plan to buy it this weekend.
Following is the details:
Great club set for golfers of all skill levels
Set includes driver, fairway woods, irons, putter, and stand bag
All clubs are standard men's length
Woods fitted with Ultralight graphite shafts to optimize distance,
trajectory, and control
Irons fitted with lightweight steel shafts for
z***u
发帖数: 115
33
no shaft detail model/spec on the website.
usually, aldila nv is for players with faster clubhead speed, while aldila
nvs is for slower speed and higher launch.
prolaunch also has 2 version, blue and red, blue for higher trajectory and
red for lower.
It all depends on your clubhead speed. for beginners, I recommend nvs and
prolaunch blue. they should be easy to hit.

which
ET
发帖数: 10701
34
来自主题: Golf版 - 初学者,请推荐一款driver.
cheaper, better, for the beginner.. for my aspect..
draw means a ball flight trajectory. it's like straight for 90%, and turn
LEFT 10% or (80%/20%) lol....
draw means left curve..
ET
发帖数: 10701
35
all stiff..
but adilva's stiffness could be different from USTA's
Adilva is a good shaft maker . i use its shaft for my driver/woods.
for the 1st cobra 10.5 degree, i know it's shaft which makes the distance
difference. for the 2nd 9 degree cobra, it might not be the shaft. but just
don't know..
the degree? it depends for amaturers. at least, we can judge from the ball
trajectory. what I found for my 9 degree is.. i am still hit the ball sky
high, even i just tee it off a bit higher than the gro
ET
发帖数: 10701
36
it is an interesting thing for me too.
seriously, I tried to figure out the reason.
(1) is like u said, I believe the material of club head degraded after
several years which meant cobra used some bad material. My feel is, the club
head is absorbing some energy so the contact sounds differently.
(2) is , might be my swing speed increases. The shaft might not be a good
fit for the swing speed any more. this can be observed by ball trajectory
tho.
Joey, the guy I mentioned last time, asked me if
t*****n
发帖数: 467
37
来自主题: Golf版 - 有没有比较好打的刀背?
Mp57 has more mass on the lower part of head. I guess it will be more
forgiving than MP60, maybe higher trajectory.
Have owned a set of MP60 before, really like it. when you hit the sweet spot
, the feel is so soft and so pure. Plus, it's quite forgiving. feel little
regret to sell it. However, those forged iron worn out little bit fast. So I
choose durability over feel. Ping's iron feel little hash comparing to
mizuno's.JMOP.
p******u
发帖数: 101
38
This might not be a perfect choice to beginners, I heard that the trajectory
is low. But still a very good deal though.
Z****n
发帖数: 108
39
so what would be a good choice for beginner?

trajectory
i****e
发帖数: 913
40
aiming for 9-150 8-160 7-170
change your shaft, aiming for lower (bore-thru) trajectory

i
ET
发帖数: 10701
41
来自主题: Golf版 - 我新的swing video
右脚是早了些,特别是对driver, 我昨天去练习场试了一下,对topping的mishit改进
了不少 (不是完全的topping, 而是如果我Mishit的话,击在球上部的可能性,想在几
个月前我swing感觉最好时, 我的mishit也多是hit thin, 球依然是直的,就是
trajectory低)。
我不做wiggle.. 不是没个人都做wiggle, 当然也有很多人做。我一般是从球后做2下
preshot routine,然后移到球前就击出去了。
也许可以考虑做做,特别是现在正在练习hinge wrist时。
最后那个,说实话,每人能都是一个节奏,有些时候,特别是tough lie& strong wind
时,人自然都有个tendency, 更何况有时练习也很high时。 KJ Choi 牛逼之处就是在
, 我眼里,无论何时何地,都是一节奏。
不过我常提醒自己的句话是: if you want to hit a good one, hit it easy.. 这对
我在一些tough hole/tough lie 很有用处,这也是我在Roy Kizer #11 (球场上
t*****n
发帖数: 467
42
It really depends on your swing speed.
try TT Dynalite Gold SL if you want go with steel. lighter and produce high
trajectory.
or you can try rifle 5.5 or lower.
if you have money, try px 5.5 or lower, or nippon NS pro

a
ET
发帖数: 10701
43
来自主题: Golf版 - driver's setup
K. J Choi's setup could be a bit easier for you to copy.
Image your left arm is the extend of your shaft.
it can't be that your both hands are "on ur left leg", but your both hands
are still at the center of your body.
Lower right shoulder helps.
On the other hand, this is the place your club head hit ball: the club head
had travelled the lowest point of the trajectory curve, and started to go up.

face
ET
发帖数: 10701
44
来自主题: Golf版 - 上了个Burner 3 wood
r is fine for u..
one day u found ur ball go skyhigh,(don't have to be skyhigh, higher than
normal). u might want to change the shaft.
for instance, if u could launch the ball at 18 degree (it's typical for 15
degree 3 woods).
the max height of ball trajectory should be:
max of ur 3-woods distance, say, 240 yards, * 80% * tan 18 =61.44 yards.
and +/- 15% of 61.44
ET
发帖数: 10701
45
来自主题: Golf版 - 75 for today's Skin Game
Another funny thing I observed was that the black guy was really emulating
what Tiger is doing on the course.
the black guy , actually, his name is Johnson, is using the all equipment
from NIKE. His body is like Tiger's as well. Might be more fat than Tiger's
. When he stands, he is doing the same postue as what Tiger does.
This guy really ripps the ball when he hits his driver. and He is able to
control his ball trajectory beautifully. He made many putts for birdie, and
one for eagle as well.
ET
发帖数: 10701
46
it's, basically, a subconscious thing.
Most beginners tend to be eager to look at the result, they do the lateral
head movement (along the target line), even before the club face contacts
the ball.
it's a tiny movement, might be only 2-3cm, however, it dramatically changed
the contact between club face and the ball. either the club face hits the
upper part of the ball, or the club face is in the close position. the both
are mainly reason which causes low trajectory..
d*******r
发帖数: 590
47
Backspin causes golf ball to roll less.
So in general, backspin in long iron shots is good because it helps ball
stop on approach shots to greens. However, you don't want to hit the driver
with a lot of backspin, since it causes loss of distance.
That's why most teachers tell you to hit down for long irons/fairway woods,
but hit the ball on up swing for drivers.
But again, course conditions vary and different conditions demand different
kind of shots. So better players talk more about trajectory
A*f
发帖数: 3067
48
i dig out a link from an old post.
it was talking about the trajectory. i think it is inline with what you just
said.
my own experience though, that backspin help me carry the ball further,
maybe i was hitting harder to generate enough backspin.

driver
,
different
v*****r
发帖数: 2325
49
来自主题: Golf版 - 6 iron 2 shots over a pond
thanks for encouragement. check the attachment for the shot map. also first
try to add picture to articles.
the first shot splashed through tree leafs.didn't see ball flight and how it
landed. the landing zone is close to a concrete lane. might have gotten
some bounce from concrete. if that's the case, 180m is over estimate.
second shot had very high trajectory due to shot from up slope, so when it
was dropping, seemed like steep angle dropping (almost verticle).
other day, shot 4 iron several t
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